As for the problem the high current and the vibration of the torque, the double closed loops which include the current and power factor Angle are worked out.
对于电动机起动需要控制起动电流和转矩震动的问题，采用双闭环的控制方案，即电流闭环控制和功率因数角闭环控制。
This paper discusses the basic principle which the inverted firing angle of thyristor inverter has the influence on power factor of a cascade connected device.
本文论述了可控硅逆变器逆变角影响串级调速装置功率因数的基本原理。
Based on equivalent circuit of asynchronous motor in stable state, the relationship between power factor and slip Angle frequency was deduced.
从异步电机的稳态等效电路出发，推导出了功率因数与转差角频率之间的关系。
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