Repairing of 03 Nos. 220 KW, 240KW, 250 KW HT Motors for Dewatering and Dust Suppression at Coal Section, Dudhichua Project

Complete Rewinding of 03 nos. sq. cage induction motor.

Supply of New Electrolyte grade 10 enameled double fiber glass covered pre varnished copper strip (Class of Insulation -H Class) and Less: - Unused Copper scrap value

Supply of tape suitable for HT motor(Roll)

Supply of Nomex paper for stator core insulation.

Supply of Varnish suitable for HT motor

Supply of thinner suitable for HT Motor.

Cost of HT XLPE Cable core 70 Sg.mm

Fabrication of both sides bearing housing.

Supply of Bearing No. 6220 M-C3 (Make FAG/SKF/or Approved equivalent)

Supply of Bearing No. NU 220 ECM-C3 (Make FAG/SKF/or Approved equivalent)

Taking out of the coils from the stator slots.

Formation of coils with the G.M. Tape.

Inter layer insulation of the coils to be done with Kaftans tape.

Labour charges for insulation of overhang portion of the coil with GMP & GM Tape

Moulding all the coils

Inserting of the coils into the core slots.

Supply of Silicon base glass wedges & fitting at the top of the coil into the Core.

Fitting of both side bearing housing of the motor after making the pattern. M. Casting, machining and appropriate size as per original cover.

Dynamic balancing of Rotor

Final assembling of the Motor in all respect and testing by appropriate supply voltage.

Transportation charges up and down

Total impact of GST for the purpose of CTC