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Have you ever wanted to run a TV, stereo or other appliance while on the road or camping? Well, this inverter should solve that problem. It takes 12 VDC and steps it up to 120 VAC. The wattage depends on which tansistors you use for Q1 and Q2, as well as how "big" a transformer you use for T1. The inverter can be constructed to supply anywhere from 1 to 1000 (1 KW) watts. Important: If you have any questions or problems with the circuit, see the forum topic linked to in the Notes section. It will answer all your questions and provide links to many other (and better) inverter circuits. |
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| 12 vuélta es muy poço es fatal, todo el que dijo que funçiona es mentira | ||
| Its a good circuit for experimenting with but i would not connect it to anything of value | ||
| I built it as shown, and the inverter worked so good. Electrolithic caps. Almost 60 hz. | ||
| I want to make 230v from a12 v battery .so can u pleS give me a circute diagrom an explanation about it pleas | ||
| Hi, what is the transformer part if I wan to buy a brand new part. I check in may website but cannot find any part similar to this that will be helpful? what should I change if I need increase current flow in the power inverter? thanks hari | ||
| At what frequency does this circuit operate? Do you have any control of the frequency? How do you control the six transistors required to convert dc to three phase ac? | ||
| Not bad for a simple inverter--a least not if you don't mind a square-wave output, which is what you'll get out of this multivibrator-driven circuit. Not sure if I'd trust this to run any expensive electronics, though ... | ||
| hi,what if i wanted to modify a transformer with 230v input,how many turns in secondary & primary windings also does this circuit produce pure sine wave & if not how to make it produce it,lastly the capacitor issue are tgey correct or something cause i've read tgat otgers have their"s exploding & i dont like such situations. | ||
| The polarity of the capacitors is not fixed yet? | ||
| It took me a little while, but I got this circut so work on a SPICE program. Thanks for the schematic. It's badass! | ||
| i have made this circuit and its good. i have been updating some component to make it more good.. this is what i have to share.. If your making your own transformer for this project with the output of 230v or 240v... first you have to wind the secondary windings which is the 230v or 240v output. after you finish the first windings. take a secondary windings which is the output transistor is connected... okay this is the explaination why the 220v first. lets take first the input side of the transformer... to make the transistor will take not overload due to resistance. the transprmer will have to wind more to build additional resistance from the copper wire. due to this effeciency will take 80%-89% for the whole power has been transmitted to the other side of the transforme. | ||
| when i run the crkt the capacitors burst but my crkt is working by changing the polarity of capacitors............ :) | ||
| I found a good transformer at Radioshack for those who were looking for one. It's the 25.2V CT 2.0A Heavy-Duty Chassis-Mount Transformer with Lead item number 273-1512. http://www.radioshack.com/product/index.jsp?productId=2102703 If the link doesn't work just search the item number. | ||
| All you need to get 220 is two of them. bridge the neutral and have the two hots plugged to either side of your main breaker. | ||
| i made this connection. but it didnt working,because in my area i didnt get a tantalum capacitor, that is why, i used aluminium elecrolytic capacitor 100uf instead of 68uf tantalum capacitor | ||
| I have step down transformer 240 vac to 24 vdc in an system and i want to use the same as reverse as most of the time i don't get 240 vac current. i want to use it for charging my laptop | ||
| A 6 volt battery has 1,350 watt hours. When fed into an inverter does it still have 1,350 watt hours of 120 V AC? Thanks PS How will I know if a responce to my question happens | ||
| thanks alot for the post. is there a way i can connect a relay switch to help automate my inverter? how is the connection? can i charge my dc battry using the output from this very inverter? how do i do it aswell? | ||
| woul it be posiible to invert the 12 VDC transformer? and plug it back to the 220AC out? for the perpose of floerecent bulb lighting.? because the problem in our place is no electricity. | ||
| It seems to me that a transformer from a large battery charger would be better. | ||
| in our place did see 68 uF tantalum capacitor only 0.68uf...can you tell me what is the substitute for these capacitor and also the the HEP 154...can you tell what is the other substitute for these..pleaseeee..if you want help! | ||
| Hi all I Have a working inverter from this exact design it works well for 110-130vac, I used a MOT and rewound it as described with a centre tap. What I would like to know now is how can I increase the output voltage, I live in Australia and we have 240vac mains... I have tried everything I can think of I have wound up and down the number of turns on my MOT with only a very slight variance in voltage, I have tried to change the resistor values and that has changed nothing ... If any one has any Idea's what I should be doing could you please throw me a comment. Thanks for a great head start either way with this circuit. | ||
| iam a student of Busitema University, Uganda making a 12vdc to 120vac inverter but i have failed to get the centre tapped transformer and the tantulum capacitor. can some one help me if there are alternatives for these equipments. thanks | ||
| i have build this scheme but it doesn´t work.i have tried to reverse c1 and c2 but it will make no difference. when input is 12vdc, i wil measure on both collectorsides -12 vdc. i have connected a transformer, q1 and q2 will heating up (cables also) but there is no voltage on the secondaire side of the transformer. please help me and tell me wat i´m doing wrong. | ||
| i need a little clarification on the transformer from a microwave, 1) which one is primary and which is secondary? 2) are you saying get rid of the secondary windings all together and wind your own or wind a total of 24 more on top of the existing wings. thx for your help | ||
| is this square, modified, or pure sine wave? | ||
| i made this circkit, it works in good condition.but i don't know working principle/operation. my project prensentation is on 2nd march 2011 ,so plz anybody help me plzzzz.... | ||
| instead of a 2n3055 transistor, can i use a mosfets in the circuits? thanks | ||
| Aren't you giving less input and drawing more output from this circuit, in terms of power? | ||
| Car batteries are made for heavy discharge, but not for sustained discharge. You need AGM or deep cycle. Trojan 105 would work. They are 6V each, but a pair of them will out perform any 12v battery. | ||
| Dear Robo Builder: D1,D2 and R1,R2 are for transient protection across the secondary of T1. The output waveform would approximate a square wave. Dear Simon: The output frequency is determined by those 68uF tantalum caps and it could be adjusted by changing the value of the caps. | ||
| The first part of two transistors are use to generate a pulses.This is known as astable vibrator. Use only a center tapped transformer and keep positive as constant in middle one.The the inverting input of negative charge is applied alternatively for other two ends. When diode is connected reversely in transformer to avoid the back emf to damage the transistor like a relay. If you want to change the frequency means simply change the value of the capacitor. NOTE: Higher frequency will damage the electrical applications. If any one have a personal question mail me at senolabled@gmail.com I'm your friend please ask frankly..... | ||
| Diodes D1 and D2 will always be reverse biased due to the fact that their N-ends are sitting at the +12V which is the highest voltage in the primary circuit. This means that no current will pass through R1 and R2, and you won't get any voltage drop across them. Have you tried this circuit or is the alignment of the diodes in the schematic a typo? Also is the waveform produced a sinusoid or a square wave? Thank you | ||
| what type number of transistor we are going to use if we want a 30 A transformer? thank you. | ||
| i think C1 and C2 may be a BOOOOOM? and the 2N3055 are HISTORY. | ||
| what is the output frequency is it 50Hz or 60Hz?how to adjust it. | ||
| ive been watching and reading for ages and im still worried about trying and failing on this inverter. can anyone tell me if there is a circuit that is good and dosent overheat .been trying to find a good schematic to build one like u can buy. any links would be appreiciated. (Editor's notes: See the forum topic linked in the Notes.) |
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| i got 2 question. 1.if i use twice 2N3055 NPN Transistor for Q1 and Q2 it is work and can handle more capacity?? 2.if i going make 12vdc to 220/240vac what model of Center Tapped Transformer i need to use? | ||
| is 12v center tapped transformer can be used in this design.???..what will happen if i use it????? | ||
| pls, i would like to know if this circuit is self charging (Editor's notes: No.) |
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| Im looking to constructing a high voltage output inverter using the diagram above... Could I switch out T1 with a transformer with a turn ration of 1000 without risking any serious complications? Also, what determines the wattage that the 12VDC source must supply? | ||
| Thanks for the circuit. Can someone please tell me the quiescent power consumption of this circuit? | ||
| hello, please what can i use as a substitution for the 68uf tantalum capacitors.cos i could not get the exact value in my place here. so please is there any option. | ||
| Christopher, think Gilligan's Island and the Professor goading Ginger and MaryAnne on the bicycles. This device is called a dynamo, and it is the basis for all power plants. Yes, they pollute our air just to turn a dynamo. (a magnet rotating around coiled wire or a coiled wire rotating around a magnet. It's outrageously simple. | ||
| this circuit is a short cut, suitable for driving amplifier, and a light load like mobile chargers, cfl's, etc. for a party or picnic. i would not advise anyone to extract more than 1KVA at the most because this circuit is basically an astable multivibrator and has no: 1. frequency check, 2. overload protection, 3. battery cut, 4. battery charger and will have a rather very poor performance!! cheers. | ||
| Sir, I am not finding the transformer since the data of the the transformer are not enough to purchase. So please can you specify more information about the transformer so that it will be easier to me to purchase the transformer. | ||
| HEY I AM WANDERING IF THE TRANSISTER ARE TO ANGLE ONLY 15A AT 12V POWER SOURCE | ||
| This is a "classic" circuit that has floated all over the Internet. It is amazing that no one has made corrections. If you build it "as is", while it will show an "AC" voltage at the output of your transformer, there are numerous problems. First of all, the shown connection between the center tap and the rest of the circuit should be opened and the CT connected only to the 12 volt + lead. This will reduce idle current from about 2 amps to less than a half amp. It will also allow the proper voltage to appear at the transformer output instead of a reduced voltage (as one reader reported above). Next, all resistors should be increased in wattage ratings to at least 10 watts, preferably 20, for cooler operation. Finally, the timing capacitors should be increased in value to around 100 uF and should be BiPolar. The simplest way to acheive this is to use 2, 220 uF electrolytics in series connected at their minus ends with plus ends connected at the circuit points. One other improvement would be to add choke/cap filters to the "AC" output or, at least, a small value (.05 or so) high voltage cap across the output to reduce transient spikes and harmonics. | ||
| Ok, so I saw that the Q1 and Q2 and T1 (the transistors and Transformer) are what determine the # of watts, but would I need to make the other components such as the diodes, capacitors, etc. be larger as well or can they be any size as long as the Transformer and Transistors are good enough to handle the wattage? Pls. email me if you have an answer. Big thanks to anyone who responds. | ||
| Using this schematic what size components would i need for 30kW? If unknown, what formulae would be used to detirmine each required component specs based on known input/output voltages? | ||
| had anybody maked a 1.5kW inverter already with thiss Schematic? and if it is what kind of transistor we need and transformer capacity if necessary? thank you for your reply EDC. (Editor's notes: Won't work.) |
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| Hello there! I have a little question: I need just 10w of power, because i wanna build a small tube amp and i can't find power transformer for less than 200$. so i wanna build a small power inverter for recticifying the 230v AC to get the B+ I need. What changes i should make in the circuit? is there any other circuits i could try? thanks for any info! | ||
| Hi, I really like this website, and it has helped me in many projects i did. I faced some problems while making this circuit and some compnents has over heated. But i made some corrections and it worked. :) To see the corrections i did please click on this link. http://www.lz500.com/upfiles/Tjr59306.jpg thanks | ||
| I have 4 nos 12v 9ah sealed battery. How can I use them all to make a 220v invertor. The circuit should also charge the batter when mains are on | ||
| hai, i have seen this article n have a couple of doubts.. 1. what will be the o/p waveform.. (i think its of sq. wave nature). 2. the o/p frequency? 3.will this circuit be fine to be used with refrigerator if we design it for an o/p of 1000w.? pls do reply me... waiting for your reply, Regards, emil. | ||
| Error in circuit causing C1 and C2 heating up. Reverse the C1 and C2 will solve it . Capacitors can be used any kind of electrolytics type. Makr sure to connect the positive of C1 to Collector of Q1 and do the same for C2. | ||
| how can i reduce the frequency of this circuit with out changing the capacitance.....my circuit only show a clean sinusoidal wave when the capacitance is 0.005uF....HELP!!!! | ||
| i want to make a 3kw inverter so can u place the schematic and i also have a doubt is chainging transformers can solve the problem of increasing wattagw or remaning elements has to be changed? | ||
| well, i think that is a good circuit, considering how it's work...but what about the frequency of the output signal, is it properly to use for daily activity? | ||
| If you wanted to output more juice could't one use mosfets instead of using bjt's? Its easy to find 100 amps or more for a fet but not so easy for a bjt | ||
| hi there is it ok to change the tranformer into 220v rather than 120v? coz we use 220v here in philippines..please reply thanks . | ||
| if you cant build one to bad.i build one in 2 hr frome old tv and microwave anonymous the schematic is good you r a asshole iq 0.5 | ||
| If a person would add a pot and ne555 timer could you change the frequency of the inverter | ||
| hello... it is very good schematic i think.... i'm making this inverter thses days but i don't know why my inverter don't work.... is there anyone who have specific information and teach me?? i want to make this inverter... | ||
| Hi, I'm trying to make something like a portable soldering iron and was wondering if it were possible to make an inverter that can run off of a battery pack or small lead acid battery. This would only require about 10 to 15 watts due to its size. For me this is just something to do, a project of sorts, although I don't have any experience building circuits. Everyone has to start somewhere right? thanks | ||
| Hi,
I really like your website. I find looking at the circuits is a bit spoilt by all the pointless comments at the bottom though. (like this one.)
