DC-AC Conveter ina Half bridge

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jean12

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View attachment Half Bridge.zipHello,there can any one help me to think on this schematic ;I implemented the half-bridge for converting dc-dc (12V-420V);now I want to convert the 440V into 240AC through those two MOSFETS IRFP460 I am planning to take the gate signal of those two MOSFET on the same PIC16f1827;

The capacitors are of 450V.

What frequency of the gate control I must use?
View attachment Half Bridge.zip
can you please advice me on how to do?

Thanks
 

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