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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹100.0 LAccepted-Finance MAIRAKATA P O GARBETA DIST PASCHIM MEDINIPUR 721127 | GARBETA | PASCHIM MEDINIPUR | WEST BENGAL | 721127 | L1 | Accepted-Finance 1st lowest | |
| 2 | L2₹1.2 Cr+₹25.0 L (25.0%)Rejected-Finance GR 8 ADDA BUILDING 1ST FLOOR CITY CENTRE DURGAPUR 16 | DURGAPUR | PASCHIM BARDHAMAN | WEST BENGAL | L2 | Rejected-Finance 2nd lowest | |
| 3 | L3₹1.3 Cr+₹31.3 L (31.3%)Rejected-Finance 133 GARFA MAIN ROAD KOLKATA 700 078 | KOLKATA | KOLKATA | WEST BENGAL | 700078 | L3 | Rejected-Finance 3rd lowest |
| Sl No | Description | Qty | Unit | Prava Enterprise L3 | DURGAPUR POWER L2 | R.K.ENTERPRISE L1 |
|---|---|---|---|---|---|---|
| 1.00Supply and delivery of 11KV, 800Amps., triple pole, 26.3 KA,Three Panel Horizontal draw out & Horizontal isolation Indoor VCB as per major technical specifications below :- (Make:- PASCAL / Alstom/Beicco ) 1 No. Incomer Panel MOVING PORTION :- a) 11KV, 800Amps., 26.3 KA draw out type Vacuum Circuit Breaker with Motorised independent Spring charge Mechanism suitable for 240 volt AC, Closing & Tripping Coils Rated 110 volt DC. b) Vaccum Interrupter(Make : ABB)- 3 Nos. c) Mechanical ON / OFF indicator - 1 set d) Auxiliary Switch ( 4NO + 4 NC )Imax - 1 set e) Automatic safety shutters. – 1 set f) Mechanical interlocks. - 1 set. FIXED OR IMMOVABLE PORTION : a) Fully compartmentalised sheet steel totally enclosed floor mounted with automatic safety shutter, Horizontal drawout & Horizontal Isolation alongwith insulated PVC sleeve, 800 A copper busbar, foundation bolts etc. with provision for Rear entry cable termination arrangement / box for 3Cx185 sq mm PILC / XLPE , HT power cable. b) Epoxy resin cast Duel Core C T ratio 50 - 25 / 5 - 5 with protection class - 5P10 and Metering class - 1, Burden 15/15 VA & adequate STC for 1 sec.– 3 nos. c) 3 phase, 11KV/√3 / 110V/√3, 100 VA , 3 limb star / star connected draw-out type resin cast P.T. with 100VA per phase output at Class – 1 accuracy for metering purpose provided with necessary HT / LT fuses, shutters, etc. - 1 set. | ||||||
| 1.01BREAKER PANEL INDICATION LAMPS :- a) LED type Red / Green / Amber etc. indicator lamps for Bkr. ON / OFF /Auto Trip / Trip Ckt. Healthy / Spring Charge / TCH / ETC for indication.- 1 set b) P. T. indication R / Y/ B - LED Lamp- 1 set c) Cubicle panel illuminating Lamp - 1 set SWITCH AND ACCESSORIES :- a) Panel space Heater, Thermostat with ON / OFF switch-- 1 set b) T-N-C Switch , Motor ON /OFF Switch & etc. RELAY :- a) IDMT Relay, Type: CDG31, as Triple pole non directional shunt trip OCEF relay having 2 over current element of setting 50 – 200% and 1 earth fault element of 20 – 80% with high setting instance. Make : Areva / Alstom / Equivalent - 1 Set b) Master tripping relay,Type: - VAJH-13 Make : Areva / Alstom / Equivalent -- 1 set MEASURING INSTRUMENT:- a) Digital type Ammeter with Selector switch, Make:Schneider / Selec / Secure / equivalent -- 1 set b) Digital type Voltmeter with Selector switch ,Make:Schneider / Selec / Secure / equivalent -- 1 set c) 3 phase,Digital Multi-Function Meter, Make: Schneider / Selec / Secure / equivalent -- 1set Other items :- power pack , input : 110 VAC & Output : 110VDC, 3PH- 4W, Burden : 300/500 VA , Storage : 4 Close + 4 Trip Cycles 30 sec. | ||||||
