Repairing, rewinding and reinsulation of 3.3 KV, 3.0 phase, 565 KW squirrel cage induction H.T. motor No-01, with connection, fitting and testing on load at sone pump house under sone pump conal-IIstage distt. Sonbhadra.

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Repairing,rewinding and reinsulation of H.T motor No. 01

Repair of Squirrel cage 3 phase Induction type ABB make 565 KW H.T. Motor no.-1 by Shifting from foundation to working place, dismantling by talking out rotor from stator, checking bearing, cleaning stator with overhead braidings and drying it by heating up to completion, Checking of rotor by dye penetration test to check cracks in rotor, Taking Out Overheated/ Damaged/ Burnt 72 nos coil from Stator safely. Insulating of 72 nos. Coils by removing damaged Insulation. Insulating With “F” Class Insulating Material like Capton Tape. Nomax Tape. Polyester Mica Tape. Capton Mica Tape. Glass Tape & Epoxy Rasin as required for proper Insulation, Refitting Of H.T. Stator by Inserting repaired 72 Nos. Coils In Stator, Rewedging by Polyster Chord of Suitable Size, Connecting Coils together with Silver Brazing Rod & Insulation over head Braiding, Spray Varnishing of H.T. Stator and rotor with insulating Varnish i.e. Bactol Red/grays jel epoxy resing then reheating to achieve required dryness & I.R. Values, Reassembly of motor, shifting from work place to foundation, installation and testing on no load, Alignment of motor with pump Radialy and Axially both by using S.S, Shims, rubber coupling bushes etc. As required and then testing on no load including material, labour, T&P etc. Complete in all respect at Sone Pump Canal-II stage.

S K ENGINEERING WORKS