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kakumi
New Member
Malaysia
2 Posts |
 Posted - Nov 21 2013 : 01:35:05 AM
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| Hello everyone, I'm doing my final project about using a rainwater to drive the turbine and rotating the motor then creates electrical energy.The DC output may be vary depend on the amount of rainwater that present.That the basic idea.My question is about the power inverter which suitable to light on the house lamp. Since I want to make the prototype as small as possible as long can light on the lamp do you guys have any suggestion regarding which motor suitable for the input power,also which type of circuit diagram for power inverter suitable for my project. I'm searching and asking all the people that I knew better in this field but I'm still not satisfy with their answer.Hope I can get new opinion here,ty. Give me a feedback guys. |
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audioguru
Nobel Prize Winner
Canada
4218 Posts |
Posted - Nov 23 2013 : 09:17:27 AM
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You need POWER to drive a turbine generator to make electricity.
But rainwater does not produce much if any power.
Do you have a huge rainwater collection lake?
Do you have a high place from where the water makes a river or waterfall?
How much electrical power (Watts) is used by your "house lamp"? |
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Aaron Cake
Administrator
Canada
6718 Posts |
Posted - Nov 23 2013 : 10:35:16 AM
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| Basically what he said. You're going to need a large amount of rainwater at a large "head" (height above the turbine) to produce very much power at all. A 55 gallon drum on the second floor of a building will probably produce a few watts until the drum is about 1/4 full. Might be useful for LEDs but only the tiniest incandescent. |
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kakumi
New Member
Malaysia
2 Posts |
Posted - Nov 27 2013 : 05:02:27 AM
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Hello guys,The roof of the house will be function as water collection.It suppose using PVC tube function as gutter probably around 25 feet high may be uses to guide the water flow through the turbine.But,for the prototype,my supervisor want me to make it as small as possible as long it can light up the lamp that range between 18watts-23watts.I'm concerned about my design,is that possible to create a small prototype for this kind of power generation?I want to ask the webmaster, can your circuit diagram title 12v dc to 120v ac function as my power inverter? If can,can that circuit function at below 12v power in input?Or it necessary must use 12v as input source?my load will use only 18watts-23watts.Thank you for any opinion,I really appreciate it guys. |
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Aaron Cake
Administrator
Canada
6718 Posts |
Posted - Nov 30 2013 : 10:25:26 AM
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| If you want to obtain around 30W from your turbine, you need to be as efficient as possible which is NOT the inverter on this website. You'll want a switch mode inverter. But more to the point, unless you have a LOT of rain and you can store a bunch of it at a height of 25 feet, you won't be able to extract 30W. Instead of upping it to 120V, why not power a load at the voltage put out by your turbine? |
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Rainfall Power Generation