| 1.022 Nos. outgoing Panel MOVING PORTION :- a) 11KV, 800Amps., 25 KA draw out type Vacuum Circuit Breaker with Motorised independent Spring charge Mechanism suitable for 240 volt AC, Closing & Tripping Coils Rated 110 volt DC. b) Vaccum Interrupter, Make : ABB / EQUIVALENT c) Mechanical ON / OFF indicator -- 1 set d) Auxiliary Switch ( 4NO + 4 NC ) -- 1 set e) Automatic safety shutters. – 1 set f) Mechanical interlocks. -- 1 set FIXED OR IMMOVABLE PORTION :- a) Fully compartmentalised sheet steel totally enclosed floor mounted with automatic safety shutter, Horizontal drawout & Horizontal Isolation alongwith insulated PVC sleeve, 800 A copper busbar, foundation bolts etc. with provision for Rear entry cable termination arrangement / box for 3Cx185 sq mm PILC / XLPE , HT power cable. b) Epoxy resin cast Duel Core C T ratio 50 / 25 / 5 - 5 Amp with protection class - 5P10 and Metering class - 1 , Burden 15 / 15 VA & adequate STC for 1 sec. – 6 nos. BREAKER PANEL INDICATION LAMPS :- a) LED type Red / Green / Amber etc. indicator lamps for Bkr. ON / OFF /Auto Trip / Trip Ckt. Healthy / Spring Charge / TCH / ETC for indication.- 1 set b) Cubicle panel illuminating Lamp - 1 set | ||||||
| 1.03SWITCH AND ACCESSORIES :- a) Panel space Heater, Thermostat with ON / OFF switch -- 1 set b) T-N-C Switch , Motor ON /OFF Switch & etc. RELAY :- a) IDMT Relay, Type: CDG31/153/7SR10, as Triple pole non directional shunt trip OCEF relay having 2 over current element of setting 50 – 200% and 1 earth fault element of 20 – 80% with high setting instance. Make : Areva / Alstom / Equivalent -- 1 Set b) Auxiliary Relay , Transformer Protection Relay, Type: VAA-33, Make : Areva / Alstom / Equivalent -- 2 set c) Master tripping relay,Type: - VAJH-13 Make : Areva / Alstom / Equivalent -- 1 set d) 6/8 Window Annunciator(EAPL) - 1 Set MEASURING INSTRUMENT: a) Digital type Ammeter with Selector switch, Make:Schneider / Selec / Secure / equivalent -- 1 set b)Digital type Voltmeter with Selector switch, Make:Schneider / Selec / Secure / equivalent -- 1 set c) 3 phase,Digital Multi-Function Meter, Make: Schneider / Selec / Secure / equivalent -- 1set | ||||||
| 1.04Mandatory Type Test :-(As per IS 3427 & IEC 62271 - 200 clause - 6) The following test have to be conducted from any Govt. NABL accridated laboratory. 1. Lightning Impulse voltage withstand Test at 75 kv peak 2. Dry Power Fequency Voltage withstand Test (sub clause - 6.2) 3. Short Time withstand current and Peak withstand current Test at 25KA for 3 sec. with initial peak 66KA for main ckt. & 25KA for 1 sec. with initial peak 66KA for each ckt. (sub clause- 6.6 of IEC 62271-200, & 62271-100, 2008) 4. Temparature Rise Test at 800 Amp., 50 Hz.(sub clause - 6.4 & 6.5) 5. Mechanical Operation Test at ambient air temperature ( class M2 & IEC 62271-100, 2008) : 10,000 Operation 6. Degree of Protection IP5X, ( IS 13118 & IS 3427 , IEC 62271 - 100 & 62271 - 200 ) 7. Internal arc test --- .01 sec [Photo copies of certificates to be uploaded in online for above] Routine Test : - As per IS 13118 , IEC 62271 - 100(2008) & 62271 - 200(2003) 1. Power Fequency withstand Test on Main Circuit Auxiliary Circuit and Control Circuit 2. Power Fequency Voltage Test for 1 Min. between Terminal with Breaker ON/OFF 3.Mesurement of the Resistance of main Circuit 4. Mesurement of opening and closing times 5. Mechanical Test 6. Paint Shade : RAL- 7032 | ||||||
