电力操作电源是发电厂、变电站中重要的二次设备，为控制负荷与动力负荷提供直流电源。

As important devices, power operating supplies provide DC power for loads in power plants and substations.

youdao

电力操作电源是发电厂、变电站中重要的二次设备，为控制负荷与动力负荷提供直流电源。

As important devices, power operating supplies provide DC power for loads in power plants and substations.

youdao