Substation Transformer Tenders

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State Government

CTN :42353666

06 Nov, 2025 4.28 Crore

Rupnagar - Punjab

Tender For supply of as per boq d d - main lt panel indoor type with fp ai high safety mode technology , apfc capacitor panel 1250 kvar indoor type with aluminium tp , vacuum circuit breaker panel 11 kva 800 amp and vcb panel , transformer 3500 kva input voltage 11 kv output voltage 415 v , earthing arrangement copper plate earthing with 50 kg of chemical earthing transformer - 3500 kva technical specification- 1- capacity : 3500 kva, 2- input voltage : 11 kv, 3- output voltage : 415 v, 4- number of phase : 3 phase 5- applicable standard : standard, 6- number of winding : 02 nos, 7- installation type : outdoor, 8- cooling type : onan, 9- terminal arrangement : bare, bushing for hv side & 10- cable box for lv side., 11- vector group : dyn 11, 12- ambient temperature : 50 c, 13- temperature rise of oil : 40 c, 14- temperature rise of winding : 45 c, 15- impedance : 6.25% (subject to +/-10% tolerance), 16- transformer oil : "a grade" tested & certified as per is:335 standard., 17- no load losses : as per is standard, 18- full load losses : as per is standard, 19- copper : pure electrolytic grade, 20- tapping mode 01 nos - rotary type off circuit tap changer (octc) with locking arrangement & tap indication., 21- basic insulation leve for hv : 75 kv peak / 28 kv rms, 22- basic insulation level for lv : - / 3 kv rms, 23- tapping range +5% to -5% in steps of 2.5% by off circuit tap changer (octc)., (a) earthing arrangement (1) copper plate earthing 600x600x6 mm with 50 kg of chemical compound depth around 10 meter with testing pit. (2) gi plate earthing 600x600x6 mm with 50 kg of chemical compound depth around 4 meter with testing pit. (3) copper strips 50*6 (4) gi strips 50*6 make premium, (b) cables and accessories (1) 3 c x 240 sqmm al armoured ht cable (2) joint kit (3) 3.5 c x 400 sqmm al ) /bid number : gem/2025/b/6768705 * /dated: 17-10-2025 & & / bid document 1 / 19

Central Government/Public Sector

CTN :42429769

14 Nov, 2025 30.00 Lacs

Agartala - Tripura

Tender For repair and maintenance of 33/11 kv substation transformer and other connected items at military station agartala

State Government

CTN :42376372

05 Nov, 2025 61.37 Lacs

Multi City - Karnataka

Tender For brief scope of works includes-a) design, manufacture and supply of 2 nos. of 3ph, 750kva, 11kv/433v, onan, dyn11, outdoor type, copper wound generator auxiliary transformer with off load tap changer. b) supply of 400sq.mm, 3.5 core, 1.1kv grade, pvc armored, copper lt power cable along with cable termination accessories required for connecting lv side of auxiliary transformer to ltac panel. c)supply of essential spares as per the bid requirement d) laying and termination of supplied 400sq.mm, 3.5core copper cable from auxiliary transformer to ltac panel along with necessary termination accessories. e) dismantling of old 2 nos. of 750kva, 11kv/400v auxiliary transformers along with old oip cables connected from auxiliary transformers to ltac panel. f) erection, testing and commissioning of newly supplied 3ph, 750kva, 11kv/433v auxiliary transformers.

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