UPGRADATION OF TRANSFORMER/VCB INTO ENERGY EFFICIENT EQPT UNDER GE U ELECTRIC SUPPLY, DELHI CANTT-10

Supply, installation, commissioning and testing the following Vacuum Circuit breaker 11 KV, Indoor type, 3 phase 50 cycle ( 50 HZ) totally enclosed metal clad switch gear panel factory made, shall be constructed from CRCA with powder coating (Front door & end covers) and Aluminium Zinc coated steel sheet (complete panel structure) of 2 mm thickness with indoor vacuum circuit breaker floor mounted composite panel with common copper tinned self supported bus bar complete, dust and vermin proof free standing consisting total 5 nos 11 KV VCB panels as per following description & including 1 no Inbuilt Power pack 230 V AC / 110 V DC to be provided with panel . The panel shall be tested for supply with short circuit fault level of 26.3kA for 3 sec and IAC AFLR for 26.3 kA for 1 second. There must be a viewing window on VCB chamber door and same must be as per Internal arc test report. The complete VCB panels should be SCADA compatible. The Circuit Breaker shall be of only floor rolling type design with encapsulated Vacuum bottles of panel manufacturer's own make. Make of Vacuum interrupter, circuit breaker, Panel, relays & meters shall be same. and shall have all fool-proof interlocks as : Interlocks shall be provided to prevent a ‘Closed’ breaker to rack out from ‘Service’ to ‘Test’ /'Isolated’, position or insert a ‘closed’ breaker from ‘Test’ to ‘Service’ position. In either case the breaker contacts must remain in open position. Before racking out the breaker must be fully discharged from any static charge. Switchgear should be SCADA Compatible. - (1 No incomer+04 Nos outgoing = 05 Nos VCBs). Make of Panel shall be limited to : ABB/ SIEMENS/ SCHNEIDER INFRASTRUCTURE [Channel partner / System Integrator / Authourized Partner/ License partner make RMU shall not be accepted.] (Location - ME Line S/S).

(A)   INCOMING VCB PANEL EACH CONSISTING OF THE FOLLOWING EQUIPMENT :- (a)   One No 800 Amps capacity triple pole metal clad HT control panel totally enclosed extendable pattern air insulated metal clad housing, floor mounting vertically isolated, vermin proof, fully interlocked horizontal draw out type having double isolation features & control device with grounded neutral system and equipped with the following equipment. (i)  One set of 3 phase 800 Amps air insulated, tinned copper bus bar with insulated colour coating. (ii)    One set of side frame for housing for circuit breaker carriage. (iii)   6 Nos 800 amps isolators plugs. (iv)  One set of mechanical interlock and automatic shutter system, (v)    One 800 Amp triple pole 350 MVA rupturing capacity VCB with automatic drop out and manually charged and motor operated spring closed mechanism complete with auxiliary switches, truck mounted draw out, vacuumed circuit breaker, incorporating mechanical as well as electrical ON/OFF indication, mechanical indication "ON" push button for emergency trip & 30 Volts DC trip coil. (vi) One cable box suitable for existing HT XLPE 3 core under ground cable 11000 volts pressure. (vii) 03 Nos double wound current transformer dual ratio 300-150/5+5 amps for protection and metering having adequate VA burden and accuracy. (viii)  One 3 phase horizontal draw out type voltage transformer 100 VA burden and accuracy mounted on the draw able housing for 11000 volts/ 110 volts with protection fuse. (ix)    Accessories including Breaker Control Switch (T-N-C), space heater with thermostat, DC , AC control circuit through MCB, Indicating Lamps for RYB, spring charge, DC healthy, Breaker ON/OFF/TRIP and TEST/ SERVICE position, Multifunction Meter with RS485 port for MODBUS communication, Digital Ammeter, Digital Voltmeter.

