描述

如何根據(jù)通電相判斷內(nèi)轉(zhuǎn)子的旋轉(zhuǎn)方向

在上圖的（a）中，AB相通電，用右手定則可以判斷出兩個磁場Ψ1和Ψ2的方向,兩個磁場矢量的矢量和的方向由下垂直向上。

由下向上的磁場，等效的效果可以想象成一個N極和S極分離的磁鐵，這個磁鐵的N極在下面S極在上面（磁場由N極出發(fā)歸于S極）。

這時候你腦袋里應(yīng)該沒有線圈只有兩組磁鐵。一個磁鐵就是內(nèi)轉(zhuǎn)子，一個磁鐵是C處的N單極磁鐵和C’處的S單級磁鐵，這個時候安照異性相吸同性相排斥，你說內(nèi)轉(zhuǎn)子會怎么轉(zhuǎn)呢？？？

這里有您急需的停產(chǎn)備件，

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