A50L-0001-0178
A50L-0001-0178
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你是天上的太阳，我是地上的高山；你是天上的月亮，我是地上的海洋；你是天上的乌鸦飞啊飞，我是地上的土狗追啊追...
电压互感器是重要的一次设备，一旦其二次回路出现问题，将会给整个二次系统带来重大影响，因此其二次回路的稳定运行至关重要。互感器二次回路常见故障有两点，一是因接线错误引起的故障。如误将雷电波冲击后击穿保险的接地端与电压互感器二次侧V相接地点直接连接，造成V相二次线圈直接短路，此故障可能会引发电压互感器的烧毁，处理措施是将V相接地点M移至V相熔断器FUV的出线端，并对击穿保险进行定期检查。二是停电的电压互感器发生高压触电故障。此类故障要先明确停电状态下电压互感器的来电途径进行，取高压侧挂地线和低压侧的熔丝，用万用表测量感应电势。在I段母线和n段母线电压互感器的二次中性点连接线之间安装闸刀K，在检修时控制电流流通。
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1756-L72
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A-B 1756-OF8/A
A-B 1756-DHRIO/D
A-B 1756-L61/B
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A-B 1756-IF8/A
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A-B 1756-IF16/A
A-B 1756-CNBR/E
A-B 1756-OF4/A
ohne
PS-M06D12S5-NJ1L
S22761-A88-N101
SMP-217
SMP-E211-A11
SMP-E230-A10
SMP-SYS-51C
SSM-BG41
YB560103-BD
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