• The authors propose a constant pulse method to control the chaos of ferroresonance in neutral grounded system.

    提出常值脉冲中性点接地系统所发生铁磁谐振混沌状态进行抑制

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  • There are several factors affecting neutral grounded transformers, among then, ground potential rise is most important.

    中性点接地变压器的影响因素包括多个其中主要的电位

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  • In this paper, the effect of the neutral grounded by the low reactance on switching over-voltage in the power system is studied.

    文章中性点电抗接入系统操作过电压影响进行了研究。

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  • 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送电线路绝大部分故障类型提出有效检测手段

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  • Ferroresonance due to the saturation of PT magnetizing characteristics is frequently reported to happen on the busbars of neutral grounded substations.

    由于母线PT励磁特性非线性,铁磁谐振频繁发生中性点接地变电站的空母线上。

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  • 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.

    相对中性点非直接接地系统而言,发生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研究相对较少。

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  • The abnormal phenomenon of long time higher neutral voltage shift in a substation is analyzed, which is grounded through arc suppression coil.

    针对变电所弧线接地系统正常运行情况下中性点位移电压时间偏高现象进行了分析

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  • 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接地方式分析了接地接地系统特性

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  • 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

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  • The study results reveal shown that the ground fault current will increase with the number of main transformer with neutral to be solidly grounded.

    研究结果显示变压器中性点接地与否及电缆遮蔽导体互連导体整体的接地系统故障特性关键性的影响。

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  • 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尽快选出故障线路提高电网供电可靠性有重要意义。

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  • This paper proposes a new method for the fault line and fault area detection in radial neutral-point resonant grounded system.

    提出一种针对辐射状谐振接地系统确定单相接地故障线路故障区域方法

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  • 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.

    本文推导结点阻抗矩阵进行中性点不接地系统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,最后进行了分析。

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  • For that the transient zero sequence currents are used only, the criterion is immune to the abnormity of the PT, and it can be applied to all kinds of the neutral indirectly grounded systems.

    由于只用暂态电流量,选线判据不受PT异常情况影响,可以适用于任意方式的不直接接地系统。

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  • For that the transient zero sequence currents are used only, the criterion is immune to the abnormity of the PT, and it can be applied to all kinds of the neutral indirectly grounded systems.

    由于只用暂态电流量,选线判据不受PT异常情况影响,可以适用于任意方式的不直接接地系统。

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