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Dol Electric Co. Pvt. Ltd.

Special Achievements

Special Jobs – Modification of bearing assemblies

  Sr. No.   Job Description   Picture


  AVK Make
  2.5 MW, 11 kV, 50 Hz Alternator Stator

  Job : Rewinding with resin rich class F insulation


  BHEL Make
  2.2 MW, 6.6 kV, 50 Hz, 730 RPM Squirrel Cage Induction

  Job : Conversion from 730 RPM to 960 RPM
            (8 pole to 6 pole).
  Redesigning of Stator Winding with class F insulation


  Crompton Make
  1 MW, 6.6 kV, 50 Hz, 2980
  RPM Squirrel Cage Unduction Motor

  Job : Complete Rewinding of Stator, Complete Re-  Caging of Rotor


  Wenting House Make
  4000 HP, DC Motor Armature

  Job Done : Armature Rewinding


   Ansardo Make
   2.2 MW, Alternator Rotor

   Job Done : Rotor Rewinding


  3 ph Slip Ring Induction Motor Rotor (Bar Wound)

  Job Done : Manufacturing with slip ring assembly


  750 KW, 6.6 kV, 960 RPM Motor Rotor

  Job Done: Shaft replacement with ground bearing seat


  730 KW, 6.6 kV, Squirrel Cage Motor Rotor

  Job Done: Rotor Re-caging


  560 KW, 6.6 kV, 740 RPM, Bowl Mill Motor Rotor

  Job Done: Re-shafting with EN19 forged shaft material   (shaft wt.: 2000 kg.)

Coil Shop Activities at Dol Electric


  Form wound Coil Looping Machine


  Coil Molding with Resin Rich Insulation


  HT Motor, Resin Rich coils under final testing


• In partnership with Siemens, power plants successfully refurbished: Durgapur (5units), Korba (6 units), Ukai (1 unit) and Patratu (2unit)

• Obtained ISO 9001:2008 certificate.

• Awarded Best Quality Service Shop for the year 2006-2007 by Siemens

• Certified as preferred repairs support in India by Siemens (Germany) for their global service support network.