Balanced current-directional relay for the detection of multiphase line defects
    14.
    发明授权
    Balanced current-directional relay for the detection of multiphase line defects 失效
    用于检测多相线路缺陷的平衡电流方向继电器

    公开(公告)号:US3651377A

    公开(公告)日:1972-03-21

    申请号:US3651377D

    申请日:1970-08-10

    CPC classification number: H02H3/385

    Abstract: A triphase line current-directional relay includes a reference impedance fed by symmetrical components of the currents, a reference voltage and a phase computer connected both to the reference impedance and to the reference voltage.

    Abstract translation: 三相线路电流方向继电器包括由电流的对称分量馈送的参考阻抗,参考电压和连接到参考阻抗和参考电压的相位计算机。

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