To avoid happen failure or remove hidden trouble as soon as possible, Single-phase earth fault of low current earth system is analyzed and discussed in-depth in this text.
为了避免故障的发生或故障后尽快消除隐患，本文就小电流接地系统单相接地故障进行了深入的分析与论述。
Low current earth system goes wrong, and type of failure of the maximal odds is Single-phase earth fault, which occupies 80 percent of all fault time.
单相接地故障是小电流接地系统发生几率最高的故障类型，约占所有故障次数的80%。
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