I know most of them are probably from school kids, but really they should still be able to read around the subject, do a bit of research, read your own comments as to the limitations of the circuits, and post appropriately.
Particularly amusing are all the ones that think you're sitting waiting there to instantly design something for them and magic it back to them, or who want you to explain things to them from scratch.
If it were me I'd get rid of most of the comments and, if you want to entertain the kids, enhance the explanations.
Keep it up.
Rich.
(Editor's notes: You would be *amazed* at the ones I don't approve. And just think, I used to get thousands of emails like this per *day*.) |
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| i noly have 68 uf, 50V Tantalum Cap does i matter??? | ||
| can i just buy something to convert the power for me? (Editor's notes: At any electronics/auto/home store.) |
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| Is is impossible to make this handle a wattage of 3KW to 5KW, I will need that much cause it is contacted to my windmill. And is it possible to make it turn of when the wind doesn't blow. Thank Christoffer | ||
| I don't understand exactly how this circuit works, could anyone explain. It looks like the two transistors turn on and off, and capacitors C1 and C2 charge and discharge and influence the forward bias on the emitter/base PN junction, but what is the purpose of resistors R1,R2 and Diodes D1,D2? | ||
| hello! pls can you tell me a substitute for the tantalum capacitors? thanks in advance | ||
| hey, is the back emf on this circuit being shunted by r1 and r2? | ||
| FIXES FOR THIS CIRCUIT::::: Yes this circuit works fine but ther are some problems The HEP 154 Silicon Diode; since no one cannot find this component, a good replacement would be 1N4001 Silicon Rectifier Diode And... the 68 uf, 25 V Tantalum Cap is the correct rating, But in this circuit it shows them backwards. so you would need to switch them around. Also.. for the 2N3055 NPN Transistor if you dont know What is E, B, C, look up its Data sheet ( Collector is the case)( im using 2N3055G, its not different but its cheap and easy to find) | ||
| wow! I spent 100's of dollars blowing up the latest,biggest mosfets,switching them with a 555 running at 60 hz.I was trying for a sine wave.That was long ago.Today I'm trying to find regulator circuits to control a generator or alternator for battery charging.I didn't know when you un hook the battery while running the regulator fries.the new one costs too much and has the same fault.there must be a circuit that would stand the abuse.my knowledge stops with tube amps and radio. | ||
| guys if you have soo much trouble to get this circuit working then try this http://english.cxem.net/power/power92.php IT WORKS!!!! and its just 2 transistors 4 resistors 1 tranformer and 1 cap simple as that....... | ||
| DO YOUR MATH KIDS ALWAYS CHECK FOR POWER LOSS A 2100 LBS VEHICLE IS TO MUCH TO HOLD A 150 LBS INDIVIDUAL ALONE NOT LESS TO SAY A?????? CHECK YOUR TYPE OF MATERIAL FIRST IGBT'S IS THE FUTURE | ||
| I am still learning and expirimenting with these Components but i can guess that if you and reading voltages over 120, that might be because high current. also did you build it and tested its voltage or did you use Multisim? | ||
| what are R1 and R2 for? is it to rid back emf? if so how did you calculate the ohmsize for them? | ||
| the capasitor connected over base of q2 and collecter of q2 has blown .what did i do wrong .the cap i use is 68yf/16v. can a step down transformer 220vac to 15vac o 15vac in reverse be use in this circuit. | ||
| Hello All Ive Just Built One Of These Inverters And It DOES WORK!!! It Took Some Setting Up with A Oscilloscope and it consumes less than100ma off the 12v supply with jus a multimeter on 120 output. A great little circuit if set up correctly well done to the author | ||
| HELLO ALL A SIMPLE CIRCUIT IN THEORY, BUT IF BUILT IT WILL SURELY HAVE DISSAPOINTING RESULTS. IVE NEVER ACTUALLY BUILT THIS BUT ID PROBABLY USE THIS CIRCUIT TO DRIVE A PAIR OF MOSFETS AND SCRAP THE 2N3055S........AN I CERTAINLY WOULD NOT NOT BE POWERING EXPENSIVE APPLIANCES WITH IT | ||
| procure 4 pcs 240VDC 2200 uF electrolytic capacitors and make a couple of series pairs intended for each base and collectors of C1 and C2. | ||
| I have simulated the circuit on Tina and it does work. It works well enough for me.
However, is there someone who could tell me why the capacitors don´t charge and discharge at the same time? The circuit is perfectly symmetrical!
I don´t understand why the circuit does work and need to explain it for homework.
Thanks in advance.
jamesgonz (Editor's notes: In the real world, not all parts are identical.) |
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| Tantalum capacitor? | ||
| This power inverter was the most worthless thing that I have ever built. Whoever made the schematics on this had NO idea what they were doing. Many things over heated, such as the transistors. The hertz were too high to power anything. So i ended up making my own power inverter that WORKs unlike this worthless piece. Make sure next time before you post something on the internet that it honestly works. Thanks a lot ja (Editor's notes: Well, you could have avoided all the headaches by reading the warnings at the top of the page and in the notes saying that this circuit doesn't work very well. There are links on this page to a forum topic which covers inverters in great detail and has working schematics as well as corrections to this one.) |
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| What's up dude..i really want to build an inverter but the schematic on this site is about 12V DC to 120V AC...can you please send me a schematic diagram together with the descriptions of the parts and notes about 6V DC to 220V AC..I will be very thankful and happy if you send me that diagram to my email..I'll be waiting for that dude.. thank you very much! | ||
| Guys, seriously... Don't keep posting here with simple questions. Just search your local library for books on electronic circuits. It has worked for me for years. P.S. Stop getting frustrated and swearing. Electronics is just a bunch of simple concepts connected in different ways (not hard to understand), seeing as I am only a 14 year old kid. Keep up diligent work and you will figure stuff out (guaranteed). | ||
| R1 and R2 heats easily. Based on the circuit, when d1 or d2 conducts the voltage across R1 or R2 is about 11.3 volts which is beyond its maximum voltage based on the formula P=(V*V) / R. When P=5 watts, R=10 ohms, the maximum calculated voltage across R1 or R2 is 7.07 volts. I think this is the reason why R1 and R2 heats easily. | ||
| Pls brief me how to obtain output AC voltage of 230VAC by changing Q1, Q2 and T1 or related components best regards Priyalal | ||
| the said inverter circuit doesn't wok.. but am still not sure if there's something wrong with the transformer we use...is there really no substitutions for the tantalum capacitors? | ||
| this inverter may be built on a demo board for showing off push-pull oscillators, but nothing more, if you want to run else than light bulbs. it has no stabilization, no protection, no output filter ans it's stability of amplitude and frequency is heavily relevant on the load. have fun with is, i have built several of these and experimented much, but it's a learning aid, not a workhorse. and generally the trafo exit for an inverter is a joke. get 12V/24V, step them up to 310 with DC/DC and then use a full IGBT/MOSFET bridge and a good filter. Monitor the voltage and use PWM sinusoidal modulation and you'll get A GOOD INVERTER! hahaha, sorry for the lashoff... | ||
| I tried to make this circuit in multisim and did not work... | ||
| Hello Goodday i appreciate your schematic using 2N3055 Transistors to design 12DC-120VAC Inverter but i have a request, is there any possibity of you sending schematic using IRF 748 transistors to still design and inverter of 24DC-220VAC please to my E-mail akanjo80@yahoo.com Thanks | ||
| What are the other substitute models for Q1 and Q2 for generating 1KV inverter? | ||
| hello 2N3055 can not take 15 A continuously At max it is suited for 1 Amp after that it will start drifting, | ||
| THE AC OUTPUT IS HIGH IN THE RANGE OF 275 TO 290 V.WHAT IS THE REASON? WHAT ADJUSTMENT IS REQUIRED TO BE MADE? PLEASE ENLIGHEN ME. | ||
| C1, C2 2 68 uf, 25 V Tantalum Capacitor intead 47uf 250v | ||
| want a simple sinewave inveter able to support a TV set, Radio and 10 lights. For my village house so as to save my grand mother form darkness. Thank you...... | ||
| good keep it uppppppppp/////////////// | ||
| this fuck!!! who made this inverter no brain!! i spend more money but nothing you guys fuck you!!!!! | ||
| will this inverter have enough power to support the opening and closing of two garage doors and two 60 w light bulbs? | ||
| what other capacitor can i use in place of 68 uf, 25 V Tantalum Capacitor | ||
| This is good website for free circuits | ||
| Increasing voltage drops current, is it so with this circuit? How can i avoid this? | ||
| Since this is a very simple circuit, using no voltage regulator and Normal bipolar power transistor, the efficiency is rather low, output voltage will drop significantly with the load, and also the frequency stability are no questions. Don't ask about the reliability. Much better when we use Astabile multivibrator | ||
| I've virtually tested this circuit by Electronic Work Bench 5.1 and all it gave a single line of current on virtual osciloscope! | ||
| well i try your schematic .for that inverter .it does not work for me .try building it three times it does not work .dont know why would like some help .to get it to work . thank you | ||
| For diode 1&2 can we find replacement for it? | ||
| when i was in high school i have a simple circuit that was called emergency power failure its almost similar to the function of this inverter that emergency power failure use only magnetic wire but i dont remember it its AWG # use only 1 capacitor and 1 resistor, if u have a schematic diagram of emergency power failure please e-mail it to me if u can design it,thanks | ||
| what i have noticed is that the information for this inverter is not up to date. what i mean is that even if people complain to death about certain thing in the inverter, no solutions or adjustments would still be made in addition of substraction on the inverter. the author does not say a thing. no response to comments. nothing, even forum users dont provide any response to questions. everyone is asking and no one is answerring. this forum is not well organised. its as good as dead. check out other lively forums and see whats going on. if you wnat to help, pls help. thanks. (Editor's notes: All you need to do is follow the link to the very helpful forum topic in the notes. Very simple. ) |
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| I have two new 36 volt industrial forklift batteries and would like to convert them to 24 volt to use with my stand alone 24 volt system. They are 2 volt batteries, 3 rows of 6 in each case. Do you know or could tell me where I could find out how to do this. Not having much luck with this.. Thank you for your time. Steve | ||
| Is there any alternative to microwave transformer? pls.if there's let me know. | ||
| A flip-flop circuit, i think this circuit produces unstable frequency especially when using electrolytic capacitors. Does the components used here produces 60hz? | ||
| Since this is a very simple circuit, using no voltage regulator and Normal bipolar power transistor, the efficiency is rather low, output voltage will drop significantly with the load, and also the frequency stability are no questions. Don't ask about the reliability. Much better when we use Astabile multivibrator IC like 4047, and Hexfet for the power switch I use 2pcs of IRF 3205 each leg. With much better performance | ||
| I have understood your project and also your diagram .I easy to understand it and learn more about circuits and electronics which is also my hobby .I have developed several Inverters using other diagrams .And they have functioned so wheal and prefect. I hope i you would more information and also learn more about electronics and its circuit . That is all i have to comment. yours Joseph Chiteri. | ||
| hi i have a problem with how to hook up the transistor, and to get them to pulse so i have ac .could you tell me how to hook them up .the wire.and a pic .i get 12v dc but no ac .thank. SENT me a answer . | ||
| may i want to ask the author, is it a square wave AC output? because it is deficult to run espiacially to any video and audio devices in an square wave AC output, motor boating sound will always prevail. | ||
| WELL THANKS FOR THIS WONDERFULL CIRCUIT DIAGRAM, IT VERY INTERESTING. MY QUESTION IS THAT, FOR AMPLIFICATIONS OF MORE AC VOLTAGE , FOR INSTANCE 12VDC TO 230/240, DOES THAT NOW, DEPENDS ON THE AMPLIFICATIONS OF THE TRANSISTORS, AND THE TRANSFORMER. SINCERELY, OWENS | ||
| i constructed a inverter 12v 120v but my problem is the inerter i construct can't run a small tv and please help me tantalum capacitors 68uf 25v can i use other capacitors? | ||
| why is it that my tantalum capacitor always blows up. i've checked the polarities and its good,sowhy does it keeps blowing up. | ||
| I used to have this gadget made to stun fish way back in 1979 before going abroad to work in Africa. I found some parts missing when I came back home. I'm glad to find the schematic here and am going to have it working again. Thanks! | ||
| I a student in the western Africa who is to write a project on electrical inverter.i choose to write you becos ihave tried all my best possible to complie some information but my effort seem abortive,so i want you people to please assist me in geting some facts on how to write my project,and also give some hint on how to start with and also a case study. i still remain Bamidele Ebunuwele (An Electrical and Electrical Engineer in Rufus Giwa Poly Nig | ||
| Khairi, you can substiture the HEP154 silicon diode with 1N4004(s) depending on the current you are trying to produce | ||
| This inverter will reduce the transistors lifetime since reverse Vb-e will be much higher than allowed maximum when driven with 12V. | ||
| There is a place in Canada that carries the 68uF Tantalum capacitor. The place is Sayal Electronics website ships them. www.sayal.com | ||
| I would like to know exactly how the switching works. There must be a time when Q1 is off and Q2 is on and vise versa but you a certain time when both Q1 and Q2 is off. Can you please how that works. | ||
| Everybody Listen! I have 68uf tantilium capacitor & i can arrage it for you if u need. | ||
| I constructed a 12Vdc to 220Vac inverter,i inverted the dc 12V to ac 12V but my problem is when i connect a transformer i got only a 75V ac.. could you please help me to solve this problem? | ||
| I once bought an inverter on the internet. After a few days, it stopped working. I checked the output..behold, the Neutral and Live on the socket were both LIVE! what could possibly have gone wrong? Regards, Ax | ||
| If you guys want to test your own substitutions then I recommend you download NI Circuit Design Suite and Multisim. I put this circuit together with this program and set the parameters for the type of xformer and am get a fluctuating value of around 148 to around 158 v. | ||
| Dear sir, I m fail to arrange 68uf Tantulam capacitor, please let me know the susbtitute of this. Thanking you | ||
| You MUST get the POLARITY CORRECT or they will blow up! | ||
| hi.. can you give a clearer name for "HEP 154 Silicon Diode" so i could buy it.. i just told the store that name his answer was there no diode like that.. i hope that you give me a clearer name soon.....for instance 1n4005 | ||
| couldnt you substitute the capacitors for variable capacitors to achieve pulse width modulation? | ||
| how can u calculate amps per turn in a transformer. secondly,the calculation of amps to watts | ||
| I constructed a 12Vdc to 220Vac inverter,i inverted the dc 12V to ac 12V but my problem is when i connect a transformer i got only a 75V ac.. could you please help me to solve this problem? | ||
| what type of capacitor should i use to replcace the tantalum capacitor, since i cannot find exactly 68uf 25v in the market. | ||
| Can i substitute 68 microfarad 25volts with 0.22jouls 68? | ||
| didn't find the value of these capacitors.. in the markets the highest value was 10 micro Farad Tantalum so what can I do .. What the equivelant value that I should replace? | ||
