... voltage vector PWM modulation technology, has over-modulation function, high voltage-utilization, low output harmonic, and it greatly improves ... Vibration: <0.5G Scope of application: ZVF9V-G series frequency inverter applied at the metallurgy, plastomer,textile, food-stuff,petroleum, ... and speeding control of AC asynchronous motor. frequency inverter with vector control output frequency 0.00hz--600hz