NIT No. 09 (23-24) Item No.5

Specification of BCP 30VDC / 20 Amp 1? FCBC for Andrew & Yule make 11 KV HT Panel :- 1. Type - FCBC, 2. Manufacturer - MMAX, 3. Make - MMAX, 4. Nominal input voltage - 1 PHASE 230V ±10%, 5. Frequency of input supply - 50 Hz ±5%, 6. Nominal output voltage - 30 V DC, 7. Output voltage variation -±0 .05V/cell at rectifier O/P, 8. Nominal output current - 20A [10A Battery + 10A Load], 9. DC O/P voltage Settings Nominal - 30 V (15 Cells of 2V/100AH SMF VRLA battery), Float @ 27?C [2.25V/Cell ±5%] - 33.0V [ Adjustable], Boost @ 27?C [2.35V/Cell ±5%] - 34.5V [ Adjustable], 10. Ripple - ? 5 % RMS, 11. Noise level - < 65 DB, 12. Static stability - INBUILT, 13. Charging method - Auto Boost & Float, 14. Operational ambient temperature range - 0? C - 55? C, 15. Boost charging automatically and manually - Both modes provided. 16. Rectifier Block Type - Thyristor-Diode full bridge half controlled. 17. DC filter type - LC, 18. Earthing - From body.19. Protection degree - IP - 30, 20. Cooling method - Natural & by Fan. 21. Structure steel - CRC, 22. Steel thickness - 16 SWG as per IS., 23. Structure Paint - Powder coating, 24. Paint Shade - RAL-7035, 25. AC Volt Meter Type / Size /Range/Accuracy Class - Analog /96 X 96 mm/0-50 A/1.5. 26. O/P Voltmeter Type / Size /Range/Accuracy Class - Analog /96 X 96 mm/0-50 A/1.5. 27. O/P Ammeter Type / Size /Range/Accuracy Class - Analog /96 X 96 mm/0-50 A/1.5. 28. Battery Charge/Discharge / Size /Range/Accuracy Class - Analog /96 X 96 mm/0-50 A/1.5, 29. I/P breaker -16A DP MCB, 30. Battery breaker - 25A DP MCB, 31. Load breaker - 40A DP MCB, 32. Outgoing Feeders - 16A DP MCB (3Nos.), 33. Over Load protection - Electronic, 34. Short circuit protection - Electronic & MCB, 35. O/P Over voltage protection - Electronic, 36. Rotary Switch - 3-way 2 pole, 37. Rectifier transformer VA RATING - 1200 VA, WINDING - Class F Copper Wire, Limits of temperature rise over ambient of 50°C - not more than 90? C, 38. Filter Choke RATING - 20A, WINDING - Class F Copper Wire, Limits of temperature rise over ambient of 50°C - not more than 90? C, 39. Control & Electronics Wiring - 0.5 sq. mm, AC Power Wiring - 1.5 sq. mm, DC Power Wiring - 6.0 sq. mm, 40. Blocking Diode - Provided, 41. Standards Applicable - Relevant IS & IEC, 42. Indications - MAINS ON MAINSA FAIL CHARGER ON CHARGER FAIL RECTIFIER FUSE FAIL FILTER FUSE FAIL DC OVER LOAD EARTH FAUL. Make: MMAX/HENS/JLDV/ Any DJB approved make

Installation Testing and Commissioning of New BCP for 11 KV Jyoti HT Panel at Bhagirathi the work includes disconnection of cable from the Main HT Panel and BCP termination. Installation of New BCP, termination of cable to BCP and HT Panel with new thimble and allied accessories. The work also includes civil work for dismantling of old BCP and installation of new BCP. Using all the safety measures, labour tools and tackles. Finally Testing and commissioning on no load and load.

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