AC output part MOS tube/IGBT module exploded of BP Series/ BPlus Series/ Helios II Series


BP series pure sine wave inverter/ BPlus Series pure sine wave inverter/ Helios II Series off grid solar inverter


AC output part MOS tube/ IGBT module exploded. AC output part driver board, corresponding resistances and PCB board were damaged.

Fault Causes

AC output was connected with grid.

Solutions and steps

Change MOS tube/IGBT module, AC output part driver board, damaged resistances and PCB board.