| thanks for this enthusiastic generosity, question i tried your circuit an it is okay but there are some device that can not withstand for along time because of square wave frequency. can u modify the circuit to have a sine wave output...i am not related to engineering just love to explore this.... | ||
| hi.. can you give a clearer name for "HEP 154 Silicon Diode" so i could buy it.. i just told the store that name his answer was there no diode like that.. i hope that you give me a clearer name soon.....for instance 1n4005 | ||
| I built this and it immediately exploded the tantalum caps. They were the exact value and voltage rating as those listed. | ||
| Is it possible to use a normal ac - dc transformer to power the inverter instead of a battery?? | ||
| Instead of Transistors can we use FET..like(IRFZ44E) or so...which is more efficient Transistor or FET? | ||
| substitute for HEP154 IS NTE116 | ||
| how can u calculate amps per turn in a transformer. secondly,the calculation of amps to watts | ||
| Thanks for the gem. But, can anyone tell me the substitution for the HEP154 diodes? | ||
| hi all. say for this cct, if i want a variable AC output (ie Vrms=0~230V), can i do that by varying the DC voltage(0~12V)? And what the frequency this AC voltage is? how to change this frequency? How to run this cct in PSpice by the way. Thanks a lot. | ||
| the 68uf,25v tantalum capacitors seem to be very difficult to find , what are best substitutes for the inverters to perform at the same level and HEP 154 SILICON DIODE | ||
| what about the frequency ? and wave ? is its sin wave out put ? or sqr wave ? can we run the fan and t.v ? | ||
| hello editor, thanks i learned new important things in electronics and it is not impossible to convert easily a small amount of voltage to a large one..thanks again.. | ||
| ok i am having some problems figuring out the 2N3055 NPN Transistor found them ok at radio shack but they only have two pins can someone give me a pinout so i can tell what is the base or emmiter etc... | ||
| i have a solar panel of 12vdc and i want to connect it to 12vdc to 120vac inverter please who will the circult diagram will be or can you design a diagram for me | ||
| I built this years ago as one of my first projects. To be honest with the price of inverters now it will be cheaper to buy one. There will also be the added bonus of full peak voltage as comercial units work differently (and the instruction manuals they print have an error usually in them that explains this, mass manufacturing with different stickers = lots of brands with mistake) | ||
| how long would you say this invertion would last if the battery wasn't charged? (if say i was running a 600watt laod) in hours... | ||
| Infact, this extaly what im i've been looking for, im really happy, thanks | ||
| what is that equation you used for 12V to 120V Inverter? and I want make my circuit's as inverter , but I need to learn how I calculating output of frequency in inverter ? pleas help me | ||
| hillow, i would like to ask you about the HEP 154 diode, can this diode have subtitution? and this inverter have built in charger? thank you. | ||
| hi editor, thanks for the circuit i dont think most of the ppl understand the things so clearly so too many questioning the same p=v*i thing. anyway great job. and can you tell which other tansistors could be used for heigher power needs ? would be thankfull if u could help | ||
| We use 220v in SA Do i use the same ammount of turns on the transformer | ||
| the circuit i tried but it is not working pls tell the sujesst i am not having hep154 diode | ||
| Where can i get a 24v 15a center tapped transformer from. | ||
| If you want 1200W on 120V you have 10A (120V x 10A = 1200W). In 240V you wil have 5A (240V x 5A = 1200W). On the 12V side you wiill have the save 1200W then you will have 100A always. assuming 100% efficient. P=V x I | ||
| The 68uf 25V Tantalum capacitors seem to be very dificulty to find. What are the best substitutes for the inverter to perform at the same level? | ||
| hi there, im a small farm owner and im wanting to set up a windmill etc. to power my home, ant help would be great | ||
| what about controling the Frequency ? | ||
| Hi there Editor,You have a major error in Editors Note. WATTS= AMPS X VOLTS IS CORRECT FOR DC. 100 W at 12 Volts would be 100W / 12V = 8.33 Aps assuming no losses. (Editor's notes: See previous reply. Just a mistype on my part.) |
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| sir,pls how can one modify this circuit to achive a particular design need.thanks (Editor's notes: By modifying it.) |
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| I don't know whe "EDITOR:" is, but to say that it takes 100 Amps at 12 Volts on the input of a 120 Volt AC inverter to produce 100 Watts of output is absurd at best. To say such a thing not only violates Ohm's law, and Kirkoff's law, but the fundamental laws of thermodynamics as well! An input of 12 V at 100 A is 1,200 Watts! And, did you ever see a 100 Amp fuse in your car?
If that were true, the inverter would be 0.083 % efficient. In reality most inverters are 80% efficient or better. So, Mr Editor, I'd say check your math...
--del
(Editor's notes: 100A at 12V is always 1200W. 10A at 120V is always 1200W. To make 10A at 120V from 12V requires 100A, assuming perfect efficiency. To make 10A at 240V from 12V requires 200A, assuming perfect efficiency. 10A at 240V is 2400W. 10A at 120V is 1200W. Therefore if you want 10A at 240V you need put in twice the current then you would have at 120V. I don't remember what my previous comments were, but I may have mixed up Watts, Amps and Volts when writing it. I type these very quickly as I approve hundreds of comments per day. ) |
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| Sir, we are going to do a project that need us to convert from 10V DC to 240V AC. Is it possible to use your 12VDC to 120VAC inverter? If yes, what adjustment should we do? | ||
| "But it takes twice the current at 12V to produce 240V as it does 120V." This is wrong. At 240V, the power is the same; voltage is double but current is half. P = V x I (Editor's notes: To produce 100W at 120V from 12V takes 100A. To produce 100W at 240V (twice the power) from 12V takes 200A. This ignores the fact that nothing is 100% efficient.) |
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| Sir can you help me with an inverter that uses 12V that can supply a 8-10 40w flourescent lamp. Because were using a solar panel for our dc supply.. | ||
| WE ARE CONVERTING A SINGLE PHASE TO THREE PHASE CONVERTER SO WE NEED A SCHEMATIC BUT WE ONLY HAVE 18VDC IS IT POSSIBLE TO USE YOUR 12VDC TO 120VAC, IF YES WHAT ADJUSTMENTS SHOULD WE DO. | ||
| How could this circuit be modified to convert 24VDA to 120VAC? | ||
| sir, I need a circuit daigram on inverter that can power 48vDC to 220v AC 5000watts inverter | ||
| sir this is very useful for all | ||
| Sir i found your circuit on the net. i tried to canvass parts then i found out that the 68uf tantalum 25v capacitors and the HEP 154 Diode are not available. is there any replacement for thise parts? Please help me! God bless and more power | ||
| ok! still, uses old school components (huge transformer) | ||
| hai we need 12vdc to 120 vac with out transformer, please suggest us. madhu jeyem | ||
| Everybody who need substitute electronic components can go to: www.nte.com and free download Cross Reference Catalog, then ask in your local electronic store for NTE parts. In this Catalog you can find: semiconductors, capacitors, resistors, relays and more. | ||
| this experiment is simple so nice and can easyle understand | ||
| try to do this, remove all component except t1 dan q1,2, base q1 conect colector q2 and base q2 conect colector q1 with small motorcyle sign lamp, (o) t1 direct to 12 vdc and done | ||
| What is HEP 154 Silicon Diode? Is there any replacement of this component?
(Editor's notes: Read the notes.) |
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| Good day sir,i got your inverter circuit diagram of 12v to 120v on the net. i try to practicalise it but am unable to get 68uf,25v tantalum capacitor in my environment.please sir help with a substitution for the 68uf,25v tantalum capacitor because of its inavaliability in my environment.
thanks sir
ayo obans (Editor's notes: Read the notes.) |
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| I THINK YOUR INVERTER CIRCUIT AS ERROR IN THE FEEDBACK CAPACITORS C1 AND C2 THERE POLARITY IS SHOWN INCORRECTLY SO THEY NEED REVESING. | ||
| what is tantalum capacitor? and what order capacitor can i use to replay tantalum capacitor because i can't get capacitor | ||
| Dear Sir, I have gone thro' the project very carefully.What is the frequency?How can I connect 21w CFls,and how many assuming I use a 10A ,230V to 24 volt transformer? Alternatively, how many 20W Fl.tubes can be connected? Are these to be connected in series? | ||
| is there substitute for diode hep154 | ||
| hey dude seriously, i really nned to make a tranformer so i can operate it with a (9V or 12V battery, and i've been looking in google, and i just cant find it, and i dont understand ur design, so i relly wish you can call me and explaing this to me at 1718-993-6829 and if im not home u can leave me a call back numer or a message, but i really need to make this, time is running out and im doing a project that involves a power tranformer, so help me please! | ||
| what is the tantalum capacitor? | ||
| how do i get a circuit diagram of a larger inverter? | ||
| what value of capacitor can be used in place of the tantalum since there is none on the market | ||
| hello fellow engineers.My is not actually a comment, but a kind of request.I have learnt alote from the idea given by the 12v-120v(dc-ac) inverter given in this site though i have improved a little on it.But i have a litle proble i do encounter with components types,substitutes and even datas generally on components.I dont know if you can send me this components-data sheets via my box.this is my e-mail:harrymondo@yahoo.com.I will be very greatful if this request will be granted. Thanks. | ||
| what is cost of the (12VDC To 120VAC Inverter ) project what is advantages and disadvantages? | ||
| how do i know or rather calculate the watts of a transistor so that i can get a large load transistor like 700 -1200 watts | ||
| sir i.m interested with your work but,how effecient it is? can we produce an 120ac output out of 9vdc? | ||
| sir i want to know what are the other subtitute to the 68microfarad tatalum capacitor because the 68microfarad is not available and can i parallel the transisitor??? | ||
| can i get the circuit diagram for 12v -220v ac inverter? | ||
| Please , im very interisted with the project..but may i ask if is there any replacement for diode D1 and D2, and i want high power inverter up to 600 watts..I hope you reply soon.. thanks.. How many hours will this project run without interruption? | ||
| i will like to have the diagram of a lowest inverter being made and also some diagrams of some inverter,equally the materials needed for the construction. | ||
| what is the basic working princeple of an inverter circuit | ||
| I didn't find the value of these capacitors.. in the markets the highest value was 10 micro Farad Tantalum so what can I do .. What the equivelant value that I should replace ??? | ||
| Exactly the same way was my circuit that I used 36 years ago to substitute mechanical chopper/vibrator cartriges when they became obsolete, to power tube-type car radios. There was absoltuely no radio interference caused by this multivibrator circuit, despite of it's square-wave oszillation. This was a good money maker way back when. To get higher wattage output, one could also use a welding transformer and parallel several transistors. | ||
| How many hours will this project run without interruption? | ||
| Hello,you've really done a good job in this project How can i modify this circuit to use mosfet transistor as driver, then provide feedback for stability. please send the comprehensive circuit diagrams to my mail.in case i didnot get the 68uf, 25v tantalum, what component can i used Thanks. | ||
| sir , im very interisted with the project..but may i ask if is there any replacement for diode D1 and D2, and i want high power inverter up to 600 watts..I hope you reply soon.. thanks.. | ||
| Can I get the diagrams for winding diagrams of transformer and proper explanation of center tap transformer, and tell me what to do for 1000 W inverter, and please if you can send me the total working step wise going on in the above circuit of inverter.You are doing a great job as you send this to public for good knowledge.... | ||
| Please, i need a schematic circuit diagram of 12VDC to 220VAC Inverter. I will be thankful if i can get it through my e-mail or any better link will be appreciated. (Editor's notes: Read the notes.) |
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| hi,, I m interested about this project but i got problem becouse our country using 240AC. So how to convert Q1 & Q2 to ohters part i mean for 240V ac | ||
| How can i modify this circuit to use mosfet transistor as driver, then provide feedback for stability. please send the comprehensive circuit diagrams to my mail. Thanks. I also need your help in how to calculate power for a rewinding inverter transformer. Expecting your reply soon. | ||
| sir,i want you to help me send the transformer winding diagram and the ratio of the turns primary and secondary and also how to build the three phase dc ac inverter,i'll be looking forward to your answer.thanks | ||
| you did a very good job on this and its very helpful i was wondering if you can send the schematic of conversion from 24v dc to 230v ac this is a system to be used in Nigeria. (Editor's notes: See the notes.) |
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| in case i didnot get the 68uf, 25v tantalum, what component can i used | ||
| will this design work with higher input DC voltages? | ||
| If I used a 1 to 1 isolation transformer, say 240 volts, center tapped at 120 volts, would the transistors listed above work? I can obtain these transformers easily from work for free. I know the input DC will be higher voltage, but the efficiency should also be better. | ||
| hello,you've really done a good job in this project,,,can you give me a schematic diagram or circuits in this project?thank you | ||
| Where can i get a big enough transformer that is 10.000watt? I have been writing to several company and getting know answer. Thank you!! | ||
| I'm not clear about design of X- Formar, if u help me design of X- Formar I'll grate full to you. One things more if I change value of C1, C2 & Q1, Q2 may I face any majors problem? Please give your sudation. | ||
| I want circuit diagram using mosfet,and that can last for about 12hrs when 15A is drawn from the battery | ||
| thanks a lot.You peole are doing a great job | ||
| how can i build an inverter that can serve at least my house hold appliances and for ligthing my bulbs.pls can you send me a circuit diagram that can put me through.i am an electrical engineering student in nigeria. | ||
| hi, is it possible that i can regulate the output of this inverter? what i men is, can i obtained a regulted output from 1ACV-120ACV? if it is possible, can you give me advice on how to do it? you can also send me the diagram on how to regulate it. thanks, i do really appreciate if you help me. thaks again... | ||
| Can anyone help me? Ive been reading about this different inverters. I found out the indiglo guage lights uses inverters as power source in order to work. Can someone help me make a replacement inverter or give a diagram on how to make one so that i can replace my busted inverter. thanks a lot. been searching for this for a long time. | ||
| I need someone to explain how to tie the wiring from a wind generator or a solar system into the power grid. From the Wind generator to the batteries then the monitors and into the inverter to a distrubution panel. I need to know how to tie into the grid from here. Including how to make sure I have the phasing right. Please Help Me!!!! Thank You Teddy | ||
| I want a useful and working schematic, and, if you please give me a detalied explenation of everything because i am a total desaster in electronic: how can i do it? help me please. Thanks (Editor's notes: See the forum topic linked in the notes.) |
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| hello, you've really done a good job. pls i want to ask if you can get me the circuit diagram and explanation of a 12v dc to 220v ac inverter.
