For Installation of 33 KV indoor VCB at 33/11 KV Beniyabagh Substation EE, UEDD-II, under business Plan 2023-24

Amount

For Installation of 33 KV indoor VCB at 33/11 KV Beniyabagh Substation EE, UEDD-II, under business Plan 2023-24

Centralised Item

Supply, Unloading and shifting to store, installation in correct aligned position , testing and commissioning of indoor type,floor mounted metal clad,33KV VCB Panel with 2 No Incoming VCB, 4 No Outgoing VCB & 1No Bus Coupler Panel, totally enclosed & electrically interlocked,horizontal drawout,horizontal isolation type breaker as per IS 13118 as per specification having capacities as mentioned below ,single break trip free mechanism manually charged and closing breaker suitable for use on 33KV , 3Phase ,50Hz A.C. supply with short circuit fault level of 26.2kA , complete with self contained electrically interlocked rack in and rack out mechanism , breaker featured with mechanical ON/OFF indicator with hand trip device, spring release coil , shunt trip coil and auxiliary switch of 4NO+4NC and equipped with following switchgear and accessories i/c &o/g connections shall be as per the SLD (Cable entry from bottom) 02 no Incomer each comprising of: 1. 01 No 630 Amp. Elecrically operated VCB/Sf6 with earth switch & Isolator. 2. 01 No 33KV /√3 :110/√3 Volt PT CL 0.5 and 200 VA burden with 02 No Multifunction Meter with RS 485 to measurevoltage ,current,power factor,frequency , KW ,kVA,kWH,kVAH and protection MCB fuse at secondary & one nomber energy meter of suitable size. 3. 02 No Microprocessor based numerical relay with O/L, E/F and S/C protection . 4. Breaker control switch. 5. 110 V DC tripping coil. 6. 110 V DC closing coil. 7. Spring charging motor. 8. Set of ON/OFF/TRIP indicating lamps and phase indicating lamps. 9. Clear lamps for trip circuit healthy supply . 10. Aux relays for Anti pumpinng and fault indication. 11. 3 overcurrent DMT microprocessor relays with instantaneous high set element range 50-200%. 12. Earth fault realy range 20-80 % with series stabilizing resistor and PS class CTs. 13. Restrited Earth Fault relay with CTs. 14. Tripping relay for each type of fault. 15. Dual core ratio 3 CTs 75-150/5 A of 15VA burden and accuracy Class 0.5 for meteringand class 5P10 for protection. 16. Common alarm annunciator with windowa and buzzer, ACK, rest ,test push button for all electrical faults. 17. Suitable space for termination of 1 No 3C*300 sqmm 33kV XLPE cable as incoming. 4 No Outgoing each comprising of: 1. 01 No 630 Amp. Elecrically operated VCB/Sf6 with earth switch & Isolator. 2. 01 No 33KV /√3 :110/√3 Volt PT CL 0.5 and 200 VA burden with 02 No Multifunction Meter with RS 485 to measurevoltage ,current,power factor,frequency , KW ,kVA,kWH,kVAH and protection MCB fuse at secondary & one nomber energy meter of suitable size. 3. 02 No Microprocessor based numerical relay with O/L, E/F and S/C protection . 4. Breaker control switch. 5. 110 V DC tripping coil. 6. 110 V DC closing coil. 8. Set of ON/OFF/TRIP indicating lamps and phase indicating lamps. 9. Clear lamps for trip circuit healthy supply . 10. Aux relays for Anti pumpinng and fault indication. 11. Trip circuit supervision relay and lock out relay. 12. Master Trip circuit relay. 13. 3 overcurrent DMT microprocessor relays with instantaneous high set element range 50-200%. 14. Earth fault realy range 20-80 % with series stabilizing resistor and PS class CTs. 15. Restrited Earth Fault relay with CTs. 16. Tripping relay for each type of electrical and Transformer Fault. 17. Auxiliary relays for Bucholz , Oil , WTI ( Winding temp indication with alarm and trip). 18. Dual core ratio 3 CTs 25-50/5 A of 15VA burden and accuracy Class 0.5 for metering and class 5P10 for protection. 19. Common alarm annunciator with windows and buzzer, ACK, rest ,test push button for all transformer faults and electrical faults. 20. Suitable space for termination of 1 No 3C*300 sqmm 33kV XLPE cable as outgoing. 01 No 33kV bus coupler comprising of: 1. 01 No 630 Amp. Elecrically operated VCB/Sf6 with earth switch & Isolator. 2. 01 No 33KV /√3 :110/√3 Volt PT CL 0.5 and 200 VA burden with 02 No Multifunction Meter with RS 485 to measurevoltage ,current,power factor,frequency , KW ,kVA,kWH,kVAH and protection MCB fuse at secondary. 3. 02 No Microprocessor based numerical relay with O/L, E/F and S/C protection . 4. Breaker control switch. 5. 110 V DC tripping coil. 6. 110 V DC closing coil. 7. Spring charging motor. 8. Set of ON/OFF/TRIP indicating lamps and phase indicating lamps. 9. Clear lamps for trip circuit healthy supply . 10. 33kV HT panel ( 2 Incoming , 4 Outgoing & 1 Bus Coupler) described as above (supply).

