... 1.Closed-loop vector control 2.Voltage : 220V,380V,660V 3. 0.75~1000kW (>/=355kW is v/f control) WIN-VC frequency converter with ... Closed-loop vector control Power rangeVoltage : 220V,380V,660V ... function.4 modes of control available: V/F control, V/F with PG, seedless sensor vector control, vector control with PG. High boosting torque ...