Large content hydroelectricity set should use AC-ACfrequencyconverter.
大容量水电机组宜采用交-交变频器。
2
The paper thoroughly introduces the ac-acfrequencyconverter in driving system of asynchronous motor for underground coal mine explosion-proof winder.
本文对一种用于煤矿井下防爆绞车驱动的交交变频器——鼠笼式异步电机传动系统做了全面的介绍。
3
The single AC power input voltage frequency, the internal AC to DC after; DC converter rectifier exchange conversion, self-produced - very stable, pure sine wave.