since the subway operation, nanjing subway dc 1500 v isolating switch in some fault occurs during operation, some of the failure of operation caused certain effect, in view of the switch fault professionals are analyzed and summarized. This article mainly introduced the subway dc 1500 v isolating switch definition, enumerates the nanjing subway in a line of isolating switch fault types, focus on analyzing the motor fault and damage phenomenon of the cutting tools to make, and puts forward some solutions. Hope to strengthen the daily maintenance level at the same time, improve the quality of isolating switch operation, to ensure the stability and security of metro power supply system.
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