Latest load tap changer Tenders | Government load tap changer Tenders

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 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 :45048307

30 Jun, 2026 NA

Tarapur - Maharashtra

Tender For corrigendum : : supply, installation, testing & commissioning of electrical equipment for dg block 119a of inrp - ht panels (119a)supply, installation, testing & commissioning of indoor type floor mounted, single front, metal clad, 1250 a, 6.6 kv, 3 phase, 3 wire, vcb switchgear panel suitable for a short circuit current of 31.5 ka for 3 seconds, internally arc tested for 31.5 ka for 1 second, comprising of following incoming & outgoing feeders : incoming feeder: 1 no. 1250 a, 3p vcb outgoing feeders: i) 7 nos. 630 a, 3p vcbii) 1 no. 1250 a, 3p vcb as tie feederwith surge arrestors, relays, pts, cts & other necessary accessories including associated structural steel required for complete installation of the panel & equipment earthing of the panel from both the earthing terminals of the panel to the nearest earthing grid conductor existing at site using copper conductors of size as per tender technical specifications & drawings. reference drg. nos: ip1/119a/05027339/dwg/001/r0 & ip1/119a/05027339/dwg/002/r0(note: terminal box of each incomer of 6.6kv switchboard shall be suitable for terminating 4x3cx400 sq.mm., 6.35/11kv (e), a2xwy cables.), supply of spares for ht panels as per attached spares list mentiond in section c, part ii of tender, 2.5 mva, 6.6/0.433 kv dry type transformers (119a)supply, installation, testing & commissioning of 6.6/0.433 kv, 2.5 mva, dyn11 dry type cast resin transformer having percentage impedance of 8.5% complete with ht cable end box, lt bus duct flange, off load tap changer on ht side with range of +/-5% in steps of 2.5%, wti scanner, ct for restricted earth fault protection and other necessary accessories including associated structural steel required for complete installation of the transformer & equipment & neutral earthing of the transformer from both the earthing terminals of the transformer to the nearest earthing grid conductor existing at site using copper conductors of size as per tender technical specifications & drawings.reference drg. no. : ip1/119a/05034347/dwg/001/r0, supply of spares for dry type transformers as per attached spares list mentiond in section c, part ii of tender, 2000 kva diesel generator sets (119a)supply, installation, testing & commissioning of 3 phase 2000 kva prime power 433v, 50hz, 0.8 p.f. diesel-generator sets with 110% overload capacity for 1 hr with four (4) stroke inline or vee type cylinder arrangement having engine speed 1500 rpm, 24v electric battery starting system with a provision of interchangeability of battery bank between two dg sets, complete with all auxiliary equipment including amf control panel, auxiliary mcc panels, heat exchanger cooling system, raw water pump, remote radiator with fans on terrace, ms exhaust piping, exhaust structure (maximum 30 m stack), 4 nos. of 3.6 cubic metre fuel day tank outside dg building (for all 4 dg sets) & 1 no. of 990 ltr intermittent tank inside each dg room, ms "c" class fuel piping between engine & fuel tank, dg room accoustic treatment & complete ventilation of dg room, brushless excitation for alternator, one no. 3200 amp 415 v 4p acb, ms structural steel supports/ channels/ angles & other necessary accessories including associated structural steel required for complete installation of the dg & equipment & neutral earthing of the dg from both the earthing terminals of the dg to the nearest earthing grid conductor existing at site using copper conductors of size as per tender technical specifications & necessary statutory clearances from cpcb etc. as required and as per tender technical specifications & drawings. design and construction of foundation for exhaust pipe rack/ structure of dg set is included in the scope of the contractor.reference drg. nos. : i) ip1/119a/05034347/dwg/001/r0ii) ip1/119a/05044831/dwg/003/r0iii) ip1/119a/05044831/dwg/004/r0iv) ip1/119a/05044831/dwg/005/r0v) ip1/119a/05044831/dwg/006/r0, supply of sp

CTN :45211575

29 May, 2026 NA

Mumbai - Maharashtra

Tender For corrigendum : supply of supply of 1600 kva onan transformer with on load tap changer+ rtcc panel , services of engineer

CTN :45148647

02 Jun, 2026 NA

Thiruvananthapuram - Kerala

Tender For corrigendum : providing of repair, maintenance, and installation of plant/ systems/equipments (version 2) - servicing of ctr make on-load tap changer including replacement of defective o-ring; power house equipment; service provider

State Government

CTN :45315676

11 Jun, 2026 13.77 Crore

Bengaluru - Karnataka

Tender For establishing 2x12.5 mva, 66/11kv sub-station at kalathmadu along with construction of proposed 66kv lilo line from the existing 66kv virajapete- ponnampete sc line on dc towers to proposed 66/11kv sub station at kalathmadu for a distance of 1.925km in virajpete taluk, kodagu district on partial turnkey basis including supply of all matching materials/equipments (excluding supply of 2x12.5mva 66/11kv power transformers and 11 kv switchgear) and erection (including civil works) of all materials/equipments, testing and commissioning - on load tap changer , control and relay panels, , circuit breakers, , 11kv mcvcbs & pcvcbs, , tower parts and all types of station structures with bolts, nuts and washers, , i beams & m.s channels, , lightning arrestors, , isolators, , insulators, , instrument transformers, , battery sets, , battery charger, , acsr conductors, , ground wire, , 11kv ug cable, , 1.1kv copper control cables & lt power cables, , capacitor bank, , hardware for insulator, conductor and ground wire:, , tension & suspension clamps and connectors., , accessories for conductor and ground wire:, , p.g clamps. m.s.c joints, pre-formed rods, repair sleeves, vibration damper etc., , c-type fire wedge connectors, , i) grounding materials (g.i flat, m.s flat etc.,), , il)grounding materials (c.i pipes), , ltac & dcdb panel, , 11kv termination & jointing kits, , class, , nitrogen injection fire protection, , system, , rigid tubular aluminium bus bars, aluminium clamps and connectors., , wave traps/line traps, , plcc equipment

Central Government/Public Sector

CTN :45265749

22 Jun, 2026 NA

Sonpur - Bihar

Tender For supply of 21.6/30.24 mva, 132/27 kv, traction power transformer, onan/onaf with on load tap changer, 50 hz, single phase as per rdso specification no. ti/spc/psi/trnpwr 3201 with a and c -1, str: ti-str-014 rev-06 [ warranty period: 30 months after the date of delivery ] ]