Tender For e-tender for replacement of radiators of pole ii convertor transformer at hvdc terminal station under hvdc indoor dn, chandrapur. estimates cost:- limited to rs. 30,00,000/- (inclusive of all taxes)
Tender For corrigendum : supply of oil filtration for 250kva transformer , transformer oil bdv testing and report , supply of transformer power oil -billing as per the actual usage , supply of 3cx35sqmm ht cable kits outdoor , ht cable kit for end termination , a. las 9kv 5ka polymer type with lighting insulator suitable for 11kv system phase to earth application b. discharge current rating 5ka. c. mounting vertical. d. voltage 9 kv. , earth pits meggering and test report , painting of 11kv dp structure -sp and dp structure painting with aluminum paint including paints , painting of transformer -transformer spray painting with siemens grey paint including paints , threading type silica gel breather - 250 grams -diameter 0.5 inch bsp , 11kv single pole structure hg fuses set , 11kv ab switch male and female connector , 11kv dp structure hg fuses arms set , transformer pad clamps , ht yard maintenance work - double pole structure, 11 kv ab switch, hg fuses, jumpers, la erection and maintenance, department single pole structure maintenance and hg fuses replacement.
Tender For supply of isolator assembly k3 on off , shunt trip assembly complete , no volt coil assy under voltage coil as , shunt trip coil , current transformer for ammeter , ammeter 100 5 for acb , limit switch 2no plus 2nc for breaker , overload assembly breaker 110a 200a , ammeter 200 5 for acb , busbar , push button actuator for el test , push button actuator for el reset , air circuit breaker with wiring and assy , power cable for 200a for breaker chamber , power cable for 200a for isolator chamber , ct for ol , dashpot oil per litre , brass terminal with insulator dmc , brass terminal with dmc insulator , brass terminal for cp , brass terminal for og , moving contact assembly for isolator , fixed contact assmbly for isolator300a , moving contact assembly for breaker 300a , fixed contact assembly for breaker 300a , ct with ammeter 0 400a ctr 300 5a type , ammeter 300 5 for acb , air circuit breaker with wiring assy , on off isolator 300a , earth leakage relay 50 750ma with time l , on delay timer , control relay 110v , aux contactor with coil , actuator no , miniature circuit breaker , restrained type plug and socket complete , on off rev isolator , indicating lamp with pcb mounting , ct for over load , single phasing preventor with module , copper terminal bushing cp og , terminal bushing assly with brass termin , rectifier , brass cone and gland assembly , glass fuse with holder , core balance transformer , potential transformer 80 va , brass stud with dmc bushing for og , auxiliary contactor220v ac , potential transformer , hrc power fuse , current transformer for o l 15va , thermal overload relay , under voltage relay 110v , isolator on off rev 100a , h t h r c p t fuse , fuse holder plus glass fuse , toggle switch , off delay timer , single pole two way toggle switch , annunciating led panel , 22 point 5 dia led indicator yellow , 30 point 5 mm dia push button red , 30 point 5 mm dia push button yellow
Tender For corrigendum : supply of lt miscellaneous items for lt switchgear lt system for the year 2024-25 unit 5 and 6 csctpp chhabra - air flow sensor sl0101, control supply -230v ac, with 1 no +1nc contact, make-ifm or equivalent, dynamic braking resistor 13 ohms/ 9600w, 10% ed, 10 sec. max, ambient 50 degree,make-iresco/equi or equivalent, fan: axial, dia: 250, 230vac, 50hz, 115w, air flow:1610 m3/h (specification attached at annexure-i), fan: axial, dia: 450, 415 vac, 50hz,480 w, air flow:4530 m3/h,speed-1360 rpm,(specification attached at annexure-ii), fan axial 08" ball bring 230v ac 1p-50hz (as per