| 1.05 | Terms & Condition:-
1. Guarantee period 18 months from the date of delivery and 12 months from the date of installation & commissioning.
2 Price variation clause will not be entertained.
3. Materials should be delivered at work site / concerned Section office in consultation with the Executive Engineer.
4. All sorts of Test Certificate must be submitted from the manufacturer at the time of delivery of materials to the concerned officers.
5. Validity offer to be mentioned specially & clearly.
6. Quantity may be increased or decreased as per actual requirement.
7. All mandatory NABL accridated test certificateswill have to be submitted with Bid Documents during e-tendering.
8. The manufacturer must submit closing and tripping time curve after testing on abreaker analyzer. For major components like C.T, P.T, Meter and relays the routine test certificate of the respective manufacturers need to sbmitted.
9. Bidder will arange the technical personnel of manufacturersto be present at site during commisioning .No extra cost can be claimed for this purpose. | 1 | Item | 17,45,810 ₹17,45,810 Lowest | 17,45,810 ₹17,45,810 Lowest | 20,32,766 ₹20,32,766 |
| 2.00SUB-HEAD 2:- TRANSFORMERS Supply & lnstallation of 500 KVA 11000V / 433V Oil Filled Transformer OCTC SUPPLY : Suppy of 3 phase Oil immersed oil natural air natural (ONAN) type indoor transformer - 500 KVA, 11000V / 433V, Dyn 11, Power 500KVA ( as per IS 1180 AMENDMENT No. 4, 2021 ) off circuit tap 6 Step / 7 position i.e. @2.5% , +5% to -10%, Transformer shall be double wound, core type with low loss, non ageing, high permiability PRIME GRADE, CRGO with M4 Grade or Better, perfectly. Insulated and clamped to minimizenoise and vibrations. Transformer shall be of BOLTLESS core design & core shall be purchased directly from Manufacturer from their accredidted organization. Winding shall be made with 99.9% pure electrolytic grade copper insulated with high grade paper insulation. Manufacturer shall provide followings for LV coils so as to reducethe stray loss and overall surface area. The HV & LV winding should be able withstand thermal and mechanical stress in te event of short circuit. Transformer oil shall be as per IS-335 : 1993. It shall be "PCB free and polycyclic Aromatic Hydrocarbons free minarel oil " The material safety Data sheets (MSDS) for the transformer oil shall be submitted by the bidder along with the offer. The tank together with radiator, conservator, bushings and other fittings shall be designed to withstand without permanent distortion the following conditions. | ||||||
| 2.01 | a) Full vacume of 760 mm of Hg. For filling with oil by vacum. b) Internal gas pressure of 0.35 Kg/cm2 (5 lbs / sq. in) with oil at
operating level. Transformer shall be fitted with cable boxes / cable box with disconnecting chambers. The cable boxes shall be suitable for termination 3 runs of 300 sq.mm XLPE cable. All contacts for alarm, trip and indication circuits shall each be electrically free, wired for auxiliary D.C. supply as specified and brought out to seperate terminals at the terminal blocks in the marshalling box. Terminals shall be rated for rated for 10A wiring shall be with stranded, copper conductors of sizes not smaller than 1.5 sq.mm for control and 2.5 mm for C.T. circuits. C.T. terminals shall be provided with shorting facility. ( MAKE : CROMPTON GREAVES / ABB/ SCHNEIDER / VOLTAMP)
