Latest ht transformer Tenders | Government ht transformer Tenders

State Government

CTN :39565718

10 Mar, 2025 1.51 Lacs

Udhampur - Jammu And Kashmir

Tender For providing and fitting of essential items and allied material for snow clearance operation at nathatop sanasar road - supply, testing and commissioning of 48v smps float cum boost automotive battery charger with moveable trolley stand for snow operation at nathatop - sanasar roadgeneral technical requirements for battery charger suitable for 48v vrla type battery1.) type -float & float cum boost charger for vrla type, full wave, full controlled type. 2. ) ratings- 15 a float cum boost for 48v, 150 ah vrla type battery 3. ) ac input- i) voltage 415 vac 10%ii) frequency 50hz 5% iii) phase 3 - phase 4.) d.c.output voltage settings -nominal float fc 48/54.5v (adj. by + 20%, - 5% bc 48/66.5v (adj. by + 2%, - 5%) 5.) output current limit 15a 15a 6. ) power conversion ac to dc by means of three phase full wave, half controlled bridge rectifier consisting of thyristors and diodes. 7.) voltage regulation at bridge output. + 1% of set value for + 10% input voltage variations, 0-100% load variation. 8. ripple voltage less than 3% rms without battery connected. 9. efficiency more than 80% at full load 10. protections (a) input side ac input mccb & elbs with input on/off switch and fuses, contactor (b) output side dc output mccb with output on/off switch and fuses. (c) protection current limit protection, soft start feature, surge suppressor. fast semiconductor fuses for rectifier bridge. (d) control circuit fuses (e) capacitor circuit rectifier hrc fuses. (f) over-voltage cut-back (g) charger over load / short circuit (h) blocking diode 11. controls and switches followings controls and switches are provided in the system 1 ac input source mccbs with interlocking 2 dc output mccb 3 auto/manual float/boost mode selector switch. 4 float and boost voltage variable potentiometers. 5 manual voltage adjustment potentiometer 6 test push button 7 reset push button 8 battery current adjustment potentiometers 9 heater s power supply switch 12. features the following features are provided in the systems: 10 soft start on dc side 11 class-f insulation for all magnetic 12 automatic voltage regulation. 13 automatic changeover from float to boost and vice versa based on current, drawn by battery. 14 filter circuit to eliminate ripple. 15 charger current limit 16 separate battery path current limit. 17 built-in auto phase reversal of operation. 13. meters f.c. b.c. (i)input voltmeter (i) common (ii) input ammeter (ii) input ammeter (iii) output voltmeter (iii) output voltmeter (iv) output ammeter (iv) output ammeter. battery volt meter battery ammeter earth leakage ammeter 14. indications phase on lamps (ii) output on lamp a)phase on lamps (ii) output on lamp. (iii) charger on float led (iv)charger on boost led. 15. annunciation with audiovisual alarms. (i) ac input mains failure (ii) input phase failure (iii) ac under voltage iv) input phase failure v) rectifier fuse failure vi) output fuse failure vii) filter fuse failure viii) dc under voltage ix) dc over voltage x) charger trip xi) capacitor fuse fail xii) output mccb tripped xiii) charger over load xiv) earth leakage xv) dc earth fault xvi) alarm supply fuse failure xvii)battery low condition. v) rectifier fuse failure vi) output fuse failure vii) filter fuse failure viii) dc under voltage ix) dc over voltage x) charger trip xi) capacitor fuse fail xii) output mccb tripped. note : all the alarms shall be provided through electronic display cards. audio alarm through buzzer, visual indication through 10 mm leds & alarm ackn. / reset and led provision is through push buttons. 16. operating ambient temperature surrounding the panel 00 to 500 c 17. surrounding the panel relative humidity. 0-95% non-condensing 18. panel (i) protective grade (ii) cooling (iii)paint ip 42 natural air-cooled smoke grey of iss-692 shade a) average winding temperature rise over ambient temperature b) insulation class c) insulation breakdown voltage. as per relevant iss. f 3 kv for 1 min withstand. 19. cables 1100 v

Central Government/Public Sector

CTN :39418986

13 Mar, 2025 13.07 Lacs

Korba - Chhattisgarh

Tender For corrigendum : supply of spares for jyoti make 33kv circuit breaker - rectifier unit, part no. - j9574194 , spring chargingmotor, part no. - 3vc40001007 , thermal overloadrelay, part no. - 4vc680319 , lower pole assemblycomplete with all in, part no. - j71715099 , upper poleassembly complete with all in, part no. - j71715199 ,vacuum interrupter, part no. - 3vc200014 , contactmultiplication relay for 110dc, part no. - j9574187 ,ac-dc control fuse - breaker side, part no. - j9574185, breaker control switch 1 pole trip - neu, part no. -j9574183 , anti pumping relay, part no. - j479653 , h. t.connector set p.t. side, part no. - j94736722 , h. t.connector set breaker side - incom, part no. - j94736731 , closing coil assembly, part no. - 4vc49110, h. t. connector set c.t. side, part no. - j94736721 ,timer aux supply 220 v dc, part no. - j9574215 ,tripping coil assembly, part no. - 4vc590189 ,insulating stud assembly, part no. - 3vc690073 ,winding temperature relay, part no. - j479751 , master triprelay, part no. - j479744 , idmt relay for 3 o-c and 1e-fbroken cndctr, part no. - j573694 , oil temperaturerelay, part no. - j479477 , control cable connectioncomplete set , part no. - j94735371 , breaker controlswitch, part no. - j579721 , panel space heater, part no. -j479654 , thermostat setting 30-80 c, part no. - j479656

