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Transformer Maintenance Tenders

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State Government

CTN :43498758 Due date: 14 Jan, 202614 Jan, 2026 NA
Tender For deposit-maintenance and servicing of indoor transformer and metering panel at womens college, vazhuthacaud-tvm transformer maintenance-ht-electrical-work

Central Government And Public Sector

CTN :43246897 Due date: 17 Jan, 202617 Jan, 2026 NA
Tender For corrigendum : supply of n-32 tap changer complete for electric locos type wag-7 as per rdso specn. no.elrs/spec/gr/0039 (rev 1)

CTN :43505884 Due date: 14 Jan, 202614 Jan, 2026 NA
Tender For bhel make, three-phase, 315 mva generator transformer-1-internal inspection, overhauling, dga generation source identification and rectification at site including on load tap changer (oltc).

CTN :43500624 Due date: 22 Jan, 202622 Jan, 2026 NA
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.

CTN :43500973 Due date: 12 Mar, 202612 Mar, 2026 NA
Tender For supply of control cylinder complete for tap changer n32 to m/s. repl's pt. no. - a-4430a or similar to rdso's drg. no. - skel-4660 (alt. - 1).

CTN :43476883 Due date: 03 Feb, 202603 Feb, 2026 NA
Tender For comprehensive rehabilitation/ renewal of tap changer n-32 of conventional electric locomotives of loco shed izatnagar.

CTN :43478301 Due date: 25 Feb, 202625 Feb, 2026 NA
Tender For supply of arcing chamber complete for tap changer n32 to m/s. repl's pt. no. - s-27 or rdso's drg. no. skel-4675 (alt. - 1).

CTN :43478303 Due date: 26 Feb, 202626 Feb, 2026 NA
Tender For supply of flow indicator oil pump for tap changer n32 to m/s. repl's pt. no. - s33 or m/s. anantashree's pt. no. - g33.

CTN :43478312 Due date: 09 Mar, 202609 Mar, 2026 NA
Tender For supply of plunger of tap changer n32 to m/s. repl's pt. no. - a5317-6.

CTN :43467378 Due date: 19 Jan, 202619 Jan, 2026 NA
Tender For supply of oil pump (phgr) complete for n 32 tap changer etc.
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