AC output part MOS tube/IGBT module exploded of BP Series/ BPlus Series/ Helios II Series
Model
BP series pure sine wave inverter/ BPlus Series pure sine wave inverter/ Helios II Series off grid solar inverter
Description
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.
