Method of monitoring the grading margin between time-current characteristics of intelligent electronic devices
    3.
    发明授权
    Method of monitoring the grading margin between time-current characteristics of intelligent electronic devices 有权
    监控智能电子设备时间电流特性的分级余量的方法

    公开(公告)号:US08981951B2

    公开(公告)日:2015-03-17

    申请号:US13504482

    申请日:2009-11-05

    IPC分类号: G08B21/00 H02H7/30 H02H3/00

    CPC分类号: H02H7/30 H02H3/006

    摘要: A method of monitoring the grading margin between at least two time-current characteristics of Intelligent Electronic Devices (IEDA, IEDB) installed in an electrical power system, each Intelligent Electronic Device comprising a counting means, the grading margin comprising a safety margin set by a user, characterized in that it comprises, when a fault occurs which causes a fault current in the electrical power system, a step of providing a warning to the user when the safety margin is infringed upon.

    摘要翻译: 一种监视安装在电力系统中的智能电子设备(IEDA,IEDB)的至少两个时间电流特性之间的分级余量的方法,每个智能电子设备包括计数装置,所述分级余量包括由 用户,其特征在于,当发生导致电力系统中的故障电流的故障时,包括当安全边际被侵害时向用户提供警告的步骤。

    METHOD OF MONITORING THE GRADING MARGIN BETWEEN TIME-CURRENT CHARACTERISTICS OF INTELLIGENT ELECTRONIC DEVICES
    8.
    发明申请
    METHOD OF MONITORING THE GRADING MARGIN BETWEEN TIME-CURRENT CHARACTERISTICS OF INTELLIGENT ELECTRONIC DEVICES 有权
    监控智能电子设备的时间电流特性之间的分级标准的方法

    公开(公告)号:US20120212348A1

    公开(公告)日:2012-08-23

    申请号:US13504482

    申请日:2009-11-05

    IPC分类号: G08B21/00

    CPC分类号: H02H7/30 H02H3/006

    摘要: A method of monitoring the grading margin between at least two time-current characteristics of Intelligent Electronic Devices (IEDA, IEDB) installed in an electrical power system, each Intelligent Electronic Device comprising a counting means, the grading margin comprising a safety margin set by a user, characterized in that it comprises, when a fault occurs which causes a fault current in the electrical power system, a step of providing a warning to the user when the safety margin is infringed upon.

    摘要翻译: 一种监测安装在电力系统中的智能电子设备(IEDA,IEDB)的至少两个时间电流特性之间的分级余量的方法,每个智能电子设备包括计数装置,所述分级余量包括由 用户,其特征在于,当发生导致电力系统中的故障电流的故障时,包括在安全边际被侵害时向用户提供警告的步骤。