main protection earthing point 主保护接地点
neutral point earthing [电] 中性点接地
Earthing reference point 接地基准点
earthing resistor of neutral point 中性接地电阻
neutral-point earthing 中性点接地
point earthing 点接地
one-point earthing 单点接地
one point earthing 一点接地
The signal of DC can only flew from the injection point and the earthing point,so the method can settle all the faults of the single-phase-to earth,such as large resistor,fault line with long and short branches,and et al.
直流信号仅在注入点和接地点之间形成回路,定位可靠性高,可以解决一切单相接地故障的定位问题。
参考来源 - 中性点非有效接地系统单相接地故障定位方法的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Lightning electricity is collected in the base of engine, transmit to tower, from the tower to the base, and by earthing point to earthing net.
汇集到机舱底座的雷电流，传送到塔架，由塔架本体将雷电流传输到底部，并通过接入点传输到接地网。
This paper presents the principle improvement of time sequence rotor one point earthing protection.
论述了乒乓式转子一点接地保护的原理改进方案。
It is the key point to judge whether the earthing protective system of an elevator can he approved. Present paper analyses the working principles of three diff...
本文通过对三种不同接地保护系统工作原理的分析，指出实现零线和接地线应始终分开的正确方法。
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