小电流接地选线系统 the little current ground connection system
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小电流接地系统发生最多的故障是单相接地故障。
Most faults in power distribution systems are single phase to ground faults.
阐述了小电流接地系统接地的特点并对其故障现象进行分析、判断。
The characteristics of ground-fault of ungrounded system are given and the faults symptom is analyzed and judged.
针对中性点经消弧线圈接地的小电流接地系统，设计了一套单相接地补偿及选线的微机保护装置。
Aim at an-arc suppression reactor earthing power system, we design a suit of microcomputer system for compensating single-phase earthing current and selecting line.
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