Labour and Errection Charges

Installation in correct aligned position, testing and commissioning of indoor type, floor mounted metal clad, 33KV VCB Panel with 2 No Incoming VCB, 4 No Outgoing VCB & 1 No Bus Coupler Panel, totally enclosed & electrically interlocked, horizontal draw out, horizontal isolation type breaker as per IS 13118 as per specification having capacities as mentioned below, single break trip free mechanism manually charged and closing breaker suitable for use on 33KV, 3Phase ,50Hz A.C. supply with short circuit fault level of 26.2kA, complete with self contained electrically interlocked rack in and rack out mechanism, breaker featured with mechanical ON/OFF indicator with hand trip device, spring release coil, shunt trip coil and auxiliary switch of 4NO+4NC and equipped with following switchgear and accessories i/c &o/g connections shall be as per the SLD (Cable entry from bottom) 02 no Incomer each comprising of: 1. 01 No 630 Amp. Elecrically operated VCB/Sf6 with earth switch .. 2. 01 No 33KV /√3 :110/√3 Volt PT CL 0.5 and 200 VA burden with 02 No Multifunction Meter with RS 485 to measurevoltage ,current,power factor,frequency , KW ,kVA,kWH,kVAH and protection MCB fuse at secondary. 3. 02 No Microprocessor based numerical relay with O/L, E/F and S/C protection . 4. Breaker control switch. 5. 110 V DC tripping coil. 6. 110 V DC closing coil.7. Spring charging motor. 8. Set of ON/OFF/TRIP indicating lamps and phase indicating lamps. 9. Clear lamps for trip circuit healthy supply . 10. Aux relays for Anti pumpinng and fault indication.11. 3 overcurrent DMT microprocessor relays with instantaneous high set element range 50-200%. 12. Earth fault realy range 20-80 % with series stabilizing resistor and PS class CTs. 13. Restrited Earth Fault relay with CTs. 14. Tripping relay for each type of fault. 15. Dual core ratio 3 CTs 75-150/5 A of 15VA burden and accuracy Class 0.5 for meteringand class 5P10 for protection. 16. Common alarm annunciator with windowa and buzzer, ACK, rest ,test push button for all electrical faults. 17. Suitable space for termination of 1 No 3C*300 sqmm 33kV XLPE cable as incoming. 4 No Outgoing each comprising of: 1. 01 No 630 Amp. Elecrically operated VCB/Sf6 with earth switch ..2. 01 No 33KV /√3 :110/√3 Volt PT CL 0.5 and 200 VA burden with 02 No Multifunction Meter with RS 485 to measurevoltage ,current,power factor,frequency , KW ,kVA,kWH,kVAH and protection MCB fuse at secondary .3. 02 No Microprocessor based numerical relay with O/L, E/F and S/C protection .4. Breaker control switch.5. 110 V DC tripping coil.6. 110 V DC closing coil.7. Spring charging motor.8. Set of ON/OFF/TRIP indicating lamps and phase indicating lamps.9. Clear lamps for trip circuit healthy supply .10. Aux relays for Anti pumpinng and fault indication.11. Trip circuit supervision relay and lock out relay.12. Master Trip circuit relay.13. 3 overcurrent DMT microprocessor relays with instantaneous high set element range 50-200%.14. Earth fault realy range 20-80 % with series stabilizing resistor and PS class CTs.15. Restrited Earth Fault relay with CTs.16. Tripping relay for each type of electrical and Transformer Fault.17. Auxiliary relays for Bucholz , Oil , WTI ( Winding temp indication with alarm and trip).18. Dual core ratio 3 CTs 25-50/5 A of 15VA burden and accuracy Class 0.5 for metering and class 5P10 for protection.19. Common alarm annunciator with windows and buzzer, ACK, rest ,test push button for all transformer faults and electrical faults.20. Suitable space for termination of 1 No 3C*300 sqmm 33kV XLPE cable as outgoing. 01 No 33kV bus coupler comprising of: 1. 01 No 630 Amp. Elecrically operated VCB/Sf6 with earth switch .. 2. 01 No 33KV /√3 :110/√3 Volt PT CL 0.5 and 200 VA burden with 02 No Multifunction Meter with RS 485 to measurevoltage ,current,power factor,frequency , KW ,kVA,kWH,kVAH and protection MCB fuse at secondary. 3. 02 No Microprocessor based numerical relay with O/L, E/F and S/C protection . 4. Breaker control switch. 5. 110 V DC tripping coil. 6. 110 V DC closing coil. 7. Spring charging motor. 8. Set of ON/OFF/TRIP indicating lamps and phase indicating lamps. 9. Clear lamps for trip circuit healthy supply . 10. 33kV HT panel ( 2 Incoming , 4 Outgoing & 1 Bus Coupler) described as above ( installation).

Dismantling of HT panel

Cartage of dismantled above panel & bus coupler

Repairing of damaged trench

Making connection of Cable to panel

M/s Shreyashi Engineering Works