Apc Ups

August 11th, 2013

how can i make a dc to ac power inverter out of an ac to dc converter?

i would like to know how to make a dc to ac inverter out of an ac to dc converter?

You probably could if you had a lot of time on your hands and a large supply of low voltage high current power FET's such as the IRFZ44 and a handful of high voltage moderate current power FETs such as the IRF630. If you're harvesting parts, APC UPS's will have suitable transistors and are likely to only have dead batteries. You'll want larger heat sinks for continuous use. One inverter transformer that I disassembled used copper foil instead of wire for the primary.

The resource below is from someone who has spent far more time on power inverter circuits than I have and includes a reverse engineered schematic of a commercial product that appears to be accurate.

Don

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