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

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。

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

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。

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