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众所周知，就电力系统接地而言共有５种，即：１工作接地即在电力系统中运行需要的接地，如中性点接地、零线接地、重复接地。２保护接地即指电力设备的金属外壳、钢筋混凝土电杆和金属杆等由于绝缘损坏可能带电，为防止这种电压危及人身安全而设的接地。保护接地包括...
As we all know, in terms of power system grounding in a total of 5, namely: 1 working ground that is needed in the power system grounding, such as neutral grounding, zero line grounding, repeated grounding. 2 protective grounding refers to the metal shell of electrical equipment, reinforced concrete poles and metal poles may be charged due to insulation damage, in order to prevent such voltage grounding and personal safety. Protective grounding includes ...