Tender For for the work of centrifuging of oil and overhauling work of 10 mva power transformers no. 01 and 02 of 33 kv ss nariya and 33 kv ss dafi under bhelupur, varanasi .
Tender For for the work of centrifuging of oil and overhauling work of 10 mva power transformers no. 01 and 02 of 33 kv ss nariya and 33 kv ss dafi under chetmani, varanasi .
Tender For corrigendum : providing of custom bid for services - testing, calibration and audit facilitation of electrical utilities at siliguri marketing terminal, nrl quote for sor line item 10 filtration of transformer oil-1600 kva,custom bid for services - quote for sor line item 20 dga test of transformer- 1600 kva,custom bid for services - quote for sor line item 30 filtration of transformer oil-1000 kva,custom bid for services - quote for sor line item 40 dga test of transformer- 1000 kva,custom bid for services - quote for sor line item 50 wti test and calibration of transformers,custom bid for services - quote for sor line item 60 oti test and calibration of transformers,custom bid for services - quote for sor line item 70 very low frequency test,custom bid for services - quote for sor line item 80 testing of insulation mat,custom bid for services - quote for sor line item 90 testing of hand gloves,custom bid for services - quote for sor line item 100 testing of rescue rod,custom bid for services - quote for sor line item 110 testing of r
Tender For tender for supply of disconnecting ht and lt supply taking down the defective transformer indoor outdoor type from four pole two pole structure or lifting from the outdoor type foundation or taking out from sub station bldg using a crane of suitable capacity and slings ropes etc as required and shifting the same to civil workshop for repairs complete all as directed for transformer capacity 400 kva , shifting back the repaired transformer indoor outdoor type from civil workshop to site reinstalling at original position and fixing properly on four pole two pole structure or outdoor type foundation or inside a sub station bldg using a crane of suitable capacity and slings ropes etc as required making ht lt side connections and testing for satisfactorily working complete all as directed for transformer of capacity 400 kva , draining out transformer oil from the transformer and storing the same in suitable containers to be arranged by contractor without any extra cost opening the top cover and lifting up the core assembly carefully to check the condition of transformer windings and core retanking the same after repairing checking of leakage from transformer body and repairing welding works required for making transformer body leak proof refilling the transformer oil dully dehydrated and filtered dehydration and filteration to be paid separately and making all connections with ht lt side bushings refixing the top cover and testing the transformer with a suitable capacity insulation tester complete all as directed for transformer of cap 400 kva , m and l for rewinding of burnt out defective ht copper coils with new super enamelled heavy duty copper winding wires of size matching to the existing one including varnishing drying in a suitable oven and all insulating material such as cotton sleeves tapes etc and connections with bushing terminals complete all as specified and directed , all as per item no 4 above but lt copper coils complete all as specified and directed , m and l for painting the transformer tank from inside with two coats of zinc chromite after preparing the tank walls bottom top cover inner side by properly cleaning the surfaces oil free complete all as directed for transformer capacity 400 kva , m and l for replacement of defective ht porcelain bushing of suitable size for transformer of cap 400 kva including washers of good quality complete all as specified and directed , m and l for replacement of defective lt porcelain bushing of suitable size for transformer of cap 400 kva including washers of good quality complete all as specified and directed , dehydration and filteration of transformer oil for indoor outdoor type transformers of any capacity at site using transformer oil filteration plant to improve di electric strength not less than 45 kv at 2 point 5 mm electrode gap complete all as directed note unit rate quoted shall be deemed to include the charges for hiring of oil filteration plant shifting to different locations at cantt area testing of samples of oil as per requirement and nothing extra will be paid on this account , s and f new transformer oil for replacement or topping up the level of oil having dielectric strength not less than 45 complete all as specified and directed
Tender For providing of custom bid for services - carrying out transformer oil dehydration of 3 nos single phase generator transformers of unit 5 & 2 nos spares single phase generator transformers at dehar power house slapper
Tender For corrigendum : we-260: the work of attending on-line/offline oil leakages from various location of 400kv gis connected generator transformer, station transformers & icts by using reputed brand leak repair systems / leak repair putty at emd rbph of sshep, kevadia colony on as & when required basis.
Tender For corrigendum : providing of repair, maintenance, and installation of plant/ systems/equipments (version 2) - thermal power plant; work of high vacuum oil filtration of various rating transformers on as and when required basis at switchyard at gtps; as per atc-199
Tender For distribution transformer of rating 500 kva, 11kv/415v-240v, 3-phase, 50hz, outdoor type, plinth mounted, the type of tap changer for variation of hv voltage from +5% to -15% 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, confirming to is 1180 (part 1): 2014with 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 will be applicable for all capacity of transformers. oil temperature indicator & winding temperature indicators will be provided as per clause 20.2 of is 1180 (part 1). terminal agreement: the transformers shall be fitted on high voltage and low voltage sides with outdoor type bushings appropriate voltage and current ratings. the high voltage bushings (3 nos.) shall confirm to is/iec 60137. the low voltage bushings (4 nos.) shall confirm to is 7421. suitable cable-end box along with cable entry hole glands is to beprovided 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. [ warranty period: 30 months after the date of delivery ]