1. Navida

    Have a trouble figuring whats wrong in the 220v inverter.

    Hi, I made the inverter circuit as shown. But I used irfz44n Mosfet and a 7.6 - 0 7.6v transformer. First to make sure the circuit was working I tried with a 9v battery and then got the output of 121v. Then I connected to a used hybrid battery pack of around 15.8v. Suddenly a spark came from the...