KVA Rating - 500 KVA, No. of phase and rated frequency - 3-Phase, 50Hz, Rated Voltage (KV) - HV - 11 , LV - 0.433
Connection - HV - Delta , LV - Star , Vector Group - Dyn 11
Winding - HV - Copper , LV- Copper
Insulation level (Impulse withstand) (KV peak)- HV-75,LV Insulation level (power frequency withstand) (kv rms) HV - 28, LV- 3,Tapping: Range - +5% to -10% @2.5% No. of steps - 6
On HV - Yes, Tapping changer type - OCTC, Temparature rise of oil / winding over design ambient temparature of 50 Digree C - 50/55 (Digree C) Hot spot temparature rise over a maximum yearly weighted temparature of 32 Digree C, Voltmeter with selector switch (Digital) -1, Emergency meter EM 6400 (Class-0.5) -1
Annunciation windows - 12, RELAY : Numerical O/C +E/F protection relay (in MODBUS) -1 (Type MiCOM P111L) Lock out relay (Master Trip relay) VAJH13 (86) - 1
Auxiliary relay for Transformer Fault Indication (Type - VAA33) | 1 | Set | 45,13,810 ₹45,13,810 | 45,13,810 ₹45,13,810 | 34,82,516 ₹34,82,516 Lowest |
| 3.00Supply ,Installation,Testing,Commissioing of LT Panel with Allied work. Supply & delivery of cubical type L.T. Distribution panel board of required size to comprise the below mentioned components , base mounted compartmentalized with maple arrangement having rigid & self supporting structure fabricated from 3 mm thick CRCA sheet steel with M/S angle frame. The panel board consisting of the following switches. [Manufacturer/Fabricator having Test Certificates from CPRI]. An Auto Cad Drawing of the panel has to approved by EIC before making of panel. | ||||||
| 3.01A) Incoming Arrangement. Supply and fixing in a separate chamber Microprocessor realeased based 50HZ, 415V 1600 Amp, Breaking capacity 50KA, EDO Drawout type ACB with IPR2 4 -pole -----including all accessories as directionof the EIC( Make L&T, Cat No.- SL96075 or equivalent cat of Legrand/Seimens or equivalent make as per approved by EIC)- 1 No. | ||||||
Tender Value
Refer Docs
EMD Value
₹1.0 L
Closing Date
24 Mar 2026, 12:30 pmClosed
Executive Engineer, PWDte
Bankura
Upgradation and Augmentation of existing Sub Station with allied works (Both Civil and Electrical works) at Khatra SD Hospital premises, Khatra, Bankura-----For Electrical Part.
2026_WBPWD_1019904_1
WBPWDTE/EE/BED/NIQ_104/Q of 2025-26
Open Tender
ELECTRICAL WORKS ORG
Item Wise
120 days
Khatra SD Hospital
Please refer Tender documents.
4 documents required · 4 mandatory
₹1.0 L
12 May 2026
10 Mar 2026
27 Mar 2026
10 Mar 2026
24 Mar 2026
10 Mar 2026
| Sl No | Description | Qty | Unit | Est. Rate | Est. Amount |
|---|---|---|---|---|---|
| 1Supply and delivery of 11KV, 800Amps., triple pole, 26.3 KA,Three Panel Horizontal draw out & Horizontal isolation Indoor VCB as per major technical specifications below :- (Make:- PASCAL / Alstom/Beicco ) 1 No. Incomer Panel MOVING PORTION :- a) 11KV, 800Amps., 26.3 KA draw out type Vacuum Circuit Breaker with Motorised independent Spring charge Mechanism suitable for 240 volt AC, Closing & Tripping Coils Rated 110 volt DC. b) Vaccum Interrupter(Make : ABB)- 3 Nos. c) Mechanical ON / OFF indicator - 1 set d) Auxiliary Switch ( 4NO + 4 NC )Imax - 1 set e) Automatic safety shutters. – 1 set f) Mechanical interlocks. - 1 set. FIXED OR IMMOVABLE PORTION : a) Fully compartmentalised sheet steel totally enclosed floor mounted with automatic safety shutter, Horizontal drawout & Horizontal Isolation alongwith insulated PVC sleeve, 800 A copper busbar, foundation bolts etc. with provision for Rear entry cable termination arrangement / box for 3Cx185 sq mm PILC / XLPE , HT power cable. b) Epoxy resin cast Duel Core C T ratio 50 - 25 / 5 - 5 with protection class - 5P10 and Metering class - 1, Burden 15/15 VA & adequate STC for 1 sec.