What faults will happen to the transformer?

Transformer fault is generally divided into two kinds, internal and external, according to the cause of the fault is different, our coping policies are also different, small sum up two fault solutions, for your reference.

internal fault

Transformer internal faults mainly include winding inter phase short circuit, winding inter turn short circuit and neutral grounding system winding grounding short circuit and so on. These are very harmful to the equipment fault, because of the high temperature arc short circuit currents will not only burn winding insulation box core, will make the insulation and transformer oil is decomposed to produce large amounts of gas, and even cause the deformation and rupture of the transformer oil tank, fuel tank explosion accident will occur serious.

Therefore, when the transformer has internal faults, the transformer must be quickly removed. This must bear in mind.

External fault

The external fault of transformer is mainly caused by interphase short circuit and grounding short circuit of transformer bushing and lead out line. When this kind of fault occurs, the transformer should be quickly removed so as to minimize the impact of short circuit current on the transformer.

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