Oil Filled Service Transformer As Per Nit Documents , Main Supply ( Refer Notes ) , 5.0Mva, 11Kv / 6.9Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=9%, Dyn1, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) , 6.3Mva, 11Kv / 6.9Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=6%, Dyn1, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) , List Of Mandatory Spares ( Refer Notes For Spares ) , Hv Bushings With Metal Parts For Each Rating - 11Kv / 6.9Kv, 5000Kva , Hv Bushings With Metal Parts For Each Rating - 11 / 6.9Kv, 6300Kva , Lv Bushings With Metal Parts For Each Rating - 11Kv / 6.9Kv, 5000Kva , Lv Bushings With Metal Parts For Each Rating - 11 / 6.9Kv, 6300Kva , Lvn Bushings With Metal Parts For Each Rating - 11Kv / 6.9Kv, 5000Kva , Lvn Bushings With Metal Parts For Each Rating -11 / 6.9Kv, 6300Kva , Oil Temperature Indicator - 11Kv / 6.9Kv, 5000Kva , Oil Temperature Indicator -11 / 6.9Kv, 6300Kva , Magnetic Oil Level Gauge-11Kv / 6.9Kv, 5000Kva , Magnetic Oil Level Gauge- 11 / 6.9Kv, 6300Kva , Silica Gel Breather -11Kv / 6.9Kv, 5000Kva , Silica Gel Breather - 11 / 6.9Kv, 6300Kva , Winding Temperature Indicator With All Accessories- 11Kv / 6.9Kv, 5000Kva , Winding Temperature Indicator With All Accessories -11 / 6.9Kv, 6300Kva , Buchholz Relay - 11Kv / 6.9Kv, 5000Kva , Buchholz Relay -11 / 6.9Kv, 6300Kva , Pressure Relief Valve -11Kv / 6.9Kv, 5000Kva , Pressure Relief Valve - 11 / 6.9Kv, 6300Kva , Set Of Valves - 11Kv / 6.9Kv, 5000Kva , Set Of Valves - 11 / 6.9Kv, 6300Kva , Gaskets- 11Kv / 6.9Kv, 5000Kva , Gaskets- 11 / 6.9Kv, 6300Kva , Radiator Bank -11Kv / 6.9Kv, 5000Kva , Radiator Bank- 11 / 6.9Kv, 6300Kva , Mccb / Mpcb / Mcb Of Each Type And Rating - 11Kv / 6.9Kv, 5000Kva , Mccb / Mpcb / Mcb Of Each Type And Rating -11 / 6.9Kv, 6300Kva , Extra Oil ( 10% ) In Sealed Non Returnable Standard Drums ( Type & No. Of Transformers, As Below ) , 5.0Mva, 11Kv / 6.9Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=9%, Dyn1, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) , 6.3Mva, 11Kv / 6.9Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=6%, Dyn1, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) , Type Test ( Refer Notes ) , 5.0Mva, 11Kv / 6.9Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=9%, Dyn1, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) - Temperature Rise Test With Dissolved Gas Analysis Test Before & After , 5.0Mva, 11Kv / 6.9Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=9%, Dyn1, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) - Lightning Impulse On Hv & Lv & Neutral ( Where Neutral Is Resistance Grounded ) - Full Wave & Chopped Wave , 5.0Mva, 11Kv / 6.9Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=9%, Dyn1, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) - Vacuum Test During Tank Fabrication , 5.0Mva, 11Kv / 6.9Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=9%, Dyn1, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) - Pressure Test On Transformer , 5.0Mva, 11Kv / 6.9Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=9%, Dyn1, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) - Degree Of Protection For M.Box & Cable Box , 5.0Mva, 11Kv / 6.9Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=9%, Dyn1, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) - Noise Level Test As Per Nema-Tr1 , 5.0Mva, 11Kv / 6.9Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=9%, Dyn1, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) - Short Circuit Test ( Special Test ) As Per Iec 60076-5**, As Per Note 1 For Type Test. , 6.3Mva, 11Kv / 6.9Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=6%, Dyn1, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) - Temperature Rise Test With Dissolved Gas Analysis Test Before & After , 6.3Mva, 11Kv / 6.9Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=6%, Dyn1, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) - Lightning Impulse On Hv & Lv & Neutral ( Where Neutral Is Resistance Grounded ) - Full Wave & Chopped Wave , 6.3Mva, 11Kv / 6.9Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=6%, Dyn1, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) - Vacuum Test During Tank Fabrication , 6.3Mva, 11Kv / 6.9Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=6%, Dyn1, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) - Pressure Test On Transformer , 6.3Mva, 11Kv / 6.9Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=6%, Dyn1, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) - Degree Of Protection For M.Box & Cable Box , 6.3Mva, 11Kv / 6.9Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=6%, Dyn1, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) - Noise Level Test As Per Nema-Tr1 , 6.3Mva, 11Kv / 6.9Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=6%, Dyn1, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) - Short Circuit Test ( Special Test ) As Per Iec 60076-5**, As Per Note 1 For Type Test.
