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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 |