thanks and waiting to hear from you soonest (Editor's notes: Read the notes.) |
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| HI I HAD MADE THAT CIRCUIT BUT IT WAS`NT GIVING ONLY 2 VOLTAGE ! NO VOLTAGE I HAD RECEIVED SO I THOUGHT THAT IT IS A PROBLEM OF WRONG COMPONENTS SO PLEASE SEND ME THE COMPLETE COMPONENT INFORMATION OF THIS CIRCUIT DIAGRAM WITH COLOR CODES OF RESISTANCE AND CapacitorS THANKS (Editor's notes: Read the forum topic linked in the notes.) |
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| how about 5 24 V bat's in series hooked into the inverter, could you then by pass the transformer? | ||
| how many number of turn in primary and secondary. what size of wire to be use. | ||
| works grate, in place to the tantalum capacitors i have used two 10uf 220 volts capacitors which are used in simple washing machines. so far it works fine. | ||
| i want to purchase one but i dont know which one is good enough to supply the power i needed to my house. | ||
| can you please help me with circuit diagram with components list for a sinewave 3-5kVA inverter | ||
| I want to be able to take a 12 volt car battery and convert it into 120 volts to run a space heater and have a generator to keep the battery charged. The generator I want to plug in to the 120 volt output to keep the battery charged at all times. Any suggestions? | ||
| HI ,I LIKE TO BUILD A CONVERTER TO GIVE ME LIKE 2000V ,CAN YOU HELP WITH INF AND SHEMATIC PLEASE AND WHAT I NEED PLEASE . THANKS | ||
| really ballistic! planning on it to be my project, but is there any specification for the fuse at the output or one can use one among the common ones? | ||
| I have question from the circuit, what about with output Grounding, if there is output grounding can I jointed with exist grounding power electricity, best regards alferi | ||
| hi, i just bought a dc-ac inverter (12VDC-> 240VAC / 120VAC) that can handle up to 120W. Just wondering if any knows how can i increase it power output capability, say to 300W? Any advice appreciated. thanks | ||
| any rplacement of tantalum capaciter?thanks | ||
| i want to make an inverter of about 200watt with minimam power loss.how can i make this.plz send immedately.
thanks. (Editor's notes: Read the forum topic in the notes.) |
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| this site is cool. i really love to visit this site. u guys really help me out man. thanx duds | ||
| thank 4 the good job u guys are doing on inverter.pls i need more tips on how i can become an inverter guru! | ||
| If I want to make 12VDC to 230VAC, what is its output power?If to get 500W or 1000W,What can be done?Which type of transformer i may use?Is it suitable instead of ISP? | ||
| your option is ok but i'll be needing something more serious.i mean a 1.5kva - 3kva.pls help me out cou the circuit a'm building presently is not working fine for me . | ||
| Can it shock someone without burning or killing them. | ||
| capacitors are explode | ||
| Dear Sir,
I am being from india , would like to know what changes to be made in circuit in order to give it out put of 230 VAC which is power required here.
Thanx,
D.B.Mane. (Editor's notes: Read the bloody notes.) |
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| can you please send some schemes and all the characteristics of this inverters | ||
| is there any substitute 4 the silicon diode HEP 154.pls. send me an email I'm gonna used it 4 our project this end of the month lots of thanks | ||
| hello..plez design me a circuit to increase dc volt from 12v to 130v dc...plez send to my email.. | ||
| what will be the equivalent transformer and completly component to be used when increasing the output power to 500 and 1000 watt. | ||
| Thanks for the information concerning T1 using a microwave oven transformer.
Why can't we print the text ?
Richard (Editor's notes: No idea why the text won't print for you.) |
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| What will i do on the circuit of this inverter if i need the output of sine wave not square wave. Can you give some details what will be the modification on the circuit. | ||
| sir, this tantalum capacitor is nowhere to be found. is there any other substitute for that?what is the actual equivalent of HEP 154 silicon diode and where can i get this component? | ||
| Which type of transformer i must used . | ||
| i have a project and i want to make an inverter. I am a 19 year old boy about to get into the university and i would want you to send me a mail showing me how this can be done. I would really appreciate this. Thanks. | ||
| i want to construct a 12vDC to 120vDC inverter as a school project, please could u assist me from the scratch, with detailed information.i will be greatfull if my request is granted.thank you. | ||
| sir, this tantalum capacitor is nowhere to be found. is there any other substitute for that?. thanks. (Editor's notes: No. Read the notes.) |
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| sir ,what will be the equivalent transformer to be used when increasing the output power to 500 and 1000 watt. | ||
| it looks just like http://www.i4at.org/lib2/inverter.htm | ||
| Hello. Hoping you will be fine i want to design inverter 12 VDC To 220 VAC it can be used for home appliance or not please guide me. | ||
| - Any transformers can be used as long as it's have Primary and Secondary spool, the output power (AC volt) depend on the transformers type, mean that using big ampere transformer on Secondary ( ussually to DC output between 6-48 volt ) u can get the big output to supply any AC (110/220) instruments. - Try to find unused electronics instruments, many of that type are found on old mainboard of computers. - U can used the same transistor type, I used ST products 2N3055 by paralized it for 4 pcs ( I dont mean to make Darlington mode ), and using above 10Amps transformer ( Secondary ) output. - ( ... ). - To protect the polarity of battery connector ( + and - ) u can add 4 high current diode ( paralized 5 diode ), I have try it, it's good even I make some charger built in with relay auto switcs. - Any currents transformers can be used, and you got the power as ur transformer can do.. | ||
| Can I use transformer 12-120 (1A)? | ||
| Tantulum capacitors are difficulty to find. What other substitue can you use in the circuit to achieve same operation of the circuit? | ||
| What type of transistors do you recommend should I wish to increase output to +-1500KW. and what rating transformer.
Thanks
John (Editor's notes: Not going to happen.) |
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| quit good & easy | ||
| can u show a circuit please 12 Dc input and 0-30v Ac output i would like to build a switch mode power supply thanks. | ||
| PLEASE HOW CAN I INCREASE THE WATTAGE OF THE CIRCUIT. | ||
| Sir, what did u mean " to double the current for the 12 volt to get 220 voltsAC? it does'nt mean to increse the rating of the transformer for 30 AMPS instead 15 amps for also the max rating of the transistor? | ||
| MayI I inquire how best to protect inverter input side.I discovered that any wrong connection of the inverter battery terminals results to instant failure of my transistors. | ||
| I have a 230v/12v shredder adapter and want to make a underseat sound system for my scooter (laugh all you want) and was wondering if i could just reverse the wiring on that to give 230v from 12v. However it is really small and I feel it will not cope any thoughts could you let me know nice one. | ||
| sir can a 2 watt transformer be used?i need answers pls.....thanks | ||
| dear friend...I want to build the inverter but for 220 volts...so when you say that it requer the bouble of current than 12 volts...you are talking the about 24 vols batery? ...or the current in "amperes".???..please answere my question...thank you very much man...nice project!!! | ||
| i can't find a tantalum capacitor, what is the other capacitor can i use? (Editor's notes: Read the notes.) |
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| Is it possible to use the power inverter for a long period of time or continues working if there will be a charger which will continue charging to the battery and maintain battery full charge condition. | ||
| I come from the remote parts of Papua New Guine and I'm very glad to find this forum and I want to know more about Diagrames and materials needed to build 12V to 220/240volts invertor for myself and many more. I wait for your great help. (Editor's notes: Read the notes.) |
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| It doesnot kork properly! whats the problem? (Editor's notes: Read the notes.) |
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| I presume you need a heatsink for these transistors? can someone give me an idea of its size? | ||
| I have a 2006 f 650 ford service truck and I would like to run a couple of 120 outlets in the toolbox for charging drill batteries and maybe run a fan and electrical tools .what would you recommend? thanks | ||
| It's really nice. Welldone Project | ||
| can u check which transformer we can use in our standard in south africa. | ||
| Hi there can u help me with the specification of this inverter? It work well though,thanx to your website. | ||
| WHAT IS A TANTALUM CAPACITOR | ||
| DEAR SIR, I AM DESIGN ENGG IN POWERTEC SUPPLIES INDIA PVT LTD. I REQ 100W INVERTER CIRCUIT INPUT 48 VDC AND OUTPUT 120VAC. BATTERY CHARGING NOT REQ. | ||
| HI... I would like to appreciate if you can provide us a circuit for power supply inverter rated from 125VDC TO 24VDC or 48VDC TO 12VDC output. thanks... ed | ||
| i'll like to know the actual transformer i can use so as to achieve a power supply of about 2kW. also, what is the actual equivalence of the HEP 154 Silicon diode? i'm waiting for your reply please. | ||
| Hey all. I am looking to build a circuit similar to this, but it has been 13 years since I finished my unused electronics degee. I need to build a circuit that will operate off of a 9V battery and run a set of christmas lights that is a 120v plug .15a 60Hz. Anyone willing to give me a hand? This is for a parade - lighting musical instruments. In the last three years I have bought battery operated sets at the store either for them to not work when I get them home or they stop right as the band steps off. All help is appreciated. | ||
| am called newton tamale in uganda i want to know if there is another substitute to the componet like capacitors can't iuse an electrolitic capacitors of high charges like 50v 2200nicro farade and if iget atransister how can i identfy it's terminals the base ,collecter &emiter thank you. | ||
| what will be output frequency of this inverter?Is it safe for use all electronic instruments ? | ||
| Hello > can anyone tell me to modify a TBE Chinese Inverter 500w to 1000w , there are 2 ,three pin transistors at the DC side and 4 ,three pin transistors at the AC side,so plz tell which one's to change and what sre the transistor numbers,will it work on these new transistors and will the Transistor Model (different companies use different models) apply on my inverter. thanks | ||
| For people who read this and want to try and do something themselves they really shouldn't if they have no idea of the basic electronics and of OHM'S LAW then you should stick to buying stuff from BEST BUY. Everything is easly understood in his description and if you can't figure it out then go home and watch the RED GREEN Show. | ||
| the complete circuit diagram of 500watts/12volt inverter using transisters and components are avilable in the market.
