ac drives, CHV series medium voltage (690/1140V) h

Technical Features 1.Input: 3AC 660V/1140V,50Hz 2.Control mode: Sensorless vector control, vector control, torque control, V/F control. 3.Start-up torque: 0Hz/180% (VC),0.5Hz/150%(SVC) 4.Soft-start and soft-stop with heavy load. 5.S-curve: smoothly start the motor. 6.Up to 27 kinds of protections: Over-current, Over-voltage, Over-load, Short-circuit, etc.7.Offer optional extension card. 8.Explosion-proof design is alternative. Application 1.Mine working machines: Belt Conveyor, scraper conveyor, Coal feeder machinery, pump, fan, etc. 2.Oilfield Machinery: Oilfield Machinery, Electrical submersible pump, etc.