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    • 4. 发明申请
    • POWER SWITCHING ARRANGEMENT FOR LINE INSULATION MONITORING
    • 用于线路绝缘监测的电源开关装置
    • WO2016012554A3
    • 2016-03-31
    • PCT/EP2015066914
    • 2015-07-23
    • GE OIL & GAS UK LTD
    • DAVIS JULIAN RICHARDPUCHIANU SILVIUMORLEY GRAHAM THOMASSIMPSON STEVEN LEWIS CHARLES
    • E21B41/00
    • H02H3/162E21B17/003E21B41/0007E21B47/0001G01R31/1245G01R31/1272G01R31/16H02H1/0007H02H5/105
    • A method of performing line insulation monitoring of a pair of conductor lines (L1, L2) at least partially located in a cable, comprising the steps of: a) providing a first power switch (101) in a first conductor line (L1) of the pair and a second power switch (102) in a second conductor line (L2) of the pair, b) providing a line insulation monitor (27) at a first end of the pair of conductor lines (L1, L2), electrically connected to the pair of conductor lines (L1, L2), c) at the second end of the pair of conductor lines (L1, L2), electrically connecting the first and second conductor lines (L1, L2), d) placing the first and second power switches (101, 102) into a monitoring configuration wherein the first power switch (101) is closed while the second power switch (102) is open, and e) using the line insulation monitor (27) to monitor the insulation of the conductor lines.
    • 一种对至少部分地位于电缆中的一对导线(L1,L2)进行线路绝缘监测的方​​法,包括以下步骤:a)在第一导线(L1)中提供第一电源开关(101) 所述对和所述一对的第二导线(L2)中的第二电源开关(102),b)在所述一对导线(L1,L2)的第一端处提供线路绝缘监视器(27),电连接 (L1,L2)的一对导体线(L1,L2),c)在一对导体线(L1,L2)的第二端,电连接第一和第二导线(L1,L2),d) 第二电源开关(101,102)变成监视配置,其中第二电源开关(101)在第二电源开关(102)打开时关闭,以及e)使用线路绝缘监视器(27)来监视第 导线。
    • 5. 发明申请
    • MONITORING HIGH VOLTAGE BUSHINGS SAFELY
    • 监控高电压保险丝
    • WO2014204819A1
    • 2014-12-24
    • PCT/US2014/042446
    • 2014-06-15
    • ADVANCED POWER TECHNOLOGIES, LLC
    • HOFFMAN, Gary, R.KWON, Edward, S.BENIS, Mikhail
    • G01R27/26G01R31/12H01H31/12
    • G01R15/16G01R1/36G01R15/14G01R15/22G01R19/0084G01R31/1227G01R31/1245G01R31/1272
    • The voltage at the test tap of a high voltage bushing is applied to a bushing coupler which includes circuitry to sense and process voltages generated at the test tap and convert the voltages into corresponding data signals. Data signals corresponding to the test tap vottages are then transmitted wirelessly to a bushing monitoring system. The wireless transmission may be, for example, via an optical coupling (e.g., fiber optics) arrangement or an electromagnetic radiation arrangement. Thus, the signals from the bushing coupler are wirelessly transmitted to a monitoring system which is not conductively connected to the bushing coupler and the test tap. The bushing coupler includes a power supply which is chargeable from the test tap or wirelessly from the bushing monitoring system which is adapted to receive values of the high voltage applied to the bushing and to calculate changes in the values of selected bushing parameters.
    • 将高压套管的测试分接头处的电压施加到套管耦合器,其包括用于感测和处理在测试抽头产生的电压并将电压转换成相应数据信号的电路。 然后将与测试抽头计数相对应的数据信号无线传输到套管监控系统。 无线传输可以是例如经由光耦合(例如,光纤)布置或电磁辐射装置。 因此,来自衬套耦合器的信号被无线地传输到监控系统,该监控系统不是导电地连接到衬套耦合器和测试水龙头。 衬套耦合器包括可从测试抽头充电的电源,或者无线地从衬套监控系统充电,该电源适于接收施加到衬套的高电压值,并计算所选衬套参数值的变化。