AB产品1769-L35E

1769-L35E

供电方式：直流电机需要直流电源来供电，而交流电机需要交流电源来供电。直流电源是指电压和电流都是单向的，而交流电源则是指电压和电流都是交替变化的。

　　构造：直流电机的构造比较简单，通常由电枢、永磁体和换向器等组成；而交流电机的构造相对复杂，通常由定子、转子、励磁系统和控制系统等多个部分组成。

　　工作原理：直流电机的工作原理是基于洛伦兹力的作用，即在磁场中的导体受到电流作用后，会受到一个力矩，从而转动电机。交流电机的工作原理则是基于旋转磁场的作用，即通过定子上的三相绕组，在交流电源的作用下形成旋转磁场，从而带动转子转动。

　　调速方式：直流电机的调速比较灵活，可以通过调节电枢电压、永磁场强度和换向器的工作方式等来实现；而交流电机的调速相对困难，通常需要通过变频器等外部装置来实现。

　　综上所述，直流电机和交流电机的供电方式、构造和工作原理等方面都存在较大的差异，因此在实际应用中也存在着较大的差别。

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