Manufacturing , Testing , Supply , Erection And Commissioning Of 3 Nos . 20 Mva , 11/132Kv Generator Transformers For Mukerian Hydel Project , Talwara , Punjab ( 2 Nos . ) And Ubdc Hydel Project , Malikpur , Pathakot , Punjab ( 1 No . ) , Mukerian Hydel Project, Talwara and UBDC HEP-Punjab

Manufacturing , Testing , Supply , Erection And Commissioning Of 3 Nos . 20 Mva , 11/132Kv Generator Transformers For Mukerian Hydel Project , Talwara , Punjab ( 2 Nos . ) And Ubdc Hydel Project , Malikpur , Pathakot , Punjab ( 1 No . ) , Part I : Supply , 20 Mva , 11/132Kv , Onan Cooled , Oil Immersed Outdoor Type Generator Transformer Suitable For 3-Phase , 50 C/S Frequency , Delta-Star Connected In Accordance With Iss Vector Group Yd 11 With Neutral Solidly Earthed On Hv Side . The Transformer Will Be Fitted With Off Ckt Tap Changer Of Easun-Mr/ Telk/ Bhel/ Ngef/ Cgl/ Ctr/ Paragon Associates/ Alwaye Make Type 66 Kv , 300 Amps Rating For Voltage Variation On Hv Side To Give 142 . 5 Kv , 139 Kv , 135 . 5Kv , 132 Kv And 128 . 5 Kv With Lv Constant . Percentage Impedance On 20 Mva Base At 75 Deg . C Shall Be As 10% + Tolerance As Per Is-2026 Part-Ii Latest Edition . The Transformer Shall Be Able To Operate Continuously For 10% Overload Capacity . The Transformer Shall Be Dispatched Oil Filled . Transformer Oil ( Napthenic Base ) For Radiators& Conservators Etc . Alongwith 10% Extra Quantity Shall Be Dispatched Directly In Non-Returnable Epoxy Coated Steel Drums . The Transformer Shall Be Complete With All Fittings And Accessories As Per Specification . The Following Extra Spares With Each Transformer Shall Form Part Of Supplies . , Hv Line End Bushing Complete , Lv Line End Bushing Complete , Hv Neutral End Bushing Complete , Complete Sets Of Gaskets , Wti With Remote Indicator , Magnetic Oil Level Gauge , Oti With Remote Indicator , Silica Gel Container Along With Silicagel ( For One Time Filling ) For Main Tank , Pressure Relief Valve , Buchholz Relay , Dial Type Thermometer For Oti , Switches , Fuses , Relays For Electric Control Ckt . , Short Circuit Test Charges For 1 No . Gt ( If Applicable ) , Part Ii : Erection And Commissioning , Erection , Commissioning Of 20 Mva , 11/132Kv , Onan Cooled , Oil Immersed Outdoor Type Generator Transformer .

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INR 2000000.0 /-

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Name of Work: Manufacturing, testing,supply,erection and commissioning of 3 nos. 20 MVA, 11/132KV Generator Transformers for Mukerian Hydel Project, Talwara, Punjab (2 nos.) and UBDC Hydel Project, Malikpur, Pathakot, Punjab (1 No.)
	Sl. No.	Item Description	Item Code / Make	Quantity	Units
1	1	Part I : Supply
2	1.01	20 MVA, 11/132KV, ONAN cooled, oil immersed outdoor type generator transformer suitable for 3-Phase, 50 C/S frequency, Delta-star connected in accordance with ISS Vector group YD 11 with neutral solidly earthed on HV side. The transformer will be fitted with off ckt tap changer of Easun-MR/ TELK/ BHEL/ NGEF/ CGL/ CTR/ Paragon Associates/ Alwaye make Type 66 KV, 300 Amps rating for voltage variation on HV side to give 142.5 KV, 139 KV, 135.5KV, 132 KV and 128.5 KV with LV constant. Percentage impedance on 20 MVA base at 75 deg.C shall be as 10% + tolerance as per IS-2026 Part-II latest edition. The transformer shall be able to operate continuously for 10% overload capacity. The transformer shall be dispatched oil filled. Transformer oil (Napthenic base) for radiators& conservators etc. alongwith 10% extra quantity shall be dispatched directly in non-returnable epoxy coated steel drums. The transformer shall be complete with all fittings and accessories as per specification. The following extra spares with each transformer shall form part of supplies.	item1	3	Nos
3	1.02	HV line end bushing complete	item2	4	nos.
4	1.03	LV line end bushing complete	item3	4	nos.
5	1.04	HV neutral end bushing complete	item4	2	nos.
6	1.05	Complete sets of gaskets	item5	2	set
7	1.06	WTI with remote indicator	item6	2	nos.
8	1.07	Magnetic oil level gauge	item7	2	nos.
9	1.08	OTI with remote indicator	item8	2	nos.
10	1.09	Silica gel container along with Silicagel (for one time filling) for main tank	item9	2	set
11	1.1	Pressure Relief Valve	item10	2	nos.
12	1.11	Buchholz relay	item11	2	nos.
13	1.12	Dial type thermometer for OTI	item12	2	nos.
14	1.13	Switches, fuses, relays for electric control ckt.	item13	2	set
15	1.14	Short circuit test charges for 1 no. GT (If applicable)	item14	1	nos.
16	2	Part II : Erection and commissioning
17	2.1	Erection, Commissioning of 20 MVA, 11/132KV, ONAN cooled, oil immersed outdoor type generator transformer.	item15	3	Nos