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I need an inverter of 2.5kkva, 220v output, 50Hz with a Vcc of 12v. its working. Maybe with 555 timers IC.?

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I need an inverter of 2.5kkva, 220v output, 50Hz with a Vcc of 12v. its working. Maybe with 555 timers IC.?

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  1. 2.5kkva = 2.5MVA. They don't make them that large.

    But buy one. The design is complicated, you need a special transformer, power transistors, heat sink, high frequency diodes, etc.

    Be careful of watts vs VA. The inverters have both specs. The watts or kW is the important one, unless you are driving a 220 volt motor.


  2. Generating the frequency will be the least of your problems, switching some 200A at 12V and the transformer will be a bigger problem, especially the transformer, you may well be better off buying a ready made unit.
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