Complete repairing and rewinding of 03 MVA, 11 kV/3.3 kV Power Transformer of Highwall project under Nimcha Colliery

Dismantling of core and winding from transformer tank and cleaning of all parts properly

cost of copper conductor, hv and lv windings(wound from super enamel covered/double paper covered electrolytic copper conductor)

insulation of conductor for primary coils

dehydration and filtration of transformer oil to improve dielectric strength upto 60 kV BDV

laminating the core with proper materials

cooling pipe welding requirement with selfos rod

cost of brazing with supply of rupaton rod,oxygen,dA for brazing of all primary and secondary coil

Cost of insulating materials, varnishing, precompress paper board,oil duct, cotton tape, webbing tape, etc

reformation of primary coil and secondary coil

fitting of core channels, primary and seconadry coils and winding into the transformer tank

providing neoprene gasket for all joints of each parts such as top cover, inspection cover,insulators cooling fins,etc

Assembling and installation of transformer at site which includes placement of transformer, pre commissioning, testing and energizing

Less Old Unused Scrap Value

Total impact of GST for the purpose of CTC