... medium voltage input and output IGBT power units in series to obtain MV by means of overlap wave Up ... , circulation pump, etcUrban water supply: Water delivery pump, water intake pump, water supply pump, sewage treatment industry, self-fractionating pump etcMinerals & Mining: Mud pump, ventilation fan ... :1. Wanlida MV VFD employs IGBT power units in series, obtaining MV by means of overlap wave, so it ...