摘要
高功率因数异步电动机的定子嵌有2套三相对称绕组,由于这2套绕组以自耦升压方式连接,其电磁关系与普通异步电动机有明显不同。从电压电流基本关系和单元电机2种途径获得了电机电磁转矩公式和等值电路,并进行了讨论。
There are two three-phase symmetrical windings in the starer of asynchronous motor with high power factor.The electromagnetical relations of this motor is very different from that of general asynchronous motor because the two starer windings are auto-coupled for raising voltage.The electromagnetic torque formula and equivalent circuit are obtained from the basic relation of voltages and currents,or by using the model of unit motor.Some discussion are conducted.
关键词
电磁转矩
异步电动机
高功率
asynchronous motor with high power factor
electromagnetic power
electromagnetic torque
unit motor