(x)  Flush mounted type auxiliary powered Microprocessor based numerical IDMT relay (VCB Panel manufacturer's own Make) with Over Current, Earth Fault, Over Voltage, Undervoltage, High impedance fault protection & communicable on IEC61850-9-2LE, Edition 2.1 protocal for protection and Status monitoring with Master trip and Trip Ckt Supervision relay. Relay shall have programable 16 digital Inputs and 10 outputs. -1 No. (xi)  Master trip relay, Auxiliary relay for transformer OTI, WTI, Bucholz, Annunciator 6 window . (xii)  One No volt coil to trip the VCB on failure of electric supply. (xiii)  One set of mechanical interlock and automatic shutter gear. (xiv)  230 volts AC single phase 80 watt rated strip heater with switch and thermostat space heating. (xv)  DC 30 volts tripping system with suitable power pack including, siren/ horn alarm and accept switch and over voltage protecting relay. (xvi) Motor charging with AC motor. (xvii) Integrated making type earthing switch in cable compartment. (B) OUT GOING VCB PANEL 630 AMPS EACH CONSISTING OF THE FOLLOWING EQUIPMENT :- (a)   One No 630 Amps capacity triple pole metal clad HT control panel totally enclosed extendable pattern air insulated metal clad housing, floor mounting vertically isolated, vermin proof, fully interlocked horizontal draw out type having double isolation features & control device with grounded neutral system and equipped with the following equipment. (i)   One set of 3 phase 630 amps air insulated tinned copper bus bar with color coating. (ii)  One set of side frame houring with circuit breaker carriage. (iii)   06 Nos 630 amps isolating plugs. (iv)  One set of mechanical interlock and automatic safety shutter gear.

(v)    One 630 Amp triple pole 350 MVA rupturing capacity VCB with automatic drop out and manually charged and motor operated spring closed mechanism complete with auxiliary switches, truck mounted draw out, vacume circuit breaker, incorporating mechanical as well as electrical ON/OFF indication, mechanical indication "ON" push button for emergency trip & 30 Volts DC trip coil. (vi)  One rear cable box for reception of one upto 300 sqmm HT XLPE 3 core cable 11 KV pressure. (vii) Three nos primary wound current transformer ratio 200-100/5+5 amps for the protection and metering having adequate VA burden and averaging. (viii)  Accessories including Breaker Control Switch (T-N-C), space heater with thermostat, DC , AC control circuit through MCB, Indicating Lamps for RYB, spring charge, DC healthy, Breaker ON/OFF/TRIP and TEST/ SERVICE position, Multifunction Meter with RS485 port for MODBUS communication, Digital Ammeter, Digital Voltmeter. (ix)  Flush mounted type auxiliary powered Microprocessor based numerical IDMT relay with Over Current, Earth Fault, Over Voltage, Undervoltage, High impedance fault protection & communicable on IEC61850-9-2LE, Edition 2.1 protocal for protection and Status monitoring with Master trip and Trip Ckt Supervision relay. Relay shall have programable 16 digital Inputs and 10 outputs. -1 No. (x) DC 30 volts tripping system connected to common siren / horn alarm but with separated reception switch ( accept switch). (xi) Motor charging with AC motor.E10 (xii) Integrated making type earthing switch in cable compartment. Note : (a) Apart from above, any items/parts required for smooth operation of incoming/outgoing VCB are deemed to be included in quoted rate. (b) Proposed VCB shall be fixed with existing VCB Panel at power house with all necessary extension of Bus bar chamber if required. Alternatively teh VCB may be of same make as existing to matchwith the bus bar withour extension chember. Rate is inclusive of extension of bus bar chamber including making of fixing arrangment, making suitable size of duct etc

All as per Ser No 1 above but consiting of 630 A VCB 11 KV - 01 No. Incomer and 630A VCB 11 KV 01 Nos. outgoing complete all as specified and as directed. Loc : SFC Naraina

All as per Ser No 1 above but consiting of 630 A VCB 11 KV - 01 No. Incomer and 630A VCB 11 KV 02 Nos. outgoing complete all as specified and as directed. Loc : HQ TG EME

All as per Ser No 1 above but consiting of 800 A VCB 11 KV - 01 No. Incomer and 630A VCB 11 KV 5 Nos. outgoing complete all as specified and as directed. Loc : Chitral Line

