HV/MV Motors

RefurbiShing of HV/MV Electric Motors

Up to 20 MW & 11kV Ratings

Refurbishing of electric Motors includes rewinding of Stator & Rotor Winding,

Rebuild/ Staggering/ Repair/ Replacement of Stator Core/ Core Stamping’s,

Reformation/ Repair of Bearing Cartridge/Housing, Shaft, Key ways, Fan, Lubrication Fittings, Heat Exchangers etc.

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motor Stator Rewinding

The rewinding of HV/MV stator is done with Resin Rich Method or Resin Poor Method. The Resin Poor Method includes Vacuum Impregnation whereas as the coils are formed with insulation outside of the stator, Resin Rich Method do not require vacuum impregnation.

Refurbishing of Cage Rotor

Replacement of Cage Winding Bars, Repair of Cage Core, Replacement of Cage Rotor Core Stampings, Re- Brazing the End Connections, Replacement of End Rings, Repair of Shaft, Repair of Key Way, Replacement of Shaft etc.

Refurbishing of Bearings & Bearing Cartridge Assembly

Cleaning/Repair/ Replacement of Bearing Cartridges/ Housings, Replacement of Bearings, Manufacturing & Replacement of Bearing Housings/ Cartridges/ Bearing Caps (Outer/ Inner)/ Oil Flashing Rings/ Sleeves/ Any other part of bearings.

“Refurbishing of motors includes RCFA & Corrective actions based on it.”

Before starting refurbishing of the motor, its our procedure to conduct RCFA Survey in order to select correct corrective action, correct material & correct procedure in order to improve efficiency of the motor & to avoid repeatitive failures of the motor.