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Hello Guyz,

i am haveing lots of troules with the power company its always out so i plan to build an Inverter i bought one 500W inverter japanese made with 2 IRFP054 MOSFET but 500W is not enough for me so im planing to increase the MOSFET  to 8 total 4 each side ther are lot of space in the heat sink will it wiorks?

plase let me know your openions

ACDC

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Of course you will need to increase the size of the battery, the transformer, the power switch, the fuse and all the wiring between them.
The product was built with a big heatsink for a good reason. Maybe it can cool only two Mosfets when they are at max power.
Mosfets have a high input capacitance so their driver parts will need to drive a much higher capacitance quickly, or the Mosfets will get hot.

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