1·A new control scheme of three phase voltage source PWM rectifier is presented.
提出了一种新的三相电压型PWM整流器控制方案。
2·Based on operation parameters of a three phase induction motor at duty type S1, this paper deduces the thermal state of this motor with constant output at duty type S7.
主要介绍一种依据一台三相异步电动机在S1工作制下的运行参数推断该台异步电动机容量不变时在S7工作制下发热情况的方法。
3·Three phase inverter can take pump or lift, and other industrial use, more safe and stable.
三相逆变器可带载水泵或者电梯等工业设备，更安全稳定。
4·Three phase, wheel, DC fan-cooled, heavy duty.
三相，有轮，直流风扇冷却，高暂载率。
5·This paper discusses the application of clock representation in three phase transformer connections and other fields.
论述了“时钟表示法”在三相变压器联接组别和在其他方面的应用。