Re-conditioning of 2 MVA ONAN type,33000V/433V Transformer at INRP,Tarapur

Amount

Transportation of Transformer of rating 2 MVA, 33 kV / 433 V to and Fro from Store Yard, BARC, Tarapur Site to Repairing work site as per the technical specification.

Testing of Transformer before overhauling for the parameters as mentioned in the technical specification.

Complete Dismantling of transformer Core & Coil assembly from tank and Overhauling, cleaning of Core, Windings and Tanks as per the technical specification.

Vaccuum De - humidifying the Core and Coil assembly as per the attached technical specfication.

Supply and Replacement of Old Gaskets and entire insulating materials of Core & Coil assembly retaining the windings as per the attached technical specificaiton.

Supply, Installation, Testing and Commissioning of Digital Oil Temperature indicators and winding temperature indicators as per the attached technical specification.

Supply, Installation, Testing and Commissioning of Bchholz relay as per the attached technical specification

Supply and Installation of Silica Gel breather with silica gel of 2 kg as per the attached technical specification

Supply and Replacement of the following components of Transformer.

Marshalling Box of M. O. C: SS and of double door type suitable for outdoor application

HV Cable Box

LV Cable Box

Radiators

Danger Board for 33 kV / 433 V transformer with embossed danger mark in SS material of size 1500 mm x 1500 mm x 2 mm

Transformer Name Plate embossed in SS material of size 450mm ( L ) x 297 mm ( W ) x 2 mm ( T )

Supply and Filling of EHV Grade - II Fresh Transformer Oil as per IS 335.

Testing of All transformers Routine Tests, Type Tests and some Special Tests as per IS 2026 after overhauling and Certification as mentioned in the technical specification.

External and Internal Painting of the transformer as per the attached technical specification

Fabrication, Supply and Installation of Transformer Wheels as per the sample approved by the Engineer-In-Charge.

Circulation of Transformer oil through filtration and dehydrating machine to dry out the winding, core including plotting of graph for IR value vs time and temperature and after completion of drying out cycle, filtration of oil till desired value of BDV is obtained as per the attached technical specification.

Complete servicing and maintenance of 33KV/ 6.6KV HT Panel feeder including 3150A/1250A/800A VCB by OEM/authorized representative of OEM and as per technical specification.