Authorized Service Centre for Crompton Greaves,Stamford , AVK-SEG ,Generators Technologies ,Integrated Electric , Leroy Somer & Rotomotive                   
 
 
 

| Rewinding/Reconditioning | Fabrication | On Site Service | Facilities | Genuine Spare Parts |

Equipment Service

Outfitted with high-tech electronic analyzing equipment, our workshop can rewind, repair, and test your AC motors up to 13KV and 10,000 hp. We service and repair DC motors and generators, synchronous motors, rotors, and armatures. On-site vibration and electrical testing of rotating equipment can be performed to analyze equipment function.
 

Capabilities

Our service centre  has a 25 ton lifting capacity. Larger equipment, up to 250 tons, can be worked . We have cleaning ovens, baking ovens, paint and steam cleaning booths, and, a vacuum pressure impregnation tank that can accommodate equipment up to ten feet in diameter. All rotors are balanced on our dynamic balancing machines and final testing is performed using our 1250KVA motor test set.

Repairs & Rewinding of :
1. AC HT & LT Induction motors;Traction motors
2. DC Motors Traction motors; GE 752 Machines Brakes
3. Electrostatic Commutators
4. Shaft replacement without damaging winding
5. Manufacturing & supply of AC HT coils & DC pole coils
6. Precision dynamic balancing
7. Site services for overhauling, repairs

 

 

Repair / Rewinding / Reconditioning

 

Our staff of skilled craftsmen can repair your H.T.,L.T., A.C. and D.C. Electric Motors, Generators, Turbo - Alternators to meet, or improve, OEM specifications. We specialize in medium voltage (2300V and above) motor rewinds and reconditioning. Utilizing form wound coils and state-of-the-art insulation systems we get your motors back in business quickly. Our service shop operates around-the-clock and can support all your critical needs. We will provide the field service to remove and reinstall motors and generators and provide balancing and alignment services.

 

 

 

 

Specifications of scope of work

 
1. Disassembly of motor in workshop.  

2. Cleaning of all components with high-pressure water cleaner.
3. Collection of winding data.
4. Immersion of motor in chemical tank to soften the varnish.
5. Removal of burnt stator/rotor coils.
6. Cleaning and anti-rust treatment of stator/rotor.
7. Insulation of stator/rotor coil slots using class H nomex paper.
8. Insertion of new coils into stator/rotor slots.
9. Immersion of completed of stator/rotor into class H varnish until all cavities between coils and lamination are filled with varnish.
10. Oven baking in an electrical controlled oven with gradual and controlled temperature rise up to minimum 120 degrees centigrade for a duration of 6 to 8 hours.
11. Remove excess varnish from stator/rotor laminations.
12. Dynamic balancing machine to balance rotating elements for quiet vibration free operation.
13. Skimming and mica undercutting of commutator and skimming of slipring where necessary.
14. Refitting of new bearings and assembly of motor.
15. Standard no load testing.
16. Spray painting.