(Editor's notes: Read the notes.) |
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| can you explain the principle how the inverter work. | ||
| I want to know if can include another circuit that can charge the DC battrey when there is light, so that the battrey can remain functioning in the absent of AC supply , is this effects to the circuit. | ||
| i want to know the perfect rating and type of transformer and transister for 1kw, with deep explination.plz i will be waiting for ur feed back. | ||
| I really want to know more about the rewinding of the old microwave transformer. thanks | ||
| please send me a 6 v dc to 120 ac inverter complete diagram with complete discription of components and it must be simple thanking you in anticipation | ||
| sir i have purchased all that products which are used in this inverter but it is not working it is not giving voltage so please send me the no of resistence with color code and no of diode because shopkeepers of electronic products are not educated at here so please send me ok thank you | ||
| To all of you i ´d like to give my opinion regarding this inverter circuit . It is not steady in terms of voltage nor frecuency ,couse it is an auto-oscilating inverter circuit, and changing load changes everything .(hz,volts,etc.) .The relation of turns of the transformer, is not exactly that of a 12 vac to 120 vac . transf . it must be calculated as an 8.5 to 120 vac for it to deliver all the power by receiving more voltage pressure on the 8.5 volts primary . we ´d better use some sort of oscilator ic. like the 555 to generate steady frecuency no matter what load . Now days with electronics and computers so advanced,there are many good great inverters & UPS around .Hope this helps . my regards : Sabino | ||
| please tell me what transistors Q1 and Q2, as well as T1, if i want to get 1 KW from this circuit, what is the freq result from this circuit? all my devices need 50 Hz. and how big battery for getting 1 KW? | ||
| I live in Jamaica and we are plagued with power outages. I am interested in making my own ac backup system with car batteries. This will power my small fridge, 2 floor fans, 8 computers and 2 florescent lights for 12-24hrs of usage. What would you suggest regarding the following: 1. Amount of Batteries (I was considering using 4-6 regular car batteries) 2. Converting the 120v source to charge the batteries (I want it to plug into a wall 120v socket) 3. Stopping the charging when the batteries are full 4. Converting the battery power to 120v I was planning to manually plug the units in when the power goes. However an automatic system would be nice. Looking forward to your reply, Gary | ||
| How can come up with the same inverter using thyristors or intergrated circuit(ICs) | ||
| please i want to design an inverter of 1000watt and above, what is the procedure i will take to design it? and please i still you to send me the circuit diagram of the inverter with the component specification/descriptions. i will be glad if my request is granted. NOTE: I WANT YOU TO EDUCATE ME GENERALLY ON INVERTER. Thanks and be blessed. am glad to discover the this website. | ||
| Hi, Can you supply the mathematics behind the circuit? regards, | ||
| hell i do the inverter but 1 problem capastor xpler what do i do help | ||
| can you pls explain the procedure of winding the secondry of a microwave transformer [ minimun/maximum number of turns of the transformer] in detail with a picture if possible. YABAtech nigeria | ||
| Sir, I want to design an inverter for 12V DC input. Is it possible to produce 230V, 50 Hz o/p using this ckt? If yes, what changes am i supposed to make & what would be the ratings of the components used in the ckt? | ||
| does it works on home appliances? | ||
| I like the circuit and appreciate the brain work. I want to know if can include another circuit that can charge the DC battrey when there is light, so that the battrey can remain functioning in the absent of AC supply. Thanks | ||
| i want synopsys on this inverter i.e. applications,ckt dia n more informations | ||
| very reliable cheap & economic inverter easy to handle simple working | ||
| Pliz, may i know the frequency of this project and how you can increase power eg 5KVA and voltage output, the number of windings on the primary and secondary for the transformer, the wire sizes also included. Just help me pliz | ||
| Can you explain why have you put the diodes ???? If we remove the diodes(Short circuit the diode parts) then also we can get the same output !!!!!! | ||
| instead use a 555 to make Q1 and Q2 on and off. works good, it will uses less Amps and cooler | ||
| ....sir,,, i cant find a single 68uf tantalum caps,,, would it be fine to use 6.8uf x 10 in parallel??? toinks.... tnx... | ||
| 1. I want an output of 220 Volts AC, would the components remain same if i use 24 volts dc as an input, and which transistor should i use if the input is 12 vdc, and output is 220vac. 2. kindly explain the procedure of winding the secondry of a microwave transformer in detail with a picture if possible. 3. if the max current is 15 amps and output is 120vac, howcome the max power is 300watts, how you calculate this, if i want more or less power what should i do, thank you Jawad Masood (BE Computer & Electrical) NUST Pakistan. | ||
| i want an inverter circuit that produce more then 1KW. is it possible to make the circiut using this circuit or what should i need to change or anything else you can help please give me the solution and the citcuit. | ||
| hellow sir, what a nice work keep it on, am a good electrical technician pesinaly i have been working hard to construct an hevy duty inverter 4 now i can construct 5KVA inverter using IRF 150 MOSFET for the power convation what am experimenting on now is to construct an inverter that can be charging without soler plate or oternetor atach to it when working pls i need some advice thanks | ||
| the circuit is good because of its simplicity | ||
| hey can u please give the working of this convertor | ||
| sir, i ask a question this circuit may provide a 50hz frequency without any destortion. | ||
| I wish to make UPS for computer at home output 1000 Watt, how its scheme picture? | ||
| i like to wind the transformer, could you show me size of wire (mm) for primary and secondary and i want to suport 12vdc that i take from the circuit(if the circuit is done), could i do that, thanks | ||
| How can i conect mor power transistor to this ciurcut help me | ||
| I must confess your project on how to construct inverter is an eye opener and of much interset to me especially for those of us who live where there is constant power outage, | ||
| I want to build an inverter that will convert the same said 12vDC to 120v AC but 400w what is the minimum amps on the transformer and Q1 and Q2 must value what? | ||
| pls how can i get the circuit diagram of an inverter that can carrry a load of upto 3kva output.
Thanks. (Editor's notes: You don't.) |
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| sir! this is a quite a intresating project and i am intrested in building dis project.I am a final year student of electronics.pl send me tge complete information abt this along with the circuit as soon as possible.I will be greatful to u. | ||
| Also Im trying to make this prototype and I was finding information about the HEP154. I found this part has a similar NTE116, look for information about this one. | ||
| this is very basic circuit | ||
| sir we want to makes a major project on power invertor please give us detail & circuit diagram ,all project detail THANK | ||
| Send me the correct schematic diagram and electronic components plz..thanks! | ||
| sir i want 6vDC to 12VAC converter ckt. Pls provide me that ckt. On my mail box | ||
| Wonderfull circuit. Can u suggest a DC to DC converter that produces 300VDC from 12V. I want to cascade several of them to produce a 5000VA inverter. Also suggest a three phase driver | ||
| How can i build 12VDC to 120VAC Power inverter/charger. | ||
| respected sir, i am engg. student studying in final year. i am giving the seminar on the pure sine wave inverter- 12 Vdc to 230 Vac using pulse width mopdulation technique by AVR-Mega 8 microcontroller and mosfet.i need circuit diagram of complete inverter so that i can explain it with detail.i hope u will definetly help me in giving the information i required. i am waithing for your reply. | ||
| What the substitutions type similiar if I change part of diodes ? | ||
| im new at electronics idont understand what you mean by turns on the winding and if you can send me a picture of this | ||
| Hello, How are you, i wanted to build a inverter, but I am just a newbie, im tired of trying that aaroncake one, dont work, i want something simple & easy to build, even if its only 60 watts if you can help contact me , i just need to see how they work, in the most basic form then I can Do the math and make it better, thank you very much (Editor's notes: Read the notes.) |
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| What will be the output power ?? | ||
| pls Sir, what is d frequency of d12VDC To 120VAC | ||
| Is there anybody that can help me design a perfect or near perfect sine wave dc to ac inverter, plz send cct design to my box | ||
| This circute is very interesting to make.but what will happen when ac entern into the circuit? it will get switch off or the circuit will burn?? | ||
| what is the HEP 154 silicon diode | ||
| the circuit is perfect.helped me in completing my project on electronics.send me a break down on how to access another site on computer electronics pls. naija4life | ||
| How can i build on this inverter circuit diagram to produce up to 5000va (Editor's notes: You can't.) |
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| Im trying to build a boat... I have a 229 G6 motor from a former S9 shredder. How can I provide sufficient power supply for this motor when converting this amount of energy? Can you help me? | ||
| I found an IC ICL8038 (precision 3 waweform generators with its circuit with very small amount of external componances) including the sinewawe one, in McGraw-Hill Circuit Encyclopedia p.5-313. Could I use it to drive FETs transistors and transformer to get AC 220v ? could you help to add more circuit if needed? Or if you have any similar circuit for me. I am sorry for my bad English. Thank you | ||
| SIR I NEED MORE WATT HANDLING INVERTER WOULD PLEASE GIVE ME CIRCUIT. IM PURSUING ENGINEERING | ||
| hello sir i really saw ur invertor will u send me more information aboput ur site | ||
| This circute is very interesting to make.It i too coool citcute to make inverter. | ||
| Can i use normal electrolitic capacitor instead of tantalun capacitor. because it is not available in our local market?Resisrot 1 watt also not getting.If i use more voltage rated capacitor what will happen. can i chane the vale of capacitor,resistor? | ||
| please kindly help me explain better for me on this circuit its not produce 500watts why its not kindly tell me on your reply on send it my mail | ||
| I chnged mine to put out 300 vdc with 6v in. r4 and r3 are 100 ohms. c1 and c2 ar 47 uf @ 35 vdc. no diodes or r1,r2. I using it to power a cdi ignition and it works great. thankyou for your insite. | ||
| kindly explain better for me on this daigram its not proparlay up to 500watts | ||
| thats it makes for a good logical thinking if 2 x 24 turns at the primary side will give you a 24 volts input. Also, since the gauge of the wire determines the current, then your output (watts) is VI = 220 X Current allowed by the wire used in the primary winding? | ||
| This circuit project is so so interesting and easy . thx for this cuircuit. i will do it and tell u............ | ||
| thank u so much! u've made a great design for this project..I can now got the principle on what to do of our project.... thanks a lot!More power!..hope u made more intrested electronics project.. | ||
| sir i've all requireds but i don't have a68uf25vtantalum capacitor in this city what is the substitutes pleas mention this page I EXPECT THIS | ||
| sir i construct this inverter ,i"ve all requirdes but i don't have a 68uf 25v tantalum capacitor in this city what is the subtitutes please mention this page ANBU | ||
| thanks alot for helping us with this info. keep it up. Pls kindly advice if it is possible to achieve a 3.5KVAC and 5KVAC inverter with a 24VDC battery. also if i can upgrade the circuit above to achieve 3.5KVAC/5KVAC. and iwant the circuit | ||
| I wonder how it would work running the gates from a small microprocessor ? Maybe run the gates through an opto and have the Microprocessor control the duty cycle and freq ? | ||
| thank for releasing your knowledge regarding the above subject., i was so very impress because i get now the idea i been loking for. | ||
| what is a use of this inverter | ||
| sir I constructed this inverter but the AC output I measured is very low only 48 volts what is the posible problem. thanks in advance ... | ||
| HI I do not were you are but here in south australia I can' t find the 68 uf, I could only find .68uf that is the maximun could you please tel me if you have an alternative to that capacitors. thank you very much for you help and bravo for your web side very good. Rene | ||
| very interesting,i did it myself | ||
| pls. send me the whole detail of this device... tnx | ||
| what's a tantalum capacitor? | ||
| can you send me a more detailed diagram please? 10q | ||
| thanks alot for helping us with this info. keep it up. Pls kindly advice if it is possible to achieve a 3.5KVAC and 5KVAC inverter with a 24VDC battery. also if i can upgrade the circuit above to achieve 3.5KVAC/5KVAC. | ||
| Dear I required the subject circuit please also describe me how i can make it Auto UPS means if main power goes shut how can i get power through this inverter Automatically. | ||
| thank you for give me a chance to get a AC Inverter diagram | ||
| The inverter circuit seems to simple and most importantly GOOD. You are blessed | ||
| can i know more about this? | ||
| How can one make a 5, 10, or 15KVA inverter does any one have any plans? | ||
| Would a non center tapped transformer work.I am having a 12/220v step up transformer. Can u explain in detail how the circuit work? | ||
| sir / ma, Please i would like you to tell me what exactly what transistor is to use when upgrading this system to a higher watts ; kindly list the value of each transistor from 500w, 1k,2k, 3k,4k. we thank you for this opportunity you gave to each and everyone of us may you continue to grow more BIGGER | ||
| dont take transformer apart just thread turns tru it! most microwave transformers are welded laminations | ||
| could there be any possible circuit for 2KVA + inverter and what is the maximum battery that could be added to an INVERTER | ||
| thank you for give me a chance to get the diagram | ||
| very good | ||
| this is great..i havent tried constructing it but this is amazing..i gonna try it sooner...tanx for the contribution | ||
| is this circuit a single phase. | ||
| can any diode be used | ||
| pls i need how to build an inverter and with list of materials | ||
| sir, thanks for this great work. I would like to ask what are the possible substitutions for the components. Thank you | ||
| This circuit supplys about 300W but i need only 100W.So what are the substitutions for T1,T2 also specify the gauge of L1,L2 | ||
| hi! thank you for this project but i just would like to ask if this system produce a pure sine wave or a quasi sine wave? and what is its frequency. thank you. | ||
| pls, i would like to know how to design a such inverter | ||
| please tell me what transistors if i want to get 1 KW from this circuit, what is the freq result from this circuit? all my devices need 50 Hz. and how big battery for getting 1 KW? | ||
| thanks for the diagram | ||
| I'M STILL CONFUSED WITH THIS CIRCUIT | ||
| Thank you for your response (June 9, 2007). Does anyone know of a more efficient design? I thought that the inexpensive, 80-90% efficient units, used a chopping method to approximate a sign wave. Also, would the above circuit have difficulty driving an inductive load? Ultimately I am looking to make a Variable Speed Controller for a small circulator pump (TACO 005 ~60 watts) with the range of 30 to 60 Hz. The supply is 12 volt car battery. | ||
| If i get Battery 12v/100Ah , how long this circuit 'survive'... | ||
| what if i like to change the frequency of the inveter, what will i do. | ||
| Rich Moon, you have a CONverter, not an INnverter. Most RV's, if not all, have converters to charge batteries and run their 12vdc equipment when plugged into shore power. You cannot run a converter backwards to get AC. | ||
| I,ve tried mine i couldnt make it work cos i felt im using the wrong transformer.Please how can i get the right rating of that tranformer. | ||
| ugh, have you ever tried to take a microwave transformer apart? it took me 45 min's just to cut threw one using a band saw, PLEASE EXPLAIN this magic. Thank you. (Editor's notes: Dremel tool and small cutting wheel.) |
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| sir i wish to say thanks about this great work. please sir i need a detail explanation about note 7 thanks | ||
| i want to make a amplifire for my car.and my car has a 12volt[single power supply-(possitive and negetive) port] car battery.i want to use stk -4191/4048/4044 ic.and this ic needs 35/60 volt. how can i make this amplifier for using in my car.plz give any suggestion | ||
| The Circuit is good. please what can I consider for the upgrading of the circuit. Can I use darlington pair? | ||
| SIR, THIS CIRCUIT INVERT THE 12VDC TO 120VAC. AC VOLTAGE CAN EASILY BE RECTIFIED IN DC BUT HOW THIS CIRCUIT INVERT IT BACK TO AC. SIR PLEASE TELL ME THE ANSWER OF THIS TROUBLE I AM VERY CONFUSING ABOUT IT PLEASE PLEASE PLEASE SIR OK GOOD BYE | ||
| what are the maintaince for the inverter 12v | ||
| any substitution for HEP 154 SILICON DIODE | ||
| sir i can't find 68 micro farad tantulum capacitor.can i use 47 micro farad tantulum instead.or what about using high voltage(like 50 to 250 volts) electrolytic capacitor | ||
| I am rounding up my Programm, i intend writting my project on inverter. pls i need more light. thanks | ||
| thanks for the diagram | ||
| Hello, I recently got an inverter from a travel trailer. I tried hooking it up and it does not seem to make 120vac. I can input 120vac and it puts out 13.5vdc to charge the battery. Is there anything I may be missing? I am inverter challenged I guess. any help would be greatly appreciated. Thanks | ||
| 12vdc to 120vac inverter can be convert 10000vac | ||
| I am a lay man on this subject,but i like the idea and believe it will sell were i am from.the point is i and others in my place need an alter native to the frequent power problem,mostly we that operates business with much need for light,so if your design can generate power at a lesser cost to the fuel and dissel we buy,for our homes and business i believe my town will welcome it's need. | ||
| i want to create and inverter that will serve as uninterrupted power supply to my computer | ||
| try to build this. | ||
| pls send the details of hi power invertor. | ||
| Good Circuit | ||
| p/s sir can you make ten of these and tie them together for 4000w thank you | ||
| please i want to design an inverter of 1000watt and above, what is the procedure i will take to design it? and please i still you to send me the circuit diagram of the inverter with the component specification/descriptions. i will be glad if my request is granted.
