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好吧问答库 > 电机的极性（2极，4极，6极）是何含义？

电机的极性（2极，4极，6极）是何含义？

2025年04月07日 09:10

有1个网友回答

网友（1）：

电动机磁极数量，由电动机的极数可以计算出电动机的同步转速。
电动机同步转速=频率（50）*时间（60秒）/电动机磁极对数
电动机磁极对数=电动机极数/2
所以：2极电动机的同步转速=50*60/（2/2）=3000转/分钟
4极电动机的同步转速=50*60/（4/2）=1500转/分钟
6极电动机的同步转速=50*60/（6/2）=1000转/分钟

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