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. oiltemperatureindicator & winding temperatureindicators 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 different materials used for testing at electricity test division, unnao under electricity distribution circle, unnao. - o/c & earth fault relay (ashida adr 241 b), clamp meter (0-20a), combination pilier (taparia), rachet set (taparia), grinder bosch (240 volt, ac operated), drill machine (240 volt, ac operated), spanner set (taparia), pcv tape (red, yellow & blue) colour, pin type & u type copper lug 2.5 mm2 (100 each), dc indication led (24 volt to 36 volt) suitable for 11kv & 33kv control pannel, flexible copper wire havells (red, yellow & blue, black color) 2.5mm2, tripping coil with assembely make tripping coil assembly stable 33 kv vcb (stelmec, toshiba, cg, schneider), oti(oiltemperatureindicator) with limit switch alarm & trip contact, temp range (0 c to 150 c), wti (winding temperatureindicator) with limit switch alarm & trip contact, temp range (0 c to 150 c) with gradient adjustment through a shunt for ct secondary input (1amp to 5amp), closing coil with assembely make tripping coil assembly stable 33 kv vcb (stelmec, toshiba, cg, schneider)
Tender For supply of winding temperatureindicator (wti) - range 0 - 150 deg, with 4 micro switches , oiltemperatureindicator (oti) - range 0- 150 deg, with 4 micro switches , ccu with psu for wti (model no-2220/r2) , drg. no. 6279 , ccu with psu for oti (model n0- 2220/r2) , drg. no. 6279