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How to deal with the smoke of the voltage transformer?

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How to deal with the smoke of the voltage transformer?

Date of release:2018-06-11 Author:Shenzhen Kangpusen Technology Co., Ltd. Click:

Voltage transformer

When the voltage transformer smokes, the main body will emit smoke and have a strong odor; the voltage of the insulation monitoring meter may be lowered, and the indication of the voltmeter, active and reactive power meter may be lowered, and the generator transformer may be Smoke, there may be "stator grounding" light plate is bright, busbar transformers smoke, there may be "voltage loop disconnection", "backup power disappeared" and other light words. Treatment method: If the fuse is never blown before the transformer smokes, and the secondary fuse is blown several times, and the smoke is not serious, there is no symbol of insulation damage. When the fuse is not blown, it should be blown. It is judged that the short circuit between the secondary windings of the transformer causes smoke. Before the secondary winding smokes without affecting the primary insulation damage, immediately withdraw the relevant protection and automatic device, remove the secondary fuse, open the isolation switch, and stop. Use a transformer.

For oil-filled transformers, if smoke is accompanied by a thick odor, there is abnormal noise inside the transformer; there is a spark discharge between the winding and the casing or between the lead and the casing; the fuse is blown before the smoke is blown When one of the phenomena is 2 to 3 times, it should be judged as smoke from the primary side insulation damage. If the generator transformer smokes, the method of de-energizing the generator should be used immediately. If the busbar transformer is used, the transformer is deactivated by stopping the busbar. At this point, the transformer must never be deactivated by pulling the isolation switch apart.

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Key word:Voltagetransformer,Transformer,CurrentTransformer

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