NIT No. 35/EE(EM)WS S-I/(19-20) Item No-1

Specification of Battery Charger 30VDC/20 Amp 1 FCBC for 3.3 KV HT Panel 1.Type: FCBC 2Make: Mmax Power/Gain guard or equivalent make 3.Nominal Input voltage: 1 phase 230 V+ 10% 3. Frequency of input voltage: 50 Hz+ 5% 4. Nominal out put voltage: 30 V DC 5. Output voltage variation: +0.05V/cell at rectifier O/P 6. Nominal output current : 20 A(10 A Battery + 10 A Load)7. DC O/P voltage setting Nominal voltage: 30 V(15 cells of @V/100 AH SMF VRLA battery)make of battery: Exide/Amara raja/Amaron/Nuteck, Float@27C temp. (2.25V/Cell+/-5%):33V(adjustable), 8.Boost@27 C temp.: 34.5 V Adjustable 9. Ripple: < 5% RMS 10. Noise level: < 65 DB, 11. Static Stability: INBUILT 12. Charging method: Auto Boost & Float,13. Operational ambient temperature range: O C – 55 C, 14. Boost Charging automatically and manually: Both mode provided 15. Rectifier Block Type: Thyristor diode full bridge half controlled ,16. DC filter type: LC,17. Earthling: from body,18. Protection degree: IP-30, 19. Cooling method: Natural and by fan 20. Structure Paint: Power coating, 21. Structure steel: CRC, 22. Steel thickness: 16 SWG as per IS,23. Paint shade: RAL-7035,24. AC Voltmeter Type/Size/Range/Accuracy/ class Make: AE/YOKINS/ ANY DJB approved : Analog/96X96 mm/0-300 V/1.5, 25. O/P Voltmeter Type/Size/Range/Accuracy/ class Make: AE/YOKINS/ ANY DJB approved: Analog/96X96 mm/0-50 V/1.5, 26. O/P Ammeter Type/Size/Range/Accuracy/ class Make: AE/YOKINS/ ANY DJB approved: Analog/96X96 mm/0-0A/1.5, 27. Battery Charge/ Discharge/size/Range/ Accuracy class Make: AE/YOKINS/ ANY DJB approved: Analog/96X96 mm/-100-0+100 A /1.5, 28. I/P Breaker MAKE:C&S/SCHNEIDER/ANY DJB approved: 16 A DP MCB, 29. Battery Breaker MAKE:C&S/SCHNEIDER/ANY DJB approved: 25 A DP MCB, 30. Load breaker MAKE:C&S/SCHNEIDER/ANY DJB approved: 40 A DP MCB, 31. Out going feeder MAKE:C&S/SCHNEIDER/ANY DJB approved: 16 A DP MCB(3 Nos),32. Over Load protection: Electronic, 33. Short circuit protection: Electronic&MCB,34. O/P over voltage protection: Electronic,35. Rotary Switch: 3 way 2 pole, 36. Rectifier transformer VA rating:1200 VA, 37. Rectifier transformer winding: Class F copper wire, 38. Rectifier transformer :Limit of temperature rise over ambient of 50 C: Not more than 90 C,39. Filter Choke rating:20A , 40. Filter Choke winding: Class F copper wire,41. Filter Choke Limit of temperature rise over ambient of 50 C: Not more than 90 C,42. Control & Electronics wiring MAKE:HAVELLS/ POLYCAB/ ANY DJB approved: 0.5 sq.mm, 43. AC power wiring MAKE:HAVELLS/POLYCAB/ ANY DJB approved: 1.5 sq.mm,44. DC power wiring MAKE:HAVELLS/ POLYCAB/ ANY DJB approved: 6.0 sq.mm,45. Blocking diode provided, 46. Standards Applicable: Relevant IS & IEC 47. Push Buttons: PB1-Test PB2- Hooter Accept,48. Indications: Mains On, mains fail, charger on, charger fail, rectifier fuse fail, dc over load, earth fault, control supply fail

Installation Testing and Commissioning of New Battery Charger Panel for 3.3 KV HT panel at MBR the work include dismantling of old BCP along with 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. Testing & commissioning of the panel with relevant IS

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