Battery connected oppositely reverse, fuse and Mosfet damage of the inverter

Battery connected oppositely reverse, fuse and Mosfet damage of the inverter

Model

BP series pure sine wave inverter


Description

The battery was connected oppositely, leading to blowout of fuse and damage of AC output part MOS tube. 


Analysis of the possibility of the cause

The positive and negative pole of DC battery was connected oppositely. 


Solutions and steps:

Change fuse and MOS tube.