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Manufacturer's analysis of the cause of the failure of the BHX slip wire electric flat car

2022-04-20

 Manufacturer's analysis of the cause of the failure of the BHX slip wire electric flat car

Slip wire electric flatbed car fault cause analysis fault occurrence reason analysis: a, downstream contact line voltage is not less than 15kv, but will appear and not free, press the stroke to ensure that will not be electrocuted; two, downstream contact line contact network voltage is less than 20kv, and in away from the grid or touch the ground where the installation of high-power no-load protection switch; three, downstream contact line insulation capacity and conductor insulation resistance has not changed; iv. the motor only tries to cut off before a cut-off fault occurs (because the cut-off is too slow, after which some possible states will be obtained)

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