Like any generator of electric power, a network of power provides energy to the apparatuses users by the intermediary of the tensions which it maintains on their terminals.
像任何电力发电机一样，电力网络通过他们终端机上的电压调节器给仪器使用者提供能量。
A novel measuring method of electric network impedance based on the energy function of port signals is described, and its application in electric power equipment is discussed.
用电能计量仪表同时测量电力设备接口处电压信号和电流信号的能量，可以计算出设备的等值阻抗。
Facing the alarming situation on the shortage of electric power, we have analyzed the existing problems in both electricity supplying network and electric energy resources.
面对严重的缺电局面，分析了目前电网和电源两方面存在的问题。
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