NOTE: I WANT YOU TO EDUCATE ME GENERALLY ON INVERTER. Thanks and be blessed. am glad to discover the this website. (Editor's notes: Read the forum post linked to in the notes.) |
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| What is the efficiency of this circuit? (Editor's notes: Poor.) |
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| Thanks for inverter schematic, pls can i have alternative Capacitor 1/2, I can't find the the 68uf 25v capacitor (Editor's notes: There is no substitution.) |
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| i have 6watt dc power source (12V,0.5A) such as battery. can i build an inverter to give me 70watt (18.5V,3.5A). thank you angel. | ||
| I need to make a Inverter with input voltage of 140VoltsDC and with output voltage of 230volts AC. can you give circuit for this. | ||
| can you make ten of these and tie them together for 3000? | ||
| Need all diagram for the inverter circuits | ||
| please i need dc to ac convertor circuit 500 watt going thank | ||
| plz kindlyu send me the circuit diagram for above subject. thanks for your supports always (Editor's notes: Read the damn notes. This will be the last comment posted regarding making a 220V/240V inverter. These questions should be asked on the forum anyway.) |
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| cause here in philippines, the AC current is 220. and many places does not have yet current lines. i want to help them to have light for their house, i need an inverter a 12 to 220V inverter. Can you help me solve my problem. I need a diagram and parts to make the said subject of mine and to many people. God Speed. (Editor's notes: Read the notes.) |
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| What would I have to do to make the output frequency variable about a limited range, say from 40 - 80 Hz? I ask this because my application would be to operate a clock drive on an astronomical telescope mount using a synchronous motor so that I could guide the drive through frequency control to cancel drift in the field of view. Thank you. | ||
| the circuit you show here does not have an oscillator stage and protective device pls can you give them to me | ||
| Pls. inverter has 12VDC input and 220 output and 300watt i want to raise the watt to 5000 is it posible? tnx (Editor's notes: Read the notes.) |
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| i need the cicuits diagram and how to construct | ||
| Please how do i get the editors notes. pls can anyone mail me how to get full details to produce this thing? | ||
| PLEASE I WOULD LIKE TO BUILD THE ABOVE CIRCUIT CAN YOU HELP ME OUT CONGRATULATIONS FOR ALL THAT YOU ARE DOING | ||
| sir, i would to ask you, how if I want to make 12VDC To 220VAC Inverter? Can I just replace the transformator on your circuit, thanx very much... (Editor's notes: Does no one actually read what is written in the notes?) |
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| please i would like to build the above circuit can you help me out CONGRATULATIONS for all that you are doing | ||
| pls how can i increas my inverter 300 to 5000 thank u. my helper. | ||
| Wow how great, this could help much in my area wherein no power supply, could you send me a diagram of 12VDC to 220VAC 5000W and complete list of parts. Thanks (Editor's notes: Read the notes.) |
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| Pls. inverter has 12VDC input and 220 output and 300watt i want to raise the watt to 5000 is it posible | ||
| how many watts will u get from 12VDC to 220VAC | ||
| this is a good site for me. thank you so much. but, how to recycle the batteries faster. thank's again. | ||
| is it a swich mod circuit? | ||
| plz can u send me the codes and the values of T1,Q1 & Q2 that makes me able to produce 1000 watt (1 kwatt) plz answer me as fast as u can and thank u for ur effort (Editor's notes: Read the notes.) |
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| PLEAS HELP ME | ||
| Want to know the Battery Life | ||
| Sir, I would like to accass the diagram of an inverter that can produce 230/240 Volts from a 12 Volts DC source. This will help me in a project I am am undergoing in my town. i dont really know whether what i am asking is possible .Thank you i always await your reply, success Bosah (Editor's notes: Read the notes.) |
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| Thanks for the forum discussion and all the effort your forum have invested to solve inverter problem and other electrical and electronics problems . please i need a help from the topic thanks Julius | ||
| how to calculate wattage of a inverter | ||
| i want to build a inverter 12v to 230. the problem is i need cycle 50-60hz.how to increase amps on this circuit to run
a tv/rice cooker etc
kindly send sutiable circuit and advise
thanks
raja (Editor's notes: Read the notes.) |
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| Sir,
I would like to know how to construct an inverter that can produce 230/240 Volts from a 12 Volts DC source. This will help me in a project I am am undergoing in my community.
or better still is it actually possible to get this done?
Thanks for the reply,
Kenneth Ellah (Editor's notes: Read the notes.) |
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| pls what about transformer for 12V/240V,1kva output.i mean the winding .,wire guage turns | ||
| i want to build one. i am not confident on the transformer part though, can you suggest a transfromer already wound, and other transistors for lets say 3600 watts? ....thanks | ||
| dear sir,
i would like to ask anyone who could provide me a complete
and detailed schematics and materials for a 12VDC or 24VDC
to 220-230VAC 10KW power inverter. thank you very much!!! (Editor's notes: Read the notes.) |
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| Can anybody explain to me how this AC to DC circuit schematic works? Thanks (Editor's notes: Read the notes.) |
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| u are doing a wonderful job here. wish u more exploit ahead | ||
| regards.. i wonder if you have a scheme for 220 v inverter for welding machine. can u email me the scheme or where i can find it, i need it very much.. thx best regars JUL HOKA | ||
| Wow how great, this could help much in an area wherein no power supply, could you send me a diagram of 12VDC to 220VAC 5000W and complete list of parts. Thanks (Editor's notes: Read the notes.) |
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| does this circuit output at 50hz or 60hz? regards chris | ||
| I have some problem with my inverter, the driver circuit has working, and there are output voltage 230 from secondary side of transformer, but if we insert a load( soldering iron 30 Watt) the output voltage get drop until 10 volt. this oscilator circuit used IC SG3524,to drive mosfet IRFZ44, how to make voltage regulation from this IC.and what the transformer type that used for inverter,how to make and calculation the transformer? thank's | ||
| thanks ma man for helpin us!!! good luck guys | ||
| i think we can work on this. | ||
| Hello Mr. Aaron, Built Two of these with 220VAC output @ 20A and for Q1 and Q2, used MJ15003 and an old Microwave Transformer in the later one. Both Work Fine, thanks and best regards. | ||
| Please i need your help to construct a circuit to convert 9VDC to between 3 and 5 VAC. Thanks in advance. | ||
| dear sir
i need a complet circut diagram fet base 1000 watt 50hz 12v
to 220 please send me
thank you (Editor's notes: Read the notes.) |
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| watt kind of Battery to used | ||
| this is a great work and i commend your effort but i would like to request for an inverter of 12vdc to 220vac. (Editor's notes: Read the notes. (are we seeing a trend here yet?)) |
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| what about the transfomer to use this project(out put ) | ||
| Would you please answer me the following questions: 1- What is the value of the output voltage just before the transformer and what is the shape of the AC wave and its frequency? 2-What is the value of the output voltage after the transformer and what is the shape of the AC wave and its frequency? Thank you very mush. | ||
| I need 12 VDC to 420 VAC with output current 10 Amp | ||
| CAN YOU PLS, EXPLAIN HOW YOUR PROJECT COULD BE UPGRADED TO PRODUCE 220VOLT AC.
