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earth fault protection 接地故障防护

  • This relay is both an interphase fault, turn-to-turn, single earth fault protection and an overvoltage protection.

    既是相间短路保护间短路单相接地保护,也可兼过电压保护

    dict.cnki.net

  • Several different protection ways for earth fault are introduced and discussed from earth-fault protection, zero-sequence protection, residual current protection and other aspects.

    介绍了接地故障保护几种不同方式接地故障保护、零电流保护剩余电流保护方面进行了论述,指出只有电位联结相结合,才能完善保护作。

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  • In order to improve measuring accuracy of the earth-fault distance protection of series compensated line a new method which employs the reactive compensation factor is presented in this paper.

    本文针对串联补偿线路接地距离保护提出了一种新的电抗补偿系数方法

    dict.cnki.net

  • More and more large-sized generators are installed 100% stator earth fault protection with low-frequency alternating-voltage injection.

    近年来越来越大型发电机装设100%注入式定子接地保护

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  • A new principle of the microcomputer-based protection against rotor two points to earth fault or interturn short circuit for trubogenerator is proposed in this paper.

    本文提出利用微机实现隐极同步发电机转子两点接地匝间短路保护原理

    dict.cnki.net

  • Digital transformer differential protection may falsely take effective when external single-phase earth fault occurs at star side or the line endures lightning strike on single phase.

    数字式变压器差动保护星形发生外部单相接地线路单相雷击情况下,差动保护有时会动。

    dict.cnki.net

  • Commonly, by opening one switch and closing the other, two group equations are set up to measure rotor earth-fault resistance in the rotor earth-fault protection with switch sampling principle.

    切换采样转子一点接地保护通过两个静态开关建立方程求解接地电阻位置。

    dict.cnki.net

  • Commonly, by opening one switch and closing the other, two group equations are set up to measure rotor earth-fault resistance in the rotor earth-fault protection with switch sampling principle.

    切换采样转子一点接地保护通过两个静态开关建立方程求解接地电阻位置。

    dict.cnki.net

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