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Oil Filled Service Transformer Supply Of Oil Filled Service Transformer To 2X500mw Ntpl Tuticorin Fgd , Main Supply : 2.5Mva, 11Kv / 3.45Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=6%, Dyn11, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box T, NTPL Power plant-FGD, Harbour Estate, Tuticorin-Tamil Nadu

Bharat Heavy Electricals Limited-BHEL has published Oil Filled Service Transformer Supply Of Oil Filled Service Transformer To 2X500mw Ntpl Tuticorin Fgd , Main Supply : 2.5Mva, 11Kv / 3.45Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=6%, Dyn11, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box T. Submission Date for this Tender is 23-11-2021. Connectors Supply Tenders in NTPL Power plant-FGD, Harbour Estate, Tuticorin Tamil Nadu. Bidders can get complete Tender details and download the document.




Tender Notice

28928684
Corrigendum : Oil Filled Service Transformer Supply Of Oil Filled Service Transformer To 2X500mw Ntpl Tuticorin Fgd , Main Supply : 2.5Mva, 11Kv / 3.45Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=6%, Dyn11, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box T
Open Tender
Indian
Tamil Nadu
NTPL Power plant-FGD, Harbour Estate, Tuticorin
23-11-2021

Tender Details

Oil Filled Service Transformer Supply Of Oil Filled Service Transformer To 2X500mw Ntpl Tuticorin Fgd , Main Supply : 2.5Mva, 11Kv / 3.45Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=6%, Dyn11, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) , List Of Mandatory Spares , Hv Bushing With Metal Parts, Connectors And Gaskets , Lv Bushing With Metal Parts, Connectors And Gaskets , Lv Neutral Bushing With Metal Parts, Connectors And Gaskets , Bushing Ct ( Hv For Winding Temperature Indicator ) , Bushing Ct ( Lv For Winding Temperature Indicator ) , Neutral Bushing Ct ( Lv ) - Ps Class , Complete Set Of Gaskets , Winding Temperature Indicator With All Accessories , Dial Type Oil Temperature Indicator With All Accessories , Pressure Relief Device , Magnetic Oil Level Gauge , Buchholz Relay , Silica Gel Breather , Prismatic Oil Level Gauge , Power Contactor , Control Contactor , Set Of Valves , Extra Oil ( 10% ) In Sealed Non Returnable Standard Drums ( Type & No. Of Transformers, As Below ) , 2.5Mva, 11Kv / 3.45Kv, 3 Phase, 2 Winding, Outdoor, Onan, Z=6%, Dyn11, Off Circuit Taps ±5% In Steps Of 2.5% ( With Cable Box Type Hv, With Bus-Duct Type Lv ) , Type Test , Temperature Rise Test With Dissolved Gas Analysis Test Before & After , Lightning Impulse On Hv & Lv & Neutral ( Where Neutral Is Resistance Grounded ) - Full Wave & Chopped Wave , Degree Of Protection For M.Box & Cable Box , Short Circuit Test ( Special Test ) As Per Iec 60076-5**

Corrigendum Details

Sr No CorrigendumDate Corrignedum CorrigendumType NewSubmissionDate
1 31-Aug-2021 Date and Techno-commercial Corrigendum Date 07-09-2021
2 07-Sep-2021 Due Date Extension Date 14-09-2021
3 14-Sep-2021 Date and Commercial Corrigendum Date 21-09-2021
4 21-Sep-2021 Due date extension till 28.09.2021 Date 28-09-2021
5 28-Sep-2021 Corrigendum 5 Date 05-10-2021
6 05-Oct-2021 Corrigenda 6 Date 12-10-2021
7 12-Oct-2021 Corrigenda 7 Date 19-10-2021
8 19-Oct-2021 Corrigenda 8 Date 26-10-2021
9 26-Oct-2021 Corrigendum 9 Date 02-11-2021
10 02-Nov-2021 Corrigenda 10 Date 09-11-2021
11 09-Nov-2021 Corrigenda 11 Date 16-11-2021
12 16-Nov-2021 Corrigenda 12 Date 23-11-2021

Key Value

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BOQ Items

Name of Work:2X500MW NTPL TUTICORIN FGD - OIL FILLED SERVICE TRANSFORMER as per Technical Specification.
Sl. No. Item Description
1Main Supply : 2.5MVA, 11kV/3.45kV, 3 phase, 2 winding, outdoor, ONAN, Z=6%, Dyn11, OFF Circuit taps ±5% in steps of 2.5% (with cable box type HV, with bus-duct type LV)
2LIST OF Mandatory spares
3HV Bushing with metal parts, connectors and gaskets
4LV bushing with metal parts, connectors and gaskets
5LV neutral bushing with metal parts, connectors and gaskets
6Bushing CT (HV for winding temperature indicator)
7Bushing CT (LV for winding temperature indicator)
8Neutral Bushing CT (LV) - PS CLASS
9Complete set of gaskets
10Winding Temperature Indicator with all accessories
11Dial type Oil Temperature Indicator with all accessories
12Pressure Relief Device
13Magnetic Oil Level Gauge
14Buchholz Relay
15Silica Gel Breather
16Prismatic Oil level gauge
17Power Contactor
18Control Contactor
19Set of valves
20EXTRA OIL (10%) IN SEALED NON RETURNABLE STANDARD DRUMS(Type & no. of Transformers, as below)
212.5MVA, 11kV/3.45kV, 3 phase, 2 winding, outdoor, ONAN, Z=6%, Dyn11, OFF Circuit taps ±5% in steps of 2.5% (with cable box type HV, with bus-duct type LV)
22Type Test
23TEMPERATURE RISE TEST WITH DISSOLVED GAS ANALYSIS TEST BEFORE & AFTER
24LIGHTNING IMPULSE ON HV & LV & NEUTRAL (WHERE NEUTRAL IS RESISTANCE GROUNDED)- FULL WAVE & CHOPPED WAVE
25DEGREE OF PROTECTION FOR M.BOX & CABLE BOX
26SHORT CIRCUIT TEST (SPECIAL TEST) AS PER IEC 60076-5**
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