– 3 nos. c) 3 phase, 11KV/√3 / 110V/√3, 100 VA , 3 limb star / star connected draw-out type resin cast P.T. with 100VA per phase output at Class – 1 accuracy for metering purpose provided with necessary HT / LT fuses, shutters, etc. - 1 set. | |||||
| 1.01 | BREAKER PANEL INDICATION LAMPS :-
a) LED type Red / Green / Amber etc. indicator lamps for Bkr. ON / OFF /Auto Trip / Trip Ckt. Healthy / Spring Charge / TCH / ETC for indication.- 1 set
b) P. T. indication R / Y/ B - LED Lamp- 1 set
c) Cubicle panel illuminating Lamp - 1 set
SWITCH AND ACCESSORIES :-
a) Panel space Heater, Thermostat with ON / OFF switch-- 1 set
b) T-N-C Switch , Motor ON /OFF Switch & etc.
RELAY :-
a) IDMT Relay, Type: CDG31, as Triple pole non directional shunt trip OCEF relay having 2 over current element of setting 50 – 200% and 1 earth fault element of 20 – 80% with high setting instance. Make : Areva / Alstom / Equivalent - 1 Set
b) Master tripping relay,Type: - VAJH-13 Make : Areva / Alstom / Equivalent -- 1 set
MEASURING INSTRUMENT:-
a) Digital type Ammeter with Selector switch, Make:Schneider / Selec / Secure / equivalent -- 1 set
b) Digital type Voltmeter with Selector switch ,Make:Schneider / Selec / Secure / equivalent -- 1 set
c) 3 phase,Digital Multi-Function Meter, Make: Schneider / Selec / Secure / equivalent -- 1set
Other items :- power pack , input : 110 VAC & Output : 110VDC, 3PH- 4W, Burden : 300/500 VA , Storage : 4 Close + 4 Trip Cycles 30 sec. | - | - | - | - |
| 1.02 | 2 Nos. outgoing Panel
MOVING PORTION :-
a) 11KV, 800Amps., 25 KA draw out type Vacuum Circuit Breaker with Motorised independent Spring charge Mechanism suitable for 240 volt AC, Closing & Tripping Coils Rated 110 volt DC.
b) Vaccum Interrupter, Make : ABB / EQUIVALENT
c) Mechanical ON / OFF indicator -- 1 set
d) Auxiliary Switch ( 4NO + 4 NC ) -- 1 set
e) Automatic safety shutters. – 1 set
f) Mechanical interlocks. -- 1 set
FIXED OR IMMOVABLE PORTION :-
a) Fully compartmentalised sheet steel totally enclosed floor mounted with automatic safety shutter, Horizontal drawout & Horizontal Isolation alongwith insulated PVC sleeve, 800 A copper busbar, foundation bolts etc. with provision for Rear entry cable termination arrangement / box for 3Cx185 sq mm PILC / XLPE , HT power cable.
b) Epoxy resin cast Duel Core C T ratio 50 / 25 / 5 - 5 Amp with protection class - 5P10 and Metering class - 1 , Burden 15 / 15 VA & adequate STC for 1 sec. – 6 nos.
BREAKER PANEL INDICATION LAMPS :-
a) LED type Red / Green / Amber etc. indicator lamps for Bkr. ON / OFF /Auto Trip / Trip Ckt. Healthy / Spring Charge / TCH / ETC for indication.- 1 set
b) Cubicle panel illuminating Lamp - 1 set | - | - | - | - |
| 1.03 | SWITCH AND ACCESSORIES :-
a) Panel space Heater, Thermostat with ON / OFF switch -- 1 set
b) T-N-C Switch , Motor ON /OFF Switch & etc.
