Tender For servicing of ht and lt switch gears along with oil filteration of 4 x 1000 kva, oltc, outdoor type transformers in substations 1and 2 and point of supply at csir-cecri, karaikudi
Tender For corrigendum : providing of custom bid for services - procurement of nynas make spare insulating oil (nytro 10 xn) for convertor transformers at hvdc agra station
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.
Tender For corrigendum : supply of supply of spares for 70 mva areva make generator transformers : - oil circulating pump motor set , online moisture monitoring sensor , transformer m kiosk annun panel 12 point , transformer m kiosk annun panel 8 point , ct ratio 350by1acc class5p20 , ct ratio 350by1acc class 1by2 , ct ratio 350by1 acc class x , current transformer wtict2 , current transformer wtict1 , oti with 2-sets of contacts , 250mm dia magnetic oil level guage , temperature transducer pt-100 sensor , temperature transducer pt-100 for oti , flexible separator main tank conservator , silica gel breather main tank conservator , silica gel orange spherical type , globe valve- 15 bore , globe valve- 25 bore , gate valve- 50 bore , gate valve- 100 bore , gate valve- 25 bore , butterfly valve- 50 bore , butterfly valve80 bore , butterfly valve- 100 bore , non return valve- 100 bore , isolating valve , cooler drainpipe valve , under and over voltage , o-ring for valve 100 bore pipe , o-ring for valve 80 bore pipe , o-ring for valve 50 bore pipe , o-ring for valve 25 bore pipe , o-ring for valve 15 bore pipe , rubber cord 19 mm thickness , rubber cord 10 mm thickness , rubber cord 8 mm thickness
Tender For preventive and corrective maintenance of sub-station equipments of 2 nos. of 500 kva tr-1 - 6kv/420v and tr-2 - 6kv/415v oil type transformers and 3 nos. of 11 kv htoc breakers inside city civil court building sub-station, kolkata.
Tender For auction sale of distribution transformers - 02 nos.,m.s. scrap (gi earth wire with hardwares).,metal parts with porcelain (disc insulators),pt-66kv class (itc make),110v 250ah & 100ah station battery celle,unservicable oil drum
Tender For transformer oil filtrations, painting, n minor repair of all transformers and replacement of old/rusted street light junction box of pole installed in office building cmpdi, ri-vi, singrauli (mp)