51401291-100

51401291-100

51401291-100

当直流发电机被启动时，电源将馈入独立的直流电压到定子上，建立一个初始的磁场。转子上的磁力线将穿过由定子绕组产生的磁场，从而导致绕组中的电流流动。由于定子绕组中的电流流动方向与动磁场的方向相反，所以定子绕组中的电流将反转磁场，使得转子上的磁场线更加集中，并产生一个“反电势”。此时，由刷子轻轻刮过定子上的绕组，将转子上的交变电势传递给负载，这就是直流发电机输出的电压。需要注意的是，在正常工作过程中，定子上的磁场是通过定位的外部电路提供的，例如，用磁铁或激磁线圈产生的磁场。

　　总之，直流发电机的原理是在一个旋转的磁场中提供一个固定的电势，通过刷子将电势传递给负载，实现对负载的电源供应和控制。一般来说，直流发电机也需要控制器和调节器等辅助设备来进行电流和电压的控制，以满足各种工作条件的要求。

51401291-100

GE Fuse 9F60LJD804 60HZ 4R

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Gang Saw, Schurman Machine Mod 6DAV24