Repairing of 50MVA 132/33KV EMCO Power Transformer by way of replacement of windings at Grid Station Janipur Jammu

Repairing of damaged 50 MVA, 132/33 KV EMCO Transformer by way of replacement of Windings at 132/33KV Grid Station Janipur complete job (Including Each and every thing required for the Job)

Charges for To & Fro Transportation of Old & New Windings, Transportation of tools & plants from factory to site & Returning back of tools & plants to factory after completion of repairing works, To & Fro Transportation of Container for New Winding from our Works to Janipur GSS Site & Back to Our Works

Dragging of 50MVA power Transformer from Plinth to repair shed & return back to plinth & making shed ready for repairing by providing chain blocks.

Labour Charges for 1. Un-tanking of the core coil assembly and inspection jointly with customer representative. 2. Low voltage testing of the core coil assembly. 3. Removal of top yoke core laminations. 4. Dismantling of all windings of transformer. 5. Assembly of New windings with new winding cylinder and new assembly insulation after receipt of New windings from Our Factory 6. Yoke filling & connections to be carried out. 7. Painting of transformer tank internally and externally. 8. Replacement of all gaskets and O-rings with new ones. 9. Carrying out of all final checks prior to re-tanking the core coil assembly. 10. LT Testing of Core & Coil Assembly before Tanking 11. Tanking of Core & Coil assembly, Blanking of Main Tank & Drying out by Nitrogen Purging Method 12. Filling of oil in the main tank above core level, Erection of bushings & 13. Conservators, Topping up of oil, processing of oil until required values are achieved.

Charges for Manufacturing & Supply of New Winding (All three Limbs) with new Copper with Similar Design as Original (Old Winding) (Old winding will be taken by us for Reverse Engineering)

Gaskets, Hardware, etc.

Charges for Supply of Insulation materials

Charges for Testing of Transformer at Site (At various stages) Following Tests will be carried out during final testing 1. Measurement of Winding Resistance Test at all taps 2. Measurement of Capacitance & Tan-Delta of Winding/ Bushings 3. Measurement of impedance on All Taps 4. Measurement of Insulation Resistance 5. Magnetic Balance & Magnetizing current test 6. Oil BDV Test 7. Measurement of Voltage Ratio Test at all taps 8. Test on OLTC 9. Check of the ratio and polarity of Bushing CTs 10. SFRA Test. 11. Oil Leakage Test 12. Open circuit test at rated voltage. 13. Short circuit test on low voltage

Charges for Erection, Testing and Commissioning complete job