RELAY :-
a) IDMT Relay, Type: CDG31/153/7SR10, as Triple pole non directional shunt trip OCEF relay having 2 over current element of setting 50 – 200% and 1 earth fault element of 20 – 80% with high setting instance. Make : Areva / Alstom / Equivalent -- 1 Set
b) Auxiliary Relay , Transformer Protection Relay, Type: VAA-33, Make : Areva / Alstom / Equivalent -- 2 set
c) Master tripping relay,Type: - VAJH-13 Make : Areva / Alstom / Equivalent -- 1 set
d) 6/8 Window Annunciator(EAPL) - 1 Set
MEASURING INSTRUMENT:
a) Digital type Ammeter with Selector switch, Make:Schneider / Selec / Secure / equivalent -- 1 set
b)Digital type Voltmeter with Selector switch, Make:Schneider / Selec / Secure / equivalent -- 1 set
c) 3 phase,Digital Multi-Function Meter, Make: Schneider / Selec / Secure / equivalent -- 1set | - | - | - | - |
| 1.04 | Mandatory Type Test :-(As per IS 3427 & IEC 62271 - 200 clause - 6)
The following test have to be conducted from any Govt. NABL accridated laboratory.
1. Lightning Impulse voltage withstand Test at 75 kv peak
2. Dry Power Fequency Voltage withstand Test (sub clause - 6.2)
3. Short Time withstand current and Peak withstand current Test at 25KA for 3 sec. with initial peak 66KA for main ckt. & 25KA for 1 sec. with initial peak 66KA for each ckt. (sub clause- 6.6 of IEC 62271-200, & 62271-100, 2008)
4. Temparature Rise Test at 800 Amp., 50 Hz.(sub clause - 6.4 & 6.5)
5. Mechanical Operation Test at ambient air temperature ( class M2 & IEC 62271-100, 2008) : 10,000 Operation
6. Degree of Protection IP5X, ( IS 13118 & IS 3427 , IEC 62271 - 100 & 62271 - 200 ) 7. Internal arc test --- .01 sec [Photo copies of certificates to be uploaded in online for above]
Routine Test : - As per IS 13118 , IEC 62271 - 100(2008) & 62271 - 200(2003)
1. Power Fequency withstand Test on Main Circuit Auxiliary Circuit and Control Circuit
2. Power Fequency Voltage Test for 1 Min. between Terminal with Breaker ON/OFF
3.Mesurement of the Resistance of main Circuit
4. Mesurement of opening and closing times
5. Mechanical Test
6. Paint Shade : RAL- 7032 | - | - | - | - |
| 1.05 | Terms & Condition:-
1. Guarantee period 18 months from the date of delivery and 12 months from the date of installation & commissioning.
2 Price variation clause will not be entertained.
3. Materials should be delivered at work site / concerned Section office in consultation with the Executive Engineer.
4. All sorts of Test Certificate must be submitted from the manufacturer at the time of delivery of materials to the concerned officers.
5. Validity offer to be mentioned specially & clearly.
6. Quantity may be increased or decreased as per actual requirement.
7. All mandatory NABL accridated test certificateswill have to be submitted with Bid Documents during e-tendering.
8. The manufacturer must submit closing and tripping time curve after testing on abreaker analyzer. For major components like C.T, P.T, Meter and relays the routine test certificate of the respective manufacturers need to sbmitted.