THANKS FOR BEING THERE. (Editor's notes: Read the notes.) |
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| plzz i want 48v to 220v power inverter circuit to do i have try this one the 12v to 120v | ||
| simple design but great project, good for small village | ||
| Sir can we known about inverter transformer design with design specification | ||
| i'm very impressed that a forum like this exist where questions are asked and replies are gotten. My major problem is getting a detailed circuit which will aid me in the construction of a 12vDC to 240vAC inverter. (Editor's notes: No, your major problem is not reading the notes.) |
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| sir please senn me 12vdc to 160 v ac 40 watt inverter circuit diagram | ||
| Its a lot of power you need to drive 3 air condition,3 refrigerator an 600 watts light, but if you made all the power consideration( power transistor maybe a SCR, a transformer that can handle that current) you may need a low pass filter, you may be having problem with the harmonics | ||
| Palese send me a circuit diagram 220vdc to3000vac 10000hz inverter 10kw (Editor's notes: You're kidding, right?) |
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| can u tell me what is the frequency of the ouput ac voltage and is it possible to convert this same 24 volt dc to 230 volt ac, please help me let me know more about this things (Editor's notes: Now I know this is a VERY hard concept to understand, but if you ACTUALLY READ the information on this page, you will find a link to a forum topic which will answer all your questions.) |
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| i need the circuit diagram | ||
| the inverter can update to 3 phase ? tq | ||
| the inverter hz is 50,60 | ||
| How about the frequency of the output? Can we make it at 50 Hz, or in the range of 50 to 60 Hz? Thanks. | ||
| sir, i want to make 100 va inverter from 110vdc to 230 v ac plz suggest the diagram for the same thanks | ||
| nice job | ||
| Hi
I am looking for a invertercircuit diagram for the 500w 12v dc-220v ac (Editor's notes: Read the notes.) |
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| sir any body asked what is the frequency of output i.e. 120v | ||
| YOU'VE REALLY DONE A GREAT JOB BY MAKING THIS DIAGRAM AVAILABLE TO UP COMING TECHNICIANS LIKE ME PLS I'LL LOVE TO HAVE THE DIAGRAM IN MY MAIL BOX THANKS SO MUCH. | ||
| Iwould like to make an inverter 12vdc to 220vac with respect to the above diagram could you give the value of the components to satisfy my requirements (Editor's notes: Read the notes.) |
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| Hey men u are doing a good job.Keep it up.Am having a challenge on constructing one but thank God u have helped me. | ||
| i really appreciate your effort in designing the named inverter,please i want it dumbed into my Email.thanks | ||
| at fisrts i want to say thank you for helping me with this diagram, but i still have a question about this diagram. If i want to convert 12VDC to 220VAC what should i do?? What component should i change and how big the current that can past this circuit? (Editor's notes: Read the damn notes.) |
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| It is a credible Site. Thank You . | ||
| hellow am a good electrical technician pesinaly am into research and experument, a man ask me to construct an inverter that can power, 3, aircondition, 3, refrigerator, and 600 waths lighting points, the only chaleng am having is that the inverter i constructed culd not drive the aircondition compresor parfectly, pls i need some help, on how to solve this problem, thanks | ||
| i need 1 circuit & shematic for 6vdc to 220vac inverter . please help me . i live in iran whit thanks | ||
| i want to ask the watts for t1 use? | ||
| Please send me the diagram of 120VDC to 230VAC inverter of 3000watts (Editor's notes: Read the damn notes people.) |
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| Hi Its a very simple n nice way but what do you mean by changing q1 anmd q2 for more power output what can be the no.s which can be used for more power increament | ||
| can i get tips on how to solder a circuit like that | ||
| Thank you, you have given another idea that will truly help a lot. Kindly provide me a diagram of inverter circuit 12VDC to 110/240VAC. Regards and more power to you! | ||
| hi,how do i couple this inveter to generate a 220/240vac output and which other capacitor can i use if tentalum type is not available | ||
| how to reduce crestfactor in 12V DC To 120V AC Inverts | ||
| i want 12VDC To 220VAC Inverter inverter | ||
| can a inverter that is suppling three or more appliances run under the same amp draw or will the amp draw from the 12 volt power supply be more, | ||
| hi sir !!! I want to know sir if this inverter is active if the baterry was charging. | ||
| Good day sir!!! sory sir if my question is far from ur topic.Sir, u have an idea how to make a solar system?w/ output of 12v dc.txnkz! God bless u. | ||
| Would you kindly show me the diagram of microwave transformer? Please send me the diagram of 12VDC to 230VAC inverter of 3000watts. | ||
| i'm bangladeshi.I thanks you given us new idea on circuit diagram PLEASE KINDLY HELP give me circuits 12vdc to 220vac 500watts up to 1000 please send it to my mail thanks. | ||
| what kind of transistor can i use for 2500w | ||
| this is final year project in my school. | ||
| I am like Manuel, but I need it 12vdc-230vAc,3000watts .Kindly send me inverter circuit diagram and part list, including the battery or battries. I intened to use on a Solar System. Thank you | ||
| very good and easy to build | ||
| plz send me how to form the 24 v primary center tapped transformer which is used in the above circuit is it is possible to use standard 12 0 12 v transformer? | ||
| sir, i want know if i want to construct 220 inverter, wish size of transformer can i used and how can i connect and types of diode and ressistor, can i used, thanks, balogun | ||
| how much watts will be generated with transformer 24vdc input and 220/240 vac output. and transister=2N3055 | ||
| I have a sources of 48VDC 22Amp/h, I want to convert through Inveeter 220VAC 500W capacity. Please send me a ckt for above mention. | ||
| which campany provides best inverter in market | ||
| Hi,Can u pl. specify me with the cost details if no where can i have the above listed parts? I am intrested in ur circuits so much | ||
| I thanks you given us new idea on circuit diagram PLEASE KINDLY HELP give me circuits 12vdc to 220vac 500watts up to 1000 please send it to my mail thanks. | ||
| Kindly send me 12vdc-120vAc,3000watts inverter circuit diagram and part list, including the battery.Thank you | ||
| am bangladeshi reading in an engineering university namely KUET. i am so much interested in circuits as my subject is EEE. this circuit is really praiseworthy and informative. i bless its designer. | ||
| I am a project student of computer engineering department of Ladoke Akintola Univeristy of Technology, i presently need a project topic, which i need to work on as my final year work, i am browsing thorugh the web when i found this, i think this could help, may be as part or whole of the project, i am currently seeking for your help on the topic or more of any topic which can help, and also using this medium to ask for permission to use this one. (Editor's notes: You're a student, so you should know to read the notes.) |
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| The content you have given for the 12V to 120V Inverter with complete circuit diagram and its parts list. I am very thankfull to you. | ||
| GOOD | ||
| explannation on Gnd.how can the circuit be conected to the 12v bartry[cell] .can 100uf,25v or 82uf,25v use to reprecent 68uf,25v tantaium capacitor.explannation on how the circuit can be conected on a meter bord.thank | ||
| will transisters in series work for higher wattage? what transister do you use tol handle 1000 watt range? | ||
| i am bangladeshi reading in an engineering university namely KUET. i am so much interested in circuits as my subject is EEE. this circuit is really praiseworthy and informative. i bless its designer. | ||
| I have a diagram for a -30 to 30 variable DC voltage source. If anyone needs it let me know | ||
| IAM AN AFRICAN LIVING IN ZAMBIA. IAM A TECHNICIAN I NEED OF CIRCUIT DIAGRAMS FOR INVERTERS. I WILL BE GRATEFUL IF ANY ONE WITH ASSIST WITH CIRCUITS DIAGRAMS THAT CAN ENABLE ME MAKE AN INVERTER | ||
| Please send me circuit diagram of 12v to 240 V microcontroller based inverter(2k). If microcontroller based not avaiable send me simple inverter using FET or IGBT | ||
| i would be very very gratefull if you could send me the curcuit diagram for 12VDC to 240V AC 50/60Hz 4000W (Editor's notes: This will be the last time comments regarding making a 240V inverter will be posted. This is clearly covered in the notes section.) |
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| I must first thank you for maintaing this fine wedsite for student and even the industrialist.A million thank you once again:
Please kindly sent me an inverter circuit diagram of 12v dc to 220Ac Votls 600watts.Thanks Ben Victor (Editor's notes: So I guess not a single person reads the notes...) |
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| I will be very greatful if could send me circuit diagrame for 12vDc to 240vAc 1000w converter.Thank you | ||
| Kindly send me 12vdc-240vAc,1000watts inverter circuit diagram and part list.Thank you | ||
| Sir, I need circuit diagram, components is used in board. if possible, you sent to me soon. thanks you very much. | ||
| Inverter with complete circuit diagram with parts list,with layout diagram ,thank u | ||
| well , i just opened a brand new ups made from apcc and i saw transformer not centered tapped . but ups out put is very fine and good when i saw circuit carefully i noticed that this ups is using FET and oscillator circuit can u please tell me how this technology is working . i want to make a ups for my pc wht kind of ics i can use to creat sqare wave . thanks waiting for u r reply | ||
| Can you please send me a circuit 12v DC to 220 Volts 600 watts 50Hz sine wave approximately. Thank you! (Editor's notes: Read the notes.) |
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| "Please send me . . . " ! ! ! ! ! You got to be kidding, everything is at the top of the page ! ! ! ! ! | ||
| Firstly I must thank you for maintaining this fine web site. Thank you once again. Please do send me a circuit 12v DC to 230 Volts 1000 watts 50Hz sine wave approximately. Thank you, omer | ||
| hi aaron could you help please
i want to build a 12v /240v 12000watt inverter could you supply me with a circuit diagram and a parts list also step by step instructions any help will be greatfully recived or instructions on how to link several 1000watt inverters together to produce the same kind of wattage maney thanks
john (Editor's notes: Read the notes.) |
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| Firstly I must thank you for maintaining this fine web site. Thank you once again. Please do send me a circuit 12v DC to 230 Volts 600 watts 50Hz sine wave approximately. Thank you, sajin | ||
| Sir, please send me a diagram of 12V DC inverter to 220 Volts/1,000 Watts. Thank you.. | ||
| The schematic shows the Capacitors in backwards! and in order to make this circuit produce 50 to 60hz major adjustments must be made...If I am wrong...plz tell me! because I have had problems with this circuit from the get go! (Editor's notes: The circuit does not work very well as indicated in the notes. See the long topic in the forum that is linked in the notes.) |
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| Please ,as you know in iraq there is no electricity because the civil war ,therefore kindly i ask you to suppurt my and cooperate to send me everything about 12vDC To 220vAC Inverter,12 Houer work With 5 Amperes or more. Thank you . | ||
| Firstly I must thank you for maintaining this fine web site. It really does a yeoman service to experimenters like us. Thank you once again. Please do send me a circuit 12v DC to 220 Volts 600 watts 50Hz sine wave approximately. Thank you, Ranjit C. Fernando | ||
| Thank you so much.i wish you all the best in life.Pls, i have finished rewinding a coil, I want to get the detail diagram of the components needed to produce 4.5kw value of 12v dc/240vac inverter. I shall be very grateful you did.
mike. (Editor's notes: Good luck with that. Read the notes and see the 30+ page topic on the forum covering all aspects of inverters.) |
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| Wanted circuit diagram for a 12 vdc to 230 V AC 10 Amps, 2000 watts output Inverter for running 1 Ton AC for home | ||
| With the recent development about inverter, can you pls work on the SG 3524 IC it a new modify sine wave inverter which generate both the frequency, sine wave and has a shut down with all the necessary circuitry, if you could do that can you share and place it on your site for us? | ||
| Sir, I am a student carrying out a personal project, Pls if in position would you help me with detail in inverter circuit design and analysis to help me able to design and understand it behavior. Looking forward for the reply. | ||
| PLEASE IF IT IS POSSIBLE I WANT A CIRCUIT THAT GIVE A220VAC WITH A 8 OR 10 AMPERE FROM A CAR BATTERY. (Editor's notes: Read the Notes.) |
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| I want to built a inverter ,12vdc to 120vac capacity to at least 4 receptacle working at same time help me please I need parts and cost | ||
| Please, sir/ma can you assist me on my ungoing project by sending me a circult diagram and sine wave diagram of an inverted mentioned. i will be very happy as i wait to receive it. Thanks. | ||
| PLZ SEND A CIRCUIT OF 12V DC TO 240V AC as soon as possible i will be highly thankful of you | ||
| Plz any alternative way for tantalum capacitor??? And How can i make this tranformer?? (Editor's notes: Read the notes. That is the answer to 99% of questions posted here.) |
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| kindly help me send this circuit diagram to my email (Editor's notes: Scroll up about 6 inches. There you go.) |
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| what is the cost of your inverter | ||
| Thanks for bringing something like this down to us, its is very helpful to we young engineers. i am from Nigeria and i will like you to send me a very reliable inverter circuit of input 12vDC to 240 volt AC. Thanks a lot. | ||
| please bend a simple inverter circuit diagram of 12vdc to 220vac to my e-mail (Editor's notes: Read the damn notes.) |
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| kindly give me inverter circuit diagram 12vdc 220vac simple send to my e-mail (Editor's notes: See notes.) |
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| plz send me 12VDC To 220V ac 600w 50 hz inverter circuit diagram with schematic also information of each component help me plz... thx B4 | ||
| 12v DC-230v AC Inverter circuit diagram with 230v-12v charger please send my e-mail address. Thanks | ||
| Hi there Firstly is it possible to have a 6V DC - 24V AC inverter. And secondly can you help me at all with the design of my own inverter circuit as i have a project due in in a few weeks and have been struggling all year???? | ||
| What is the no-load draw of the circuit? | ||
| I want 12v to220v power inverter circuit.Thanks (Editor's notes: See the Notes.) |
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| can u pls tell me working of inverter , how transistor is creating frequeny to drive transform . i study that transform can work on DC so how its working | ||
| Just the circuit I was looking for. I wanted to power my laptop from car. My only concern is that the circuit looks like a multivibrator, won't the output waveform be squarish? And will it cause any harm to any appliance ? (I know that appliance such as small heaters or other similar ones may not have any problems) This is a great website for electronic hobbyists! | ||
| i love what you have pass on here but i live in nigeria where our voltage in between 50v to 90v so i cant switch on my appliances. i want to build this but i want the diagram for a 12v battery charger and 240v (50/60hz)inverter. so when there is light no matter how low the volt is it will charge the battery and immediate there is power strick it automatically swicthes to the inverter mode just the way a UPS Backup power works. i would appreciate if u can send the diagram to my mail box thanks. awaiting your favourable reply. | ||
| pls send me 12vdc to 220/240vac circuit design. also how to make a transformer for these project. possible 500watts to 1000watts. many tnx | ||
| aaron... :D pls let me share your pain, most comments are really a pain... :D email me f u nid help :D | ||
| can you send me the 12v dc to 240v ac version, please Cheers Michael | ||
| i want 12 v to 220 volt inverter circuit if u can plz send it 2 my email address...it will be very kind of u...thanks | ||
| plz send me 12VDC To 220V ac 6oow 50 hz invertor circuit diagram thanks | ||
| thank you for everything | ||
| There is no longer a single"correct" English. Do you mean British Standard English, or maybe American Standard? Or maybe any of the other former parts of the former British Empire which have distinct forms of the English language? Some of the poor English might be atributable to the fact that Batra, Tahir and Iqbal are likely foreigners. Pleasant welcome you've given them, buddy. Spelling Stephen! There's no c in sense. I note your credentials- BSE. Maybe you are commenting from too lofty a location about us poor dullards. Redcoat | ||
| i ve seen and tried the circuit and it worked fine. can u pls sens me the 240v vertion. 10q | ||
| Is a Transformer less circuit possible? | ||
| plz send me 12v dc to 220v ac 6oow 50 hz invertor circuit diagram thanks | ||
| hello sir i am vicky batra and i do diploma in electrical engg.In final year i also prepare a project (INVERTER) and i want to get some help of you. so please sir contact me and solve my problem. i shall be very thankful to you for doing this. | ||
| please send 12 to 220 volt invertor circuit 500watt and low current on battry with description. this is my hobby to build circuit and see his work. | ||
| I will like to place an order for power inverter so do get back to me if you do ship to usa and also uk let me know so i can forward the items needed.
