SVVU

250 KVA Copper Wound Transformer Supply, Transportation, Installation, Testing and Commissioning of 11/0.433 KV TRANSFORMER with all test reports. The Transformer shall be designed and manufactured as per Energy Efficiency Level – 1 at basic Insulation level conforming to ISS 2026 (Part- I to Part - II) with latest amended, and as per IS 1180 Part-I : 2014 latest amended, OCTC type with initial filling of oil as per IS 335-1993. The basic details of the Transformer are as under. Makes:Schneider/Kirloskar/Voltamp/ Esennar/ Toshiba/ KPEL/ Powertech /SSE / THOTA / Vajra 1. Quantity : 1 2. Rated KVA: 250 KVA 3. Service & Location: Continuous Outdoor Distribution Transformer 4. Mounting: Plinth. 5. Wound: Copper Double wound 6. Type: Core type oil immersed 7. Cooling: ONAN 8. Temp Rise: 40⁰C in oil, 45⁰C by resistance 9. Vector Group: Dyn 11 10. Primary Connection: Delta 11. Nominal Voltage / Current: _ 12. Highest system Voltage: 12000V 13. Primary Frequency :50 HZ +/- 3% 14. Number of Phases: 3 15. Primary wires: 3 16. Secondary connection: Star 17. Secondary Volts / Current : 433V 18. Secondary phases: 3 19. Secondary wires: 4 20. Taps on primary winding for primary voltage variation: +5% to - 10% in steps of 2.5% of 7 position (6 Steps) 21. Terminal arrangement a. HV: HT terminal box as per the site condition. b. LV: Cable box suitable to receive 250 Sq.mm XLPE cable 22. LV: One separate terminal for earthing. 23. Total Losses at 50% Loading [Watts] [Max] --- as per IS 24. Total Losses at 100% Loading [Watts] [Max]--- as per IS 25.Percentage Impedance at 75 deg. C at -----as per IS 26. No Load current: Less than 2% of full load current. 27. Standard Fittings & Accessories. a. Rating and terminal marking plate: One b. Lifting Lugs: Two c. Off-circuit tap switch: One. d. Earthing Terminals : Two e. Radiators (Attachable): Adequate f. Explosion vent with Diaphragm : One g. Conservator with Drain plug: one h. Oil filling hole with cap :One i. Oil level indicator: One j. Dehydrating Silica gel Breather: One k. Terminal Arrangement: HV With Terminal Box l. Terminal Arrangement: LV Cable Box m. Separate Neutral Bushing : One n. Drain cum filter valve with blanking plate: One o. Air release device: One p. Thermometer Pocket: One q. Four: Unidirectional flat rollers r. One :10Cm dial thermometer (Rigid stem type)

Providing independent earthing for Important equipment with 40mm dia 'B' class 2.5m long G.I pipe connected with G.I funnel with mesh enclosed in C.C.Chamber of 400m x 400m x 400mm with R.C.C. Slab cover duly providing staggered holes filling with salt and charcoal from the bottom of the pipe giving earth connection from electrode through G.I strip of 25 x 6mm x 200mm length with all accessories and labour charges complete, as per IS specifications 732/1982 (Part II)

Providing independent earthing for Sophisticated Electronic equipment with 600mm x 600mm x 3.15mm thick copper plate rigidly fixed to 40mm dia 'B' class 2.5m long G.I pipe connected with G.I funnel with wiremesh as per National Electric Code including C.C.Chamber of size 400m x 400m x 400mm covered with R.C.C. Slab filling with salt and charcoal giving earth connection from electrode G.I strip of 25mm x 6mm x 200mm length with all accessories and labour charges complete as per IS specification 732/1982 (Part II).

Supply and Run of 50mm x 6mm G.I Strip including cost of all accessories and labour charges etc., complete.

Supply and Run of 25mm x 3mm copper strip including cost of all accessories and labour charges etc., complete.

Supply, Installation, Testing and Commissioning of 240 Sqmm 3.5 Core XLPE insulated, 1100V grade armoured alluminium cable as per specification confirming to IS:7098 (Part - I) (From Power room to Panel board at Boys hostel) Makes: Torrent / Universal / KEI/Polycab

Supply and Making heat shrinkable 3.5 Core 240 sqmm outdoor terminations joint kit of approved make suitable for XLPE insulated 11 KV cable, with required components, prepration of cable ends, testing etc ,. complete. Makes: Raychem /M seal/ Denson/ Multy/ Transeal- Hongshang

Supply and making one end termination with heavy duty single compression brass gland as per BS 6121:2005 ,IP 66 complete, SIBG type, heavy duty Alluminium lugs duly crimped with crimping tool, PVC tape etc for 3.5C X 240 sqmm of Armoured PVC insulated & PVC sheathed/ XLPE aluminium conductor cable of 1100 volt grade as required of size.Makes:Dowels/Comet/SMI

Danger Boards for 11KV (Three Languages)