annexure-iii ), relay assly : 4 relay, 2 c/o, 5a/24v dc, with led indication, iron core reactor 3 phase, 0.359mh/45a, 3 ph iron core, 117 uh/240a, make: rishab/ transformer/epi/equi or equivalent, 3 ph iron core, 67 uh/240a, make:rishab/ transformer/epi/equi or equivalent, 3 phase line choke ,in-21 amp,inductance-4.2mh,class-f,freq-50hz,voltage-415v, 3 phase line choke ,in-21 amp,impedance-3%,class-f,freq-50hz,voltage-415v, ct: metering 250/5a, 15va, class 1, ct dim.: 180{w}, 100{d}, 70{h}, window size:20x35mm, front terminals, resin, cast, insulation class:e, type 2, colour:yellow, resin cast insulaed c.t 400/5a,class-1,va-10, resin cast insulaed c.t 400/1a,class-1,va-10, thermal overload relay range 95-120 a, 125hp three phase submersible pump star delta starter with 3-position selector switch (with auto switch), single phase preventer, current overload protection with short circuit protection., aluminium ring type terminal lugs conforming to is-8337/is-5082 ,iec-61238,for voltage rating 1.1 kv, 6 sq.mm, 10 sq.mm, 16 sq.mm, 25 sq.mm, 35 sq.mm, 50 sq.mm, 70 sq.mm, 95 sq.mm, 120 sq.mm, 150 sq.mm, 185 sq.mm, aluminium pin type terminal lugs conforming to is-8337/is-5082 ,iec-61238,for voltage rating 1.1 kv, 10 sq.mm, 16 sq.mm, 35 sq.mm, copper ring type terminal lugs conforming to is-8337/is-5082 ,iec-61238,for voltage rating 1.1 kv, 1.5 sq.mm, 2.5 sq.mm, 6 sq.mm, 10 sq.mm, 16 sq.mm, 25 sq.mm, power terminals mounting on din conforming iec 60947-7-1,voltage rating-1 kv,safe for fingers., current rating-140 a, 35 sq.mm,3 nm, current rating-192 a, 70 sq.mm,6 nm, current rating-232 a, 95 sq.mm,6 nm, copper pin type terminal lugs conforming to is-8337/is-5082 ,iec-61238,for voltage rating 1.1 kv, 1.5 sq.mm, 1.5 sq.mm(hollow type), 2.5 sq.mm, 2.5 sq.mm(hollow type), 6 sq.mm, 10 sq.mm, 16 sq.mm, 25 sq.mm, copper u type terminal lugs conforming to is-8337/is-5082 ,iec-61238,for voltage rating 1.1 kv, 1.5 sq.mm, 2.5 sq.mm, 6 sq.mm, terminals blocks (melamine housing) khaki color, 4 sq. mm, 32 amp., 600v, 10-20awg, screw type, din mounting, 6 sq. mm, 41 amp., 800v, 08-20awg, screw type, din mounting, 6-35 sq. mm, 125 amp., 750v, screw type, din mounting, 1.5-4sq. mm, 32 amp., 800v, 08-20awg, stud type, bolt connection, clip on din mounting, 35-50sq. mm, 125 amp., 1000v, clip on din mounting, wago make grey colour screwless , spring clamp, polyamide terminals for interpanel wiring , terminal:769-251, female plug:769-102 with add-on, modular timing relay,5a,2co,0.1s 100h,on-delay,230v ac, voltage-transducer, suitable for 24v dc power supply,i/p:0-500v ac,dual o/p(4-20ma), din rail mounted,, shunt resistor, 750a/60mv,0-60mv, shunt resistor, 175a/60mv,0-60mv, shunt resistor, 200a/60mv , 0-60mv, thermal overload relay,1.6a-2.5a, 3 pole, bi - metallic, 1 no + nc,, thermal overload relay,16a-25a, 3 pole, bi - metallic, 1 no + nc,, ac axial fan230 vac,50/60 hz 6"172x150x51 mm(model no rec-21725b2w) rexnord make or equivalent for 1:1 replacement, ac axial fan230 vac,50/60 hz 4"120x120x38 mm(model no rec-22038 a2t) rexnord make or equivalent for 1:1 replacement, transformer protection relay,i/p-4 nos of rtd sensors(pt-100),3 no of set points,0-300 temperature indication range,o/p-four relay contacts(01 c/o contacts),one analog 4-20 ma output contacts ,aux supply -90-270 v ac/dc,pecon make ,model no-tr-7570 or equivalent for 1:1 replacement, add-on auxilia
Tender For supply of contactor k-44 for 60 kva transformer, rated current: 95 amps, rated voltage: 690v ac, main pole: 4, aux contact 1 no + 1 nc, control voltage: 230v ac (168-300v ac means 230v +/- 30%) with surge suppressor as per rdso specification no. rdso/pe/spec/ac/0184-2015 (rev-1) and as per updated bom items issued by rdso lr.no el/7.1.108/mssbc, dated 19.09.2021 to abb model no: af 116 b-40, schneider model no.lc1d1150046m5 + la4da2u only accepted.