Supply, installation, commissioning and testing the following Vacuum Circuit breaker 11 KV, Indoor type, 3 phase 50 cycle ( 50 HZ) totally enclosed metal clad switch gear panel factory made, shall be constructed from CRCA with powder coating (Front door & end covers) and Aluminium Zinc coated steel sheet (complete panel structure) of 2 mm thickness with indoor vacuum circuit breaker floor mounted composite panel with common copper tinned self supported bus bar complete, dust and vermin proof free standing consisting total 5 nos 11 KV VCB panels as per following description & including 1 no Inbuilt Power pack 230 V AC / 110 V DC to be provided with panel. The panel shall be tested for supply with short circuit fault level of 26.3kA for 3 sec and IAC AFLR for 26.3 kA for 1 second. There must be a viewing window on VCB chamber door and same must be as per Internal arc test report. The complete VCB panels should be SCADA compatible. The Circuit Breaker shall be of only floor rolling type design with encapsulated Vacuum bottles of panel manufacturer's own make. Make of Vacuum interrupter, circuit breaker, Panel, relays & meters shall be same and shall have all fool-proof interlocks as : Interlocks shall be provided to prevent a ‘Closed’ breaker to rack out from ‘Service’ to ‘Test’ /'Isolated’, position or insert a ‘closed’ breaker from ‘Test’ to ‘Service’ position. In either case the breaker contacts must remain in open position. Before racking out the breaker must be fully discharged from any static charge. Switchgear should be SCADA Compatible. - (02 Nos incomer+04 Nos as outgoing+ 02 Nos Bus Coupler= 08 Nos VCBs Panels). Make of Panel shall be limited to : ABB/ SIEMENS/ SCHNEIDER INFRASTRUCTURE [Channel partner / System Integrator / Authourized Partner/ License partner make RMU shall not be accepted.] (Location - Old Base S/S)

(A)   INCOMING VCB PANEL EACH CONSISTING OF THE FOLLOWING EQUIPMENT :- (a)   One No 800 Amps capacity triple pole metal clad HT control panel totally enclosed extendable pattern air insulated metal clad housing, floor mounting vertically isolated, vermin proof, fully interlocked horizontal draw out type having double isolation features & control device with grounded neutral system and equipped with the following equipment. (i)  One set of 3 phase 800 Amps air insulated, tinned copper bus bar with insulated colour coating. (ii)    One set of side frame for housing for circuit breaker carriage. (iii)   6 Nos 800 amps isolators plugs. (iv)  One set of mechanical interlock and automatic shutter system, (v)    One 800 Amp triple pole 350 MVA rupturing capacity VCB with automatic drop out and manually charged and motor operated spring closed mechanism complete with auxiliary switches, truck mounted draw out, vacuumed circuit breaker, incorporating mechanical as well as electrical ON/OFF indication, mechanical indication "ON" push button for emergency trip & 30 Volts DC trip coil. (vi) One cable box suitable for existing HT XLPE 3 core under ground cable 11000 volts pressure. (vii) 03 Nos double wound current transformer dual ratio 300-150/5+5 amps for protection and metering having adequate VA burden and accuracy. (viii)  One 3 phase horizontal draw out type voltage transformer 100 VA burden and accuracy mounted on the draw able housing for 11000 volts/ 110 volts with protection fuse. (ix)    Accessories including Breaker Control Switch (T-N-C), space heater with thermostat, DC , AC control circuit through MCB, Indicating Lamps for RYB, spring charge, DC healthy, Breaker ON/OFF/TRIP and TEST/ SERVICE position, Multifunction Meter with RS485 port for MODBUS communication, Digital Ammeter, Digital Voltmeter.

(x)   Flush mounted type auxiliary powered Microprocessor based numerical IDMT relay (VCB Panel manufacturer's own Make) with Over Current, Earth Fault, Over Voltage, Undervoltage, High impedance fault protection & communicable on IEC61850-9-2LE, Edition 2.1 protocal for protection and Status monitoring with Master trip and Trip Ckt Supervision relay. Relay shall have programable 16 digital Inputs and 10 outputs. -1 No. (xi)  Master trip relay, Auxiliary relay for transformer OTI, WTI, Bucholz, Annunciator 6 window . (xii)  One No volt coil to trip the VCB on failure of electric supply. (xiii)  One set of mechanical interlock and automatic shutter gear. (xiv)  230 volts AC single phase 80 watt rated strip heater with switch and thermostat space heating. (xv)  DC 30 volts tripping system with suitable power pack including, siren/ horn alarm and accept switch and over voltage protecting relay. (xvi) Motor charging with AC motor. (xvii) Integrated making type earthing switch in cable compartment. (B) OUT GOING VCB PANEL 630 AMPS EACH CONSISTING OF THE FOLLOWING EQUIPMENT :- (a)   One No 630 Amps capacity triple pole metal clad HT control panel totally enclosed extendable pattern air insulated metal clad housing, floor mounting vertically isolated, vermin proof, fully interlocked horizontal draw out type having double isolation features & control device with grounded neutral system and equipped with the following equipment. (i)   One set of 3 phase 630 amps air insulated tinned copper bus bar with color coating. (ii)  One set of side frame houring with circuit breaker carriage.