AB电机MPL-B520K-SK72AA

MPL-B520K-SK72AA

笼型异步电动机的转子是由一组导体（通常是铝或铜条）固定在转子轴上，形成一个笼状结构；而绕线型异步电动机的转子则是由绕制在转子上的线圈组成，线圈固定在铁心上，与转子轴一起旋转。

工作原理不同：笼型异步电动机的转子是一个导体笼，当电流在定子绕组中产生磁场时，磁场会作用于转子中的导体，产生感应电流，导致转子旋转；而绕线型异步电动机的转子则是由绕制在转子上的线圈组成，当电流在定子绕组中产生磁场时，磁场会作用于转子上的线圈，产生转子磁场，导致转子旋转。

启动和运行特性不同：由于绕线型异步电动机转子上有线圈，因此电机转子旋转时会有的自感作用，启动时需要较大的启动电流和启动转矩，同时运行时也会有的转子电阻和电感损耗，效率较低；而笼型异步电动机由于导体笼没有电感，因此启动和运行时的电流和转矩均较小，效率较高。

维护成本不同：由于绕线型异步电动机转子上有线圈，因此在高速运行时可能出现线圈振动、断裂等故障，需要较高的维修成本；而笼型异步电动机的转子结构较简单，维修成本相对较低。

鼠笼型电机转子绕组由铝条或铜条与短路环焊接或铸造而成；绕线式转子的绕组和定子绕组相似，三相绕组连接成星形，三根端线连接到装在转轴上的三个铜滑环上，通过一组电刷与外电路相连接。当短接转子绕组的三根线时，可当鼠笼电动机使用。

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