CHV medium voltage inverter (ac drives) utilize advanced fiber optic ... mode: Sensorless vector control, vector control, torque control, V/F control.3.Start-up torque: 0Hz/180% (VC ... Up to 27 kinds of protections: Over-current, Over-voltage, Over-load, Short-circuit, etc.7.Offer optional extension ... submersible pump, etc. ac drives, CHV series medium voltage (690/1140V) high performance explosion-proof