... motors of fans, pumps, compressors, mills, conveyors and lifts 1. Variable Frequency Drive characteristicsVFD is a masterpiece of outstanding performance and ... , 10, 11 kV output, no output up-transformer required. Integrated dry type phase-shifting transformer design. The user only connects input/ output ... Pass Filter Fan, Kiln. Mining: Conveyor, Lift, Pump. Water: Pump. variable frequency convertor