9. Bidder will arange the technical personnel of manufacturersto be present at site during commisioning .No extra cost can be claimed for this purpose. | 1 | Item | - | - |
| 2SUB-HEAD 2:- TRANSFORMERS Supply & lnstallation of 500 KVA 11000V / 433V Oil Filled Transformer OCTC SUPPLY : Suppy of 3 phase Oil immersed oil natural air natural (ONAN) type indoor transformer - 500 KVA, 11000V / 433V, Dyn 11, Power 500KVA ( as per IS 1180 AMENDMENT No. 4, 2021 ) off circuit tap 6 Step / 7 position i.e. @2.5% , +5% to -10%, Transformer shall be double wound, core type with low loss, non ageing, high permiability PRIME GRADE, CRGO with M4 Grade or Better, perfectly. Insulated and clamped to minimizenoise and vibrations. Transformer shall be of BOLTLESS core design & core shall be purchased directly from Manufacturer from their accredidted organization. Winding shall be made with 99.9% pure electrolytic grade copper insulated with high grade paper insulation. Manufacturer shall provide followings for LV coils so as to reducethe stray loss and overall surface area. The HV & LV winding should be able withstand thermal and mechanical stress in te event of short circuit. Transformer oil shall be as per IS-335 : 1993. It shall be "PCB free and polycyclic Aromatic Hydrocarbons free minarel oil " The material safety Data sheets (MSDS) for the transformer oil shall be submitted by the bidder along with the offer. The tank together with radiator, conservator, bushings and other fittings shall be designed to withstand without permanent distortion the following conditions. | |||||
| 2.01 | a) Full vacume of 760 mm of Hg. For filling with oil by vacum. b) Internal gas pressure of 0.35 Kg/cm2 (5 lbs / sq. in) with oil at
operating level. Transformer shall be fitted with cable boxes / cable box with disconnecting chambers. The cable boxes shall be suitable for termination 3 runs of 300 sq.mm XLPE cable. All contacts for alarm, trip and indication circuits shall each be electrically free, wired for auxiliary D.C. supply as specified and brought out to seperate terminals at the terminal blocks in the marshalling box. Terminals shall be rated for rated for 10A wiring shall be with stranded, copper conductors of sizes not smaller than 1.5 sq.mm for control and 2.5 mm for C.T. circuits. C.T. terminals shall be provided with shorting facility. ( MAKE : CROMPTON GREAVES / ABB/ SCHNEIDER / VOLTAMP)
KVA Rating - 500 KVA, No. of phase and rated frequency - 3-Phase, 50Hz, Rated Voltage (KV) - HV - 11 , LV - 0.433
Connection - HV - Delta , LV - Star , Vector Group - Dyn 11
Winding - HV - Copper , LV- Copper
Insulation level (Impulse withstand) (KV peak)- HV-75,LV Insulation level (power frequency withstand) (kv rms) HV - 28, LV- 3,Tapping: Range - +5% to -10% @2.5% No. of steps - 6
On HV - Yes, Tapping changer type - OCTC, Temparature rise of oil / winding over design ambient temparature of 50 Digree C - 50/55 (Digree C) Hot spot temparature rise over a maximum yearly weighted temparature of 32 Digree C, Voltmeter with selector switch (Digital) -1, Emergency meter EM 6400 (Class-0.5) -1
Annunciation windows - 12, RELAY : Numerical O/C +E/F protection relay (in MODBUS) -1 (Type MiCOM P111L) Lock out relay (Master Trip relay) VAJH13 (86) - 1
Auxiliary relay for Transformer Fault Indication (Type - VAA33) | 1 | Set | - | - |
| 3Supply ,Installation,Testing,Commissioing of LT Panel with Allied work. Supply & delivery of cubical type L.T. Distribution panel board of required size to comprise the below mentioned components , base mounted compartmentalized with maple arrangement having rigid & self supporting structure fabricated from 3 mm thick CRCA sheet steel with M/S angle frame. The panel board consisting of the following switches. [Manufacturer/Fabricator having Test Certificates from CPRI]. An Auto Cad Drawing of the panel has to approved by EIC before making of panel. | |||||
| 3.01 | A) Incoming Arrangement.
Supply and fixing in a separate chamber Microprocessor realeased based 50HZ, 415V 1600 Amp, Breaking capacity 50KA, EDO Drawout type ACB with IPR2 4 -pole -----including all accessories as directionof the EIC( Make L&T, Cat No.- SL96075 or equivalent cat of Legrand/Seimens or equivalent make as per approved by EIC)- 1 No. | - | - | - | - |
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