DO571  

交流電機的結構一般包括以下幾個主要部分：

　　1、定子：交流電機的定子是由鐵心和繞組構成的。定子的鐵心是由硅鋼片組成，鐵心的作用是產生磁通，將電能轉換為磁能，從而在電機內部形成旋轉力矩。繞組則是定子的主要電氣部件，它們被包裹在鐵心的凸起部分上，并與電源相連接，通過定子的電流產生磁通。

　　2、轉子：交流電機的轉子通常采用鋁合金或銅合金等導電材料制成。轉子是交流電機內部的旋轉部件，當定子電流產生磁通時，磁通將作用在轉子上，從而產生旋轉力矩，使電機轉動。

　　3、軸承：交流電機的軸承主要負責支撐電機的轉子，使其在運轉中保持平穩。軸承通常由鋼制材料制成，具有較高的硬度和耐磨性。

　　4、端蓋：交流電機的端蓋通常位于電機的兩端，用于保護電機內部的部件不受外部環境的影響，同時也方便電機的維護和檢修。

　　5、風扇：交流電機的風扇通常安裝在轉子上方，用于冷卻電機內部的部件，以保證電機的正常運轉。

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