Central Government And Public Sector

CTN :39279070

11 Mar, 2025 5.00 Lacs

Kullu - Himachal Pradesh

Tender For corrigendum : supply of spares for eot cranes installed at power house parbati - master controller 5 step 7 cams with deadmans handle and spring return rating 40a , rectifier panel for dcem brake for 2x160mm make speed o controls type rt 2x160 ip 415ac op 110vdc , eht brake assembly make speed o controls type mdt 200 18 thrustor 18kg dia 200mm 415v 50hz , eht brake assembly make speed o controls type mdt 400 46 thrustor 46kg dia 400mm 415v 50hz , electro hydraulic thruster st-520 , electro hydraulic thruster st-545 , coil for 400mm dia dcem brake

State Government

CTN :39618130

25 Mar, 2025 11.80 Lacs

Birsinghpur - Madhya Pradesh

Tender For work contract for testing of ht transformers installed at 1x500mw unit from external expert agency, at sgtps, mppgcl birsinghpur.

CTN :39073355

12 Mar, 2025 NA

Mumbai - Maharashtra

Tender For corrigendum : supply of main switchboard msb-1 with control section distributionsection and complete power management system pms facility as per tsp section ii para 1.1 2.1 , main switchboard msb-2 with control section distribution section and complete power management system pms facility as per tsp section ii para 1.1 2.1 3.1 , switchboard for emergency diesel alternator 135kw consisting of control section and feeder section as per tsp section ii para 1.1 2.1 3.1 , power distribution boards pdbs 415vac mccb type 3 ph in 3 ph out 12 output with auto changeover facility as per tsp section ii para 2.3 3.3 , power distribution boards pdbs 415vac mccb type 3 ph in 3 ph out 4 output as per tsp section ii para 2.3 3.3 , power distribution boards pdbs 415vac mccb type 3 ph in 3 ph out 10 output as per tsp section ii para 2.3 3.3 , power distribution boards pdbs 415vac mccb type 3 ph in 3 ph out 8 output as per tsp section ii para 2.3 3.3 , power distribution boards pdbs 230vac mcb type 3 ph in 3 ph out 8 output with manual changeover switch as per tsp section ii para 2.3 3.3 , power distribution boards pdbs 230vac mcb type 3 ph in 1 ph out 12 output as per tsp section ii para 2.3 3.3 , power distribution boards pdbs 24vdc mcb type 8 output as per tsp section ii para 2.3 3.3 , power distribution boards pdbs 24vdc mcb type 8 output with interlock circuit as per tsp section ii para 2.3 3.3 , lighting distribution boards ldbs 230vac mcb type 1 ph in 1 ph out 8 output as per tsp section ii para 2.3 3.3 , shore supply connection box sscb as per tsp para 2.4 3.4 , external supply panel of 800a as per tsp para 2.5 3.5 , rectifier cum battery chargers with batteries 60a 1.5kw24vdc as per tsp para 2.6 3.6 , rectifier cum battery chargers with batteries 130a 3kw24vdc as per tsp para 2.6 3.6 , on board spares separate list for msb, esb pdbs esp scb , documentation separate list for msb esb pdbs esp scb , installation material as per tsp separate list for msb esb pdbs esp scb , services of engineers installation and stw , services of engineers for hats , services of engineers for sats , training , monthlywarranty extension charges for 12 months beyond december 2026 , represervation of charges 06 months for msbesb apms rectifier cum battery charger if required , extra man-days for 1st year , extra man- days for 2nd year

CTN :39136617

12 Mar, 2025 NA

Mumbai - Maharashtra

Tender For corrigendum : supply of main switch board, distribution boards, shore supply connection box, external supply panel, rectifier cum battery charger for 06 ngopv ships of coast guard project

Central Government/Public Sector

CTN :39545366

12 Mar, 2025 1.40 Lacs

Dhanbad - Jharkhand

Tender For repairing/rewinding of 6.6 kv / 440 v, 45kva ht transformer (as float use for 402 and 602) drill abocp mine.

Central Government/Public Sector

CTN :39303731

11 Mar, 2025 30.00 Lacs

Jammu - Jammu And Kashmir

Tender For corrigendum : repair replacement of ht transformer , vcbs , oh lines, ht ug cable ,gods, ht panel and allied work at af stn jammu and kaluchuk under ge(af) jammu.

Central Government/Public Sector

CTN :39469303

11 Mar, 2025 49.00 Lacs

Nashik - Maharashtra

Tender For corrigendum : repairs / maint of external electric services, ht , transformer, oh line, lt cable, feeder, dg set, crane, earthing pits and provn of fresh water supply to borgad top through water browser and other miscellaneous work at chamerlene and borgad top at af stn

corporations/Associations/Others

CTN :39460112

03 Mar, 2025 9.26 Lacs

Multi City - Karnataka

Tender For repairs to ht transformer, meter box in amarapur-cross camp.

Ht Transformer Tenders

By Cities

By States

By Agencies

By Ownerships

By Sectors