Complete Repairing of 315KVA, 6.6kV/550V TSU with its Primary and secondary switch Under Khottadih Colliery, Pandaveswar Area

TSU Switch. (Inclusive of EPF/CMPF)

Dismantling the coil from core for weighment

Gaskets, nut bolts and other hardware items

Silver Brazing Electrode ,D.A/ oxygen Dove tail

Fitting of reformed coils in the limbs with required insulation and necessary coil connection.

Assembling of Transwitch

Drying of transformer at recommended temperature and testing

Cleaning & De-carbonization of old primary conductor

Cleaning & de-carbonization of old secondary conductors

Providing of EL grade new conductor for Primary side

Providing of EL grade new conductor for Secondary side

Reinsulation of old Primary conductor with DGC/Numex insulation with class -F materials

Reinsulation of old secondary conductor with DGC/Numex insulation with class -F materials

Reformation of primary coils as per orginal shape with class-F borad glass fiber moulded cylinder of heavy sec,plan spacers

Reformation of secondary coils as per orginal shape with class-F borad glass fiber moulded cylinder of heavy sec,plan spacers-

Thinner and varnish inculding baking drying out at recommended temperature

Less Scrap value

Overhead & Supervision Cost @ 10% on above

Primary Switch. (Inclusive of EPF/CMPF)

Supply of tripping system inculuding shunt trip assembly with spares

Supply of Bottle contact

Supply of Bottle holder

Arc-Chute (Separator)

Earth leakage relay

Overload assembly

Reconditioning of isolator

Complete auxiliary wiring (110V) with supply of 2.5sq mm single core copper wire connectors, bakelite fuse base with career

Supply of H.T fuse (400A)

Ampere meter

Supply and fitting of potential transformer

Volt meter

Cost of hardware materials (nut-bolts,washer)

Overhead profit 10%

Transportation

Total impact of GST for the purpose of CTC

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