Warmest Regards,
Laura Cole. (Editor's notes: I don't sell inverters. If you want to buy one, I'm sure one of the ads shown to the right of the parts list can help you...) |
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| The comments I see on this page are sad. Most comments are along way from correct English and they are asking for the "Betty Crocker cook book kit". The information given is enough for one to work with and build if they have any experience with electronics but perhaps real common scence and building skill is no longer taught. To the author, nice project page and a simple design, thank you. | ||
| Hi I was wondering if i could get the full schematic for this 12v to 120v as I want to construct this same project for one of my classes
thanks (Editor's notes: Scroll up about a page. There's the schematic.) |
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| I'm an student of Karachi University. I would like to ask for the full schematic diagram of 12vDC to 240vAC inverter. I will be appreciative if my request is granted. You can reply me using the mail addres i provided. Thanks | ||
| I am looking for 400v(DC) to 480v(AC) Inverter Could you help me ? | ||
| how about if i'm using input voltage is greater then 12 V dc, such as 24 Vdc | ||
| Please send me CKT diagram of DC/AC inverter | ||
| I'm an undergraduate student of lancaster University. I would like to ask for the full schematic information of inverter. I would like to do one or two things with it.I will be appreciative if my request is grated. You can reply me using the mail addres i provided. Thank you for | ||
| Hello,pls how can i make an inverter of 240VAC (Editor's notes: See notes.) |
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| how can i modify this circuit to first take in 300dc and supply a three phase 240v ac. secondly, how can i modify it to work with motors (inductive loads) | ||
| approximately how much would all the parts cost and approx. time it would take to make one of these as a hobby? thanks for all your help | ||
| hello sir i cant find any of this component except the resistor what shll i do is there any other circuit for this . or i want a 100w inverter can u help me in any case. if so kindly help me | ||
| i want you to send me the circuit diagram with PCB layout. thanks. | ||
| i'm a regular on this site and i must commend you for your good work.pls i would like you to send me the circuit diagram for the 12Vd.c to 240Va.c inverter.thanks a lot. | ||
| i want circuic that usefull for cordlesss phone power supply when power turns of then it work on 12VDC battery & when poewr turn on it will of & battery get chargd | ||
| please i will like if circuit along with the automatic charging and switching system that can be used when there is power failure. secondly if you have the inverter circuit that was disgn with an IC NO: SG3524 please send it to me | ||
| i want you to send me an inverter circuit diagram | ||
| please I need inverter circuit diagram with PCB layout it`s very important for me thank you | ||
| Hi I need a schematic of 6V DC to 240VAC Inverter of at least 300W..
so that i can run tube lights on it.. (Editor's notes: Notes again...) |
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| i will like you to send me the schematic diagram for above inverter. Thanks (Editor's notes: See notes.) |
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| How about the opposite? From 120VAC to 12VDC? i.e. to run a 12V radio or other car-oriented device on a test-bench. | ||
| how to construct this kind of circuit | ||
| Hi its RAJESH SH. well i like this project very much it satisfied me. now i got what i was needed before very long time this site is very effective to those who are seeking such type of help well its a great step for spreading education and skill thank u | ||
| I need to change the frequency from 60 to 50 Hz and the output voltage from 120 t0 220 volts of this inverter. What change to be made in the components. (Editor's notes: Read the notes. This goes for 99.9% of all the comments posted here.) |
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| sir i would like to have an schematic of 24vdc to 220vac 10000w power inverter that i use on my home.....many thanks | ||
| PLEASE I NEED THE DIAGRAM OF CONVERTING FROM 12V DC TO 230V AC | ||
| u should provide notes clearly | ||
| pls send me a diagram of 12v dc,230v ac,300w inverter so that i m able to run one fan and two tubes on that. | ||
| if i want to change the input to 9VDC, what are the values of the parts? in fact i want to ask that hw can i change the range? what will be the values of the components values for the input 9v...........thanx....... | ||
| sir, i need a circuit daigram on inverter that can power 48vDC to 220v AC 5000watts inverter | ||
| How can i calculate the frequency of the output signal. what should i do to adjust this frequency? | ||
| Pls. i would be very greatfull if u can send me a circuit diagramme for 5kva inverter system with charging and changing over inbiult unit | ||
| i love this topic and this site | ||
| Hello!!! I need a circuit diagram/schematice for the above inverter. with automatic charging and switching system, that can be used if power goes on and off. THANKS. GOD BLEZZZZ | ||
| for how long can this inverter work if it is used to power a tv set,sound system and a dvd player simultaneously | ||
| I need a circuit diagram/schematice for the above inverter. with automatic charging and switching system, that can be used if power goes on and off. | ||
| pls,i need a sinewave inver or any inerter circuit that can be rated 2KVA.thanks | ||
| Please were can iget tantalum capacitor to buy. | ||
| I need a circuit diagram/schematice for the above inverter. with automatic charging and switching system, that can be used if power goes on and off. | ||
| Hi , Please let me know the battery specification – will normal car battery will do, my requirement is to run two ceiling fans and fluorescent lamps | ||
| Hello! I want to use a circuit for ultrasonic sending,Input:DC 5V. Output:DC130V.Can you give me a circuit? Especially,the parameter of transformer.Thank you! | ||
| if i want to change the input to 9VDC, what are the values of the parts? also, if i took out the transformer, would the new output be in DC current? | ||
| how can i make an inverter to be in sonk with the power compenty | ||
| how i can get output sin wave and adjust 50hz frequency | ||
| schematic diagram of an invertor | ||
| how i can get output sin wave and adjust 50hz frequency | ||
| please kindly assist me for inverter circuit diagram 12vdc to 22ovac 500/750wt and send it to my mail address please i will very happy thanks for help deffrent model GODbless | ||
| how can i build a power inverter for my car | ||
| Sir this is a perfect sine? if not can you give me a schematic diagram that can produce perfect sine wave at 60 herts. Thank you. | ||
| sir how many watts will it be if i used a 3amp 120/12-0-12v can you give me a list of transformer amp equivalent to output wattage thanks:) | ||
| Sir, I need this inverter's circuit diagram as soon as possible (Editor's notes: Is no one actually reading the notes?!) |
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| can u plz send me thje circuit ,working and detailed description of the parts used for an 12vdc to 220vac inverter, plz send as soon as possible. | ||
| why cant we use pnp transistor instead of using npn transistor .... what kind of difference can be seen? pls reply soon | ||
| Sir,may i know whats the reason for having 24v has a centre tapped transformer.... why cant we use 12/6v has a centre tapped transformer .....HELP ME PLS | ||
| I need a 12VDC to 220VAC inverter circuits of 1500W to 3000W. Thanks | ||
| Sir,I am doing a project on Boost DC to AC inverter using sliding mode control....but im unable to understand how this control method is applicable to boosting...so plzz can u help me out... | ||
| I want detail circuit diagram for 12v-220vac out put inverter. | ||
| I am interested in an inverter to go from 120VDC back down to 12VAC which can later be rectified to 12VDC. I cannot however, find any substantial tantalum capacitors rated at 120V. I know you said no substitutions, but any suggestions? P.S. I don't care how many Hz or even kHz the inverter runs at, this is not for typical use. | ||
| i need a schemati diagram | ||
| how do u adjust 50hz frequency | ||
| want to convert 12vdc to 220v ac and want to run a fan and light of100w kindly help me. as i can improve my business. thank u | ||
| I need an installation guide & schematic diagram of an inverter | ||
| how exactly can one rewind a transformer and can i use a transformer from a TV or stabiliser | ||
| SIR i need the circult for a 12VDC to a 220VAC inverter and i would appreciate it if you shed more light on how exactly one can rewind a transformer and also common sources(like TVs) of the components especially the transformer | ||
| I want to convert 12V DC to 230V AC.pls help me. | ||
| Sir, I wish to get a detailed circuit diagram from 12V to 230V ,100Watt power output inverter. I shall remain highly oblidged if you send me the circuit diagram. Is it possible to make it fully autimatic? Please suggest me Thanking you | ||
| How i can adjust Frequency according to standard 50-60 HZ. | ||
| Just want quick answer. Sine, Square, or semi sine? | ||
| PLEASE PROVIDE ME A 12V TO 220V INVERTER OF ABOUT 1000W IT WILL BE MY GREAT PLEASURE IF U DO THAT FOR ME. BY THE WAY I AM FROM THE PHILS,. THATS WHY I NEED 22OV OUTPUT OF THIS PROJECT | ||
| i need a 12vdc to 220vac inverter schematic diagram for my project. | ||
| if you were kind enough to show me a cicuit that would generate a 220V AC from an input of 12V DC, i would gladly appreciate those. i'm begging ou please help me with my project in school, because its a thesis and it is a graduation matter. SO PLEASE LEND ME YOUR HELP PLS! PLS! | ||
| i want to convert 12vdc to 230vac inverter | ||
| iwant this circuit diagram and it's discription | ||
| can i use a 12-0-12 220 volt transformer (Editor's notes: See notes.) |
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| dear can u send me more details of this circuit | ||
| I think this design is a piece of crap! I've blown more $10 caps than I can count. | ||
| Dear Sir, I just want a circuit of re-chargable 12VDC to 220VAC1000 watt Inverter which work according to main supply cutoff itgive the output for a long time or when main supply again start then it just re-charge the battary(like UPS). So,please show this circuit as soon as possible Thank you Viewer | ||
| I am just thinking that the rectification might not be efficient with this design.Can you shed more light on that stage? | ||
| can i use this output voltage to power a 110v,4amp cpu | ||
| i need this circuit diagram i.e. 12v dc to 220v ac inverter | ||
| schematic diagrams and printed circuit board design.thanks | ||
| pls i need a cct diagram for a microcontroller inverter based on 2kva and its whole documentation | ||
| ALGUIEN PUEDE DECIRME ALGUN EQUIVALENTE AL DIODO HEP 154 GRACIAS | ||
| as circuit shows that the frequiency of out put is changed due to change in supply of the circuit . | ||
| can we use a 12-0-12 transformer in place of T1 | ||
| well please what i want to asked is that apart from the soula panel we use to charge a batter so do we have diffrent system to charge...thank you... | ||
| wheres is the snubber circuit across transistors ? you need output filtering too . you may use integrated circuits to generate the chopping pulses driving the bipolar transistor if you seek the accuracy. | ||
| it is nice | ||
| i want something that carry full duplex | ||
| there some componet that's not available in nigeria, i think ther should be equivalent for the project | ||
| please iam astudying in ramat polytechnic maiduguri ,BORNO STATE OF NIGERIA so that I request you to help me. | ||
| pls can someone provide me with 12v to 240v inverter . please. | ||
| in pure sine sine wave how we desgin this alhoughit is not possible | ||
| sir, we are engineering students of annauniv. chennai, india. can u able to tell me the specifications of Q1,Q2 and the voltage range of the microwave transformer T1 for the output voltage of 230V AC. | ||
| help me please to make inverter 24 vdc to 220 vac with cap 1500 watt and it can suplay motor electrik like Air conditio | ||
| is this project work properly? (Editor's notes: No. See the forum topic linked in the Notes.) |
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| need to no more | ||
| dc to ac inverter (Editor's notes: Yes, yes it is.) |
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| THIS INVERTER IS VERY SIMPLE TO PUT UP.ANY AMATEUR HOBBYIST CAN DO IT.FOR ME,EFFICIENCY SHOULD BE CONSIDERED BEFORE MAKING ONE.THIS ONE IS A MEDIOCRE PERFORMER. | ||
| i want to invert 1000watt | ||
| I TRIED YOUR INVERTER IT WORKED BUT THE CAPACITOR EXPLODE I TRIED TANTALUM CAPACITOR IT DIDNT WORK IT EXPLODE FINALY I TRIED TO PUT A REGULAR CAPACITOR 220 UF 200 V IT WORKED BUT THE CAPACITOR EXPLODE AFTER 2 HOURS. THIS INVERTER DOESNT MADE 300 WATTS IT JUST MADE 40 WATTS WITH THE TRANSISTOR 2N3055.SO I PUTT 2 OF 2N3055 ON EACH SIDE AND I GET 80 WATTS. SO YOU HAVE TO PUTT MORE EXPLANATION ON YOUR INVERTER BECAUSE IT IS EXTREMLY BAD AND IT DOESNT DO 300 WATTS. SO IF YOU WANT TO MAKE 300 WATTS YOU HAVE TO USE 14 TRANSISTOR 2N3055 ,7 ON EACH SIDE. (Editor's notes: Read the forum topic linked in the Notes.) |
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| help me to invert like 400w | ||
| Can i please get the circuit design of a 12vdcTo220vac and the specification of the component involve? i will like to give the construction a trial. | ||
| HOW LONG WILL THE GAGGET WORK AND HOW IS IT POSSIBLE TO BULID SOMETHING OF HIGHER CAPACITY, LET SAY 220VAC, 5000W, 50-60Hz? (Editor's notes: No.) |
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| theory of components and values | ||
| hay the ckt operates but the output wae form is not sine so ,,,if have any idea about plz share | ||
| if you were kind enough to show me a cicuit that would generate a 220V AC from an input of 12V DC, i would gladly appreciate those. i'm begging ou please help me with my project in school, because its a thesis and it is a graduation matter. SO PLEASE LEND ME YOUR HELP PLS! PLS! (Editor's notes: See the topic on the forum linked to in the Notes section.) |
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| HOW LONG WILL THE GAGGET WORK AND HOW IS IT POSSIBLE TO BULID SOMETHING OF HIGHER CAPACITY, LET SAY 220VAC, 5000W, 50-60Hz? | ||
| help me to invert like 400w | ||
| Dear Sir, i'm pleased with your explaination but still confuse on how see inverter of output 220VAC and input 12VDC rated 5kva working. Please help me with circuit diagram | ||
| iwant yoar hariper circuit 12vdc to220v AC Plese iam student ineed morer toharp m e thanks | ||
| Dear Sir, I m a Elec eng.. prof. i want to make a circut of interver with the input of 3 V DC to output 230 V DC at 50 Hrz freq. at only 5 W power output. kindly help me regards, raja jain | ||
| How many Hertz out put in your circuit ? how to change frekwensi ? | ||
| Thank you very much for your information. Your circuit is realy good for me. What will happen if I use NPN Transistor ? | ||
| I would like to know in details abouyt the operation of this specific inverter.Please include,block diagramms.Thank you. (Editor's notes: Your best bet is to ask technical questions in the forum instead of here.) |
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