... : 220V,380V,660V 2.Single-unit power: 0.75-1000KW(obove 355KW is v/f control ) 3.High performance closed loop ... : 220V,380V,660V2.Single-unit power: 0.75-1000KW(obove 355KW is v/f control )3.High performance closed ... control, speed control, slip compensation, torque compensation, moment control, servo control, autotuning and parameter copy.3. Four control modes for option: V/F control, V/F control ...