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On Load Tap Changer Repair Tenders

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State Government

CTN :41960664 Due date: 24 Oct, 202524 Oct, 2025 12.35 Lacs
Location: Mirzapur - Uttar Pradesh Mirzapur - Uttar Pradesh
Tender For corrigendum : tan delta testing of transformer winding and bushings, dga /bdv/ppm testing of t/f oil, pd testing of 220 kv ct, cvts, timing test of 132 kv/220 kv sf6 cbs and analysis of 220/132 kv and 132/33 kv transformers, ct /cvts and cbs at various 220 and 132

State Government

CTN :42357651 Due date: 29 Oct, 202529 Oct, 2025 3.28 Lacs
Location: Kutch - Gujarat Kutch - Gujarat
Tender For work of oil filtration for power transformers and auxiliary transformers at kltps site on as and when required basis

State Government

CTN :42356513 Due date: 28 Oct, 202528 Oct, 2025 20.00 Lacs
Location: Solapur - Maharashtra Solapur - Maharashtra
Tender For work contract for transportation & loading / unloading of steel material, dist. transformers, oil, sub-station equipments, line material from various stores outside district to solapur store, filter unit rural division or anywhere in solapur rural division.

CTN :42329242 Due date: 06 Nov, 202506 Nov, 2025 25.80 Lacs
Location: Sirohi - Rajasthan Sirohi - Rajasthan
Tender For services for installation of 220 or 132 kv transformers of various capacities alongwith associated works of oil filtration, dismantling etc at various substations under tnc sirohi circle

State Government

CTN :42237786 Due date: 01 Nov, 202501 Nov, 2025 NA
Location: Aligarh - Uttar Pradesh Aligarh - Uttar Pradesh
Tender For corrigendum : work for protection of transformers and prevention of oil leakage at 220 132 kv substations under electricity transmission division, ii aligarh.

Central Government/Public Sector

CTN :42314931 Due date: 24 Oct, 202524 Oct, 2025 NA
Location: Thiruvananthapuram - Kerala Thiruvananthapuram - Kerala
Tender For filtering of transformer oil for 2 nos 750 kva,11kv/415v transformers at ddk, thiruvananthapuram

CTN :42322457 Due date: 13 Nov, 202513 Nov, 2025 NA
Location: Ranchi - Jharkhand Ranchi - Jharkhand
Tender For supply of outdoor type , plinth mounted, distribution transformer, minimum energy efficiency level 3 of rating 250 kva, 3-phase, 11kv/415-240v,50hz, 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 (part1):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 with condition that drain-cum-sampling valve. 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 bushing appropriate voltage and current ratings., low voltage side cable end box required . the high voltage bushings (3 nos.) shall conform to is/ iec 60137. the low voltage bushings (4 nos.) shall conform to is 7421. off-circuit tap changer (applicable for all ratings above 200 kva) for variation of hv voltage from +5% to -10% in steps of 2.5%. 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.

State Government

CTN :42076954 Due date: 17 Oct, 202517 Oct, 2025 10.84 Lacs
Location: Sultanpur - Uttar Pradesh Sultanpur - Uttar Pradesh
Tender For corrigendum : oil testing (dga, water content and bdv test) for various power transformers/reactors under electricity transmission circle, sultanpur

State Government

CTN :42285231 Due date: 29 Oct, 202529 Oct, 2025 9.09 Lacs
Location: Kanhangad - Kerala Kanhangad - Kerala
Tender For construction of 110kv substation kuttikkol-erection and hot oil circulation of two 12.5mva 110/11kv transformers

CTN :42228633 Due date: 18 Oct, 202518 Oct, 2025 14.80 Lacs
Location: Jhalawar - Rajasthan Jhalawar - Rajasthan
Tender For supply of spares for voltamp make transformers at katpp, jhalawar. - spare for 2500 kva, 11/0.433kv dry type transformer s. no. 18675/5, lv bushing (1.1kv/ 4000 amp., epoxy resin cast bushing with gasket is 2099 drg. no. epb-b4-0027, rev.-01) , neutral earthing bushing (1.1kv/ 3150 amp., epoxy resin cast bushing is 2099 drg. no. 4c rt-std-074/0) , surge arrester (rated voltage 12 kv, discharge 5 ka, mocv- 10.2 kv, model-12sgsa, is- 3070 iec- 60099-4), lt support insulator (1.1 kv)(neutral earthing plate support insulator (1.1 kv epoxy insulator)), rtd(pt-100, 1.1 kv insulation-2 mtr. wire ), transformer protection relay (tr-7576-c, auxiliary 230 volt ac), lv bushing support insulator (1.1 kv epoxy support insulator for lv bushing (as per transformer s. no. ), spare for esp transformer 1600 kva 11/0.433kv oil filled transformer s. no. 16388/7hv porcelain bushing(hv bushing with oil seal without metal parts 17.5 kv/2000 amp as per is 3347), lv porcelain bushing (lv bushing with oil seal without metal parts 1kv/3150 amp as per is 3347 with palm connector), 11 kv support insulators (rating 11 kv epoxy insulator as per transformer sr. no. )
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