Tender For supply of gear box housing complete to m/s adtranz's pt.no. s1453, drg.no. ag-106335 r1or aal pt. no. g-1453 spare for tap changer type no. 32. [ warranty period: 30 months after the date of delivery ] ]
Tender For supply of arching horn for tap changer repl (bt type) pt no s-2531 drg no. 304070p1 or anantashree (ganz type) pt no g-2531 drg no 9919000033001. [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]
Tender For supply of bevel gear of tap changer n32 to m/s. repl's pt. no. - s2209 or to m/s. anantashree's pt. no. - g2209 as per rdso's drg. no. - skel - 4622, sheet - 1 & 2 for electric locos. [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]
Tender For research based pilot project [dynamic feeder voltage manager (dfvm)] for turnkey based work of design, development, supply, installation, testing & commissioning of 3-ph, 50 hz, 4000 kva, 12/12kv outdoor onan auto/power transformers equipped with on-load tap changer (oltc) with necessary infrastructure and protections, master controller and around 100 modems, control circuits with comprehensive maintenance contract for 05 (five years) after handing over the project
Tender For distribution transformer of rating 250 kva, 11kv/415v-240v, 3-phase, 50hz, outdoor type, plinth mounted, the type of tap changer: off-load tap changer for variation of hv voltage from +5% to -10% 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, conforming to is 1180 (part 1):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 withcondition 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 f) of is 1180 (part 1). terminal arrangement: the transformers shall be fitted on high voltage and low voltage sides with outdoor type bushings of appropriate voltage and current ratings. the high voltage bushings (3 nos.) shall conform to is/iec 60137. the low voltage bushings (4 nos.) shall conform to is 7421. suitable cable-end box along with cable entry hole glands is to be provided 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. detailed specification attached as annexure a. [ warranty period: 30 months after the date of delivery ]]
Tender For supply & testing of 500 kva, 11kv/750v, 3-phase, 50 hz. outdoor type power transformer conforming to 15 2026 (part 1): 2011 (reaffirmed 2021), plinth mounted, copper wound, mineral oil immersed with freely breathing system (also called conservator system) as per clause 8.2 (a) of is 2026 (part 1), primary winding in delta and secondary winding in star (vector symbol-dyn11), onan cooled transformer, minimum short circuit impedance of 5% as per is 2026 (part 5), with all fittings specified in annexure a to this description, terminal arrangement: the transformers shall be fitted on high voltage and low voltage sides with outdoor type bushings of appropriate voltage and current ratings. the high voltage bushings (3 nos.) shall confirm to is/iec 60137. the low voltage bushings (4) nos.) shall conform to 15.7421. suitable cable-end box is to be provided as follows: a) for outdoor type: l.t. side tap changer: on-load tap changerfor variation of hv voltage from -+5% to -5% in steps of 1.25% make- andrew yule/aeg/crompton greaves/kirloskar electric co./abb/siemens/schneider or similar. [ warranty period: 30 months after the date of delivery ] ]
Tender For supply of spare trolley mounted transformers of 250 kva and 400 kva capacity at hridwar - 250kva transformer, 250 kva 11kv/433v 3 phase copperwound oil immersed outdoor type level 2 distribution transformer with +5% to -5% insteps of 2.5% by off circuit tap changer, supply, fixing and testing of ht cable, jointing kit outdoor type, cost of installation and testing of transformer, cost of trolley needed for mounting 250 kva transformer as above with proper fencing for safety, 400 kva transformer 400 kva 11kv/433v 3 phase copperwoung oil immersed outdoor type level 2 distribution transformer with +5% to -5% insteps of 2.5% by off circuit tap changer, supply, fixing and testing of ht cable, jointing kit outdoor type, cost of installation and testing of transformer, const of fencing of transformer cost of trolley needed for mounting 400 kva transformer as above with proper fencing for safety
Tender For supply of self aligning ball bearing repl (bt type) pt. no. a6208 drg. no. std 430045p1203, suitable for repl (bt type) tap changer [ warranty period: 30 months after the date of delivery ] ]
Tender For supply of repair kit for tap changer and switch group switches consisting of two items 1.valve stem to bosco drg no.1061/99 (part no. bosco -2p) or to bhel drg. no:35880530031 p1 and 2. valve to bosco drg no. 1063/99 (part no. bosco-1p) or to bhel drg. no. 35880530033 p1. [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]
Tender For supply of set of top and bottom arching contacts (tungsten tipped) for tap changer gr contractors (t1-t9) of emus. as per kpa drg.no. er/kpa/el/ gr.-4he.3084c or m/s .bhel's drg.no.35801130102v00, cs no.bcs1263, fig. ref.b030 page no.59 and bhel's drg.no. 35801130102v01, cs no. ccs1263, fig. ref. c001, page no.6l of m/s .bhel's price list 2013-14. [ warranty period: 30 months after the date of delivery ] ]