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ferrite core base hf light weight 50hz invertor

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anan1975

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50hz ferrite

hi,
i tried a ckt to make light weight ferrite core base hf 50 hz invertor.first i converted 12 v dc to 350 v dc with a center tapped ferrite smps transformer with push pull tolology and hf switching.after that i converted this 350 v dc to a square wave 50 hz op with H bridge.But even after using currentt limit circuit to the outputs the mosfet of the H bridge circuit always burns off suggest any remedy to protect H bridge mosfets.

Anand
 

ferrite invertor

It's a standard inverter topology. If not a general overload problem, a gate driver issue can be expected.
How do you achieve current limiting?
 

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