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pradeep kr sahu Posted - Feb 25 2011 : 01:14:32 AM
i hav made 12vdc-120vac ,300 watt inverter.it working in good conditon. my project presentation is on 2nd march 2011 and i do'nt know the working principle/operatin of it, so plz anybody help me plzzzzzzzzzzzz.my emailid is- pkrsahu123@gmail.com
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Aaron Cake Posted - Feb 27 2011 : 10:24:47 AM
It sounds like this is a school project? As with any circuit, to understand it, you need to break it down into smaller circuits. Most inverters have an oscillator section, a driver section, and then a power section. In the schematics these normally progress from left to right. The oscillator is usually one or more ICs, then the driver section generally conditions and inverts the waveform, then the power section consists of MOSFETS or transistors that drive the transformer. Break the circuit down into each section and look up each in turn using the Google. Pull datasheets for any ICs and transistors/MOSFETs used so you can understand the signals they need to be fed.
audioguru Posted - Feb 25 2011 : 10:21:06 AM
Which circuit did you make? Please attach its schematic and parts list.

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