... voltage vector PWM modulation technology, has over-modulation function, high voltage-utilization, low output harmonic, and it greatly improves ... 4.Vibration: <0.5G Scope of application: ZVF9V-G series frequency inverter applied at the metallurgy, plastomer,textile, food-stuff,petroleum, ... for driving and speeding control of AC asynchronous motor. variable frequency drive with vector control output ...