ACOUSTIC OPTICAL SYSTEM FOR PARTIAL DISCHARGE DETECTION AND LOCATION
    1.
    发明申请
    ACOUSTIC OPTICAL SYSTEM FOR PARTIAL DISCHARGE DETECTION AND LOCATION 审中-公开
    用于部分放电检测和位置的声学光学系统

    公开(公告)号:WO1996013730A1

    公开(公告)日:1996-05-09

    申请号:PCT/US1995013959

    申请日:1995-10-31

    CPC classification number: G01R31/1209 H02H1/0023

    Abstract: An apparatus for detecting a partial discharge in a high voltage transformer comprising a live tank (100) comprises a metal box (200) detachably connected to the tank (100); a first acoustic sensor (210) inside the box for converting acoustic waves in a first frequency band to a first electrical output signal; signal conditioning circuitry (216) inside the box for amplifying and filtering the first electrical signal; an electrical to optical converter (222), inside the box, for converting the amplified and filtered electrical signal to an optical signal; a fiber optic link (300) for carrying the optical signal to a location remote from the transformer; and an optical to electrical converter (402) at the remote location for converting the optical signal to a second electrical signal, the second electrical signal being indicative of a partial discharge inside the tank (100). The second electrical signal may be fed to an oscilloscope (500) or recording equipment (600) for determination of the occurrence of a partial discharge.

    Abstract translation: 一种用于检测包括活箱(100)的高压变压器中的局部放电的装置,包括可拆卸地连接到所述罐(100)的金属盒(200)。 盒内部的第一声传感器(210),用于将第一频带中的声波转换成第一电输出信号; 用于放大和滤波第一电信号的箱内的信号调节电路(216); 在盒内部的电 - 光转换器(222),用于将放大和滤波的电信号转换成光信号; 用于将光信号传送到远离变压器的位置的光纤链路(300); 以及在所述远程位置处的用于将所述光信号转换为第二电信号的光电转换器(402),所述第二电信号指示所述罐(100)内部的局部放电。 第二电信号可以被馈送到示波器(500)或记录设备(600),用于确定局部放电的发生。

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