Zero-sequence transient energy is calculated for low earthing resistance and single-phase transient energy for high earthing resistance.
并且根据接地电阻的大小选择不同的暂态能量算式，故可判断金属性接地故障和高接地电阻接地故障。
Zero-sequence transient energy is calculated for low earthing resistance and single-phase transient energy for high earthing resistance.
并且根据接地电阻的大小选择不同的暂态能量算式，故可判断金属性接地故障和高接地电阻接地故障。
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