The way of neutral grounding in 380V LV distribution system was introduced and the characteristics of grounded and non grounded systems were analyzed.
本文介绍了380V低压配电系统中性点的接地方式，分析了接地与不接地系统特性。
Compared with neutral ungrounded power system, ferroresonance overvoltage occurred in neutral grounded power system has more new features, and the research about it is much.
相对于中性点非直接接地系统而言，发生在中性点直接接地系统中的铁磁谐振过电压有着许多新的特点，而且对它的研究相对较少。
In this paper, the effect of the neutral grounded by the low reactance on switching over-voltage in the power system is studied.
文章就中性点小电抗的接入对系统的操作过电压的影响进行了研究。
This paper proposes effective methods to detect most kinds of faults occurred in transmission lines which are in effectively neutral grounded system.
本文针对中性点有效接地系统的送电线路的绝大部分故障类型提出了有效的检测手段。
The authors propose a constant pulse method to control the chaos of ferroresonance in neutral grounded system.
提出了常值脉冲法对中性点接地系统所发生的铁磁谐振混沌状态进行抑制。
The neutral of system is generally indirectly grounded in power distribution network in China.
我国配电网一般采用中性点不直接接地方式。
This paper proposes a new method for the fault line and fault area detection in radial neutral-point resonant grounded system.
提出了一种针对辐射状谐振接地系统确定单相接地故障线路及故障区域的新方法。
When single-phase-to-earth fault occurs on a neutral non-direct grounded power system, it is nexessary for improving the reliability of power supplying to select the faulted line quickly.
中性点非有效接地配电网发生单相接地故障时，尽快选出故障线路对提高电网的供电可靠性有重要意义。
This paper has derived calculating formulas of arbitrary two point faults in neutral non-grounded power system by bus impedance matrix. An example of calculation is carried out with IBM computer.
本文推导出用结点阻抗矩阵进行中性点不接地系统中任意两点异相接地故障计算公式，并编制程序在IBM机上调试通过，最后进行了算例分析。
This paper has derived calculating formulas of arbitrary two point faults in neutral non-grounded power system by bus impedance matrix. An example of calculation is carried out with IBM computer.
本文推导出用结点阻抗矩阵进行中性点不接地系统中任意两点异相接地故障计算公式，并编制程序在IBM机上调试通过，最后进行了算例分析。
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