施耐德TSXDMY28RFK
TSXDMY28RFK同步电机为什么要励磁
同步电机需要励磁的原因主要有两个:
产生转矩:同步电机的转速是由外部电源的供电频率和电机的极数决定的,如果电机的转速与外部电源的供电频率不同,则会出现转速不稳定的现象。为了避免这种现象的发生,同步电机需要产生一个额外的磁场来产生转矩,从而使电机转子始终与磁场同步运动。这个额外的磁场就是通过励磁来产生的。
TSXDMY28RFK
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