It is more common than many think the fact that the electric motor suffer from the short circuit, but this short circuit can be in turns, the short-circuited coil, between the phases in connection off the slot or inside the slot.

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When the electric motor suffers from short circuit at the output of the groove or the groove means that this happened because the enamel insulates the wire is faulty, the varnish impregnation is also faulty, there was an internal fault and thus the engine is contaminated.

But in addition, the electric motor may be suffering from rapid fluctuations in the supply voltage, or even the electric motor insulation material is undergoing a drying process, since the electric motor is entering operation at a point that is above its thermal class.

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