This paper proposes a new method of sensorless vector control for induction motors, in which the motor speed is estimated by both instantaneous reactive power and variation of magnetizing current.
提出了一种异步电机无速度传感器矢量控制的新方法，用瞬时无功功率和励磁电流变化来估计电机转速。
2
A new starting method for SCR induction heating inverter with series parallel resonant load, named as magnetizing to the load, is developed.
提出与研究了具有串并联谐振负载的晶闸管中频电源的一种新启动方法——负载充磁启动。
3
In this paper, a new method of identifying magnetizing inrush currents based on features of flux locus is presented.