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    • 10. 发明申请
    • RELAY DEVICE AND CORRESPONDING METHOD
    • 继电器和相关方法
    • US20080158750A1
    • 2008-07-03
    • US11618175
    • 2006-12-29
    • William PremerlaniMarcelo ValdesThomas Frederick PapalloRadoslaw NarelGregory P. Lavoie
    • William PremerlaniMarcelo ValdesThomas Frederick PapalloRadoslaw NarelGregory P. Lavoie
    • H02H3/00G01R31/08
    • H02H7/30H02H3/081
    • A method of operating a relay device, the method comprising the steps of: providing main circuit-breakers and a bus-tie-breaker connecting the main-circuit-breakers; defining a partial-differential-zone comprising a main circuit breaker and the bus-tie breaker; assigning a first value to the direction of the fault current flowing into the partial differential zone; -assigning a second value to the direction of the fault currents flowing out of the partial-differential-zone, wherein the first value is not equal to the second value; -comparing the values assigned to the fault currents; determining if the fault currents are flowing into the partial differential zone; and determining if at least two of the fault-currents is flowing in a different direction with respect to the partial-differential-zone wherein one of the fault currents is flowing into the partial-differential-zone and one of the fault currents is flowing out of the partial differential zone.
    • 一种操作中继装置的方法,所述方法包括以下步骤:提供主断路器和连接所述主断路器的总线断路器; 限定包括主断路器和母线断路器的部分差分区; 向流入所述偏差区的故障电流的方向分配第一值; - 将第二值分配给从所述部分差分区流出的故障电流的方向,其中所述第一值不等于所述第二值; - 比较分配给故障电流的值; 确定故障电流是否流入偏差区; 以及确定至少两个故障电流是否相对于其中一个故障电流流入部分差分区并且其中一个故障电流流出的部分差分区在不同的方向上流动 的偏差区。