Latest load tap changer Tenders | Government load tap changer Tenders

Central Government/Public Sector

CTN :45486801

29 Jun, 2026 NA

Multi City - Multi State

Tender For nitrile rubber gasket of size - od 38 mm, id 29mm, thickness 3.5 mm for provision in 3 phase loco transformer 3/4 inch ball valve during oil filtration. test report of polymer identification as per irs r-48-88, property class 3.2.4.1 grade 'c' shall be submitted along with bulk supply. one sample to be approved before bulk supply [ warranty period: 30 months after the date of delivery ] ]

CTN :45505510

01 Jul, 2026 81.75 Lacs

Mehsana - Gujarat

Tender For research based pilot project [dynamic feeder voltage manager (dfvm)] for turnkey based work of design, development, supply, installation, testing & commissioning of 3-ph, 50 hz, 4000 kva, 12/12kv outdoor onan auto/power transformers equipped with on-load tap changer (oltc) with necessary infrastructure and protections, master controller and around 100 modems, control circuits with comprehensive maintenance contract for 05 (five years) after handing over the project

CTN :45470987

29 Jun, 2026 NA

Jamshedpur - Jharkhand

Tender For supply & testing of 500 kva, 11kv/750v, 3-phase, 50 hz. outdoor type power transformer conforming to 15 2026 (part 1): 2011 (reaffirmed 2021), plinth mounted, copper wound, mineral oil immersed with freely breathing system (also called conservator system) as per clause 8.2 (a) of is 2026 (part 1), primary winding in delta and secondary winding in star (vector symbol-dyn11), onan cooled transformer, minimum short circuit impedance of 5% as per is 2026 (part 5), with all fittings specified in annexure a to this description, terminal arrangement: the transformers shall be fitted on high voltage and low voltage sides with outdoor type bushings of appropriate voltage and current ratings. the high voltage bushings (3 nos.) shall confirm to is/iec 60137. the low voltage bushings (4) nos.) shall conform to 15.7421. suitable cable-end box is to be provided as follows: a) for outdoor type: l.t. side tap changer: on-load tap changerfor variation of hv voltage from -+5% to -5% in steps of 1.25% make- andrew yule/aeg/crompton greaves/kirloskar electric co./abb/siemens/schneider or similar. [ warranty period: 30 months after the date of delivery ] ]

CTN :45479514

25 Jun, 2026 NA

Kharagpur - West Bengal

Tender For distribution transformer of rating 250 kva, 11kv/415v-240v, 3-phase, 50hz, outdoor type, plinth mounted, the type of tap changer: off-load tap changer for variation of hv voltage from +5% to -10% in steps of 2.5%, energy efficiency level 3 or better, oil immersed, non-sealed type (transformer tank body and cover are bolted), copper wound, primary winding in delta and secondary winding in star (vector symbol- dyn11), onan cooled transformer, conforming to is 1180 (part 1):2014 with amendment nos. 1,2,3,4 or latest, and supplied with all standard fittings mentioned in clause 20.1 of is 1180 (part 1) latest withcondition that drain-cum-sampling valve will be applicable for all capacity of transformers. oil temperature indicator & winding temperature indicators will be provided as per clause 20.2 f) of is 1180 (part 1). terminal arrangement: the transformers shall be fitted on high voltage and low voltage sides with outdoor type bushings of appropriate voltage and current ratings. the high voltage bushings (3 nos.) shall conform to is/iec 60137. the low voltage bushings (4 nos.) shall conform to is 7421. suitable cable-end box along with cable entry hole glands is to be provided at l.t. side. following has to be submitted by supplier along with supply of material: (i) type test report of transformer having same rating, make (& model if any) and design from nabl accredited lab as per is: 1180 (part 1) latest. (ii) routine test certificates as per is: 1180 (part 1) latest. (iii) special test certificates as per clause 21.4 sl. no. (a), (c), (d) & (e) of is: 1180 (part 1) latest. detailed specification attached as annexure a. [ warranty period: 30 months after the date of delivery ]]

Central Government/Public Sector

CTN :45470890

16 Jun, 2026 NA

Chennai - Tamil Nadu

Tender For set of hotel load bushing gaskets (location a,b,c) for 7775 kva 3-phase transformer of wap-7 loco, abb part no. hstn 310507, bushing type din dt 3/1000 as per rdso tc 0076 rev-2 dt.01/10/2019attached. set consists of 03 items in 12 nos. as per annexure-a attached. note: (1) supply by sources as mentioned in rdso technical circular no. 0076, rev 2 dt 1.10.19 (2) firm should submit authorised dealership certificate along with tender otherwise offer will not be considered. [ warranty period: 30 months after the date of delivery ] ]

Central Government/Public Sector

CTN :45472858

16 Jun, 2026 NA

Bhusawal - Maharashtra

Tender For supply of a set of silicon rubber gasket "o" rings suitable for transformer oil cooling pipes (metalic pipes) flange type- a,b,c,d,f,g,k,l & m as per abb id no: 3ehn 424150 for wag-9 loco, as per sketch no: els/aq/wag-9/sk.no. 0033/rev-2" [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]

Central Government/Public Sector

CTN :45473370

06 Jul, 2026 NA

Itarsi - Madhya Pradesh

Tender For supply of high voltage transformer bushing 35 kv, 600a suitable for 25 kv 3 phase locomotive transformer for wag-9/wap-7 loco as per abb id no. hstn 420783 p 0001/elastimold part no. 750s1. material to be procured from clw approved sources only. [ warranty period: 30 months after the date of delivery ] ]

Central Government And Public Sector

CTN :45192273

15 Jun, 2026 NA

East Champaran - Bihar

Tender For corrigendum : providing services overhauling and testing of on-load tap changer (oltc) make ctr and high voltage circuit breaker on-site at hbl plant sugauli

CTN :45454472

12 Aug, 2026 NA

Izatnagar - Uttar Pradesh

Tender For supply of galvanised head hex bolt with nut size m-14x65.full threaded as per is 1364/2002.grade 8.8with 02 flat washers is -3063/1994 & 02 spring washers is 2016/1967 for bushing connection of loco transformer. it is used for bushing connection of 5400kva transformer. [ warranty period: 30 months after the date of delivery ] ]

CTN :45453590

16 Jun, 2026 NA

Howrah - West Bengal

Tender For lrt test bench for testing dc tm mounted on truck with wheels used in electric loco output 0 to 200 vdc, 200 amps input supply 400v 3-phase ac 50 hz 150 a, 50 hz complete with 3-phase 75 amps 415v oil cooled variac, control panel and 36 kva 400/190v sarola make step down transformer with protection and instrumentation( continuous) with following hand held meters: (i) hand held non-contact thermometer (ii) hand held tachometer. detail technical specification as per attached annexure-a [ warranty period: 30 months after the date of delivery ] ]

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