Possible causes of failure of winding to ground

Possible causes of failure of winding to ground:

1 the winding is affected with damp, the insulation material loses the insulation function

2 Motor long-term overload, insulation aging, cracking, shedding

3 the insulation is damaged when the wire is embedded.

4 stator and rotor rub, causing insulation burned out

5 end winding end cap

6 lead wire connection insulation damage and the case of contact

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