异步电机相量合成调速方法的研究

Research on Asynchronous Motor Resultant Phasor Speed-governing Methods

采用调节电势相量近于圆形的副绕组方式,以双磁路的相量合成作用使其笼型转子的电势变化,从而改变其转速;对三相绕组进行瞬间相量合成的压差控制方式,实现其电磁能量易于回馈的变频调速。

By adjusting the secondary winding whose potential phasor approximated to circularity, with the double magnetic circuit phasor resultant action, the potential of the cage rotor is shifted to change the speed by adopting mode of the transient resultant phasor difference of voltage control on three-phase winding, the frequency-conversion speed governing is realized, whose electromagnetic energy is feasible to feedback.