常见三相电机的出线方式

2025-04-07 07:19:35
推荐回答(2个)
回答1:

随便拿一跟线当做1号,依次往下是2.3.4........12号,第一组1-4-7-10连接,第二组2-5-8-11连接,第三组3-6-9-12连接  注意是那种接线看是三角形还是星形

六根的线按铭牌可以直接接成三角形和星形,见下图

电动机定子三相绕组首尾端的判断: 

(1)用万用表“Ω”档先确定哪两个头属于一相绕组。 

(2)每相绕组中任选一个头连接在一起,再把其余三个头连在一起。然后将万用表的直流毫安档连在节点之间,用手转动电动机转子:①若表针不摆动,表示两个节点分别为各相绕组的首尾。②如果表针摆动,表明节点中有首尾混在一起的。此时,可将任意相绕组的两个头对调,再测一次。若表针仍摆动,再将另外一相绕组的两个头对调,再测。若表针还摆动则将第一次对调的两个头调回即可(直到表针不摆动为止)。

回答2:

三相电机san xiang dian ji是指当电机的三相定子绕组(各相差120度电角度),通入三相交流电后,将产生一个旋转磁场,该旋转磁场切割转子绕组,从而在转子绕组中产生感应电流(转子绕组是闭合通路),
随便拿一跟线当做1号,依次往下是2.3.4........12号,第一组1-4-7-10连接,第二组2-5-8-11连接,第三组3-6-9-12连接 注意是那种接线看是三角形还是星形
六根的线按铭牌可以直接接成三角形和星形,见下图
电动机定子三相绕组首尾端的判断:
(1)用万用表“Ω”档先确定哪两个头属于一相绕组。
(2)每相绕组中任选一个头连接在一起,再把其余三个头连在一起。然后将万用表的直流毫安档连在节点之间,用手转动电动机转子:①若表针不摆动,表示两个节点分别为各相绕组的首尾。②如果表针摆动,表明节点中有首尾混在一起的。此时,可将任意相绕组的两个头对调,再测一次。若表针仍摆动,再将另外一相绕组的两个头对调,再测。若表针还摆动则将第一次对调的两个头调回即可(直到表针不摆动为止)。

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