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单相电动机的极数什么意思
更新时间: 2020-09-28 00:00:00  

极数,是指定子磁场磁极的个数,即是线圈绕出,通电后产生磁场感应出磁极的个数。

定子绕组的连接方式不同,可形成定子磁场的不同极数。选择电动机的极数是由负荷需要的转速来确定的,电动机的极数直接影响电动机的转速。电动机的电流只跟电动机的电压、功率有关系。

关键词: 电动机 什么 意思

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