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Tender For providing of repair, maintenance, and installation of plant/ systems/equipments (version 2) - 132 kv substation babrala; substation, electrical system or installation, 250 kva substation transformer; service provider
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 tapchanger: on-loadtapchangerfor 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 distribution transformer of rating 250 kva, 11kv/415v-240v, 3-phase, 50hz, outdoor type, plinth mounted, the type of tapchanger: off-loadtapchanger 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 corrigendum : providing services overhauling and testing of on-loadtapchanger (oltc) make ctr and high voltage circuit breaker on-site at hbl plant sugauli
Tender For day to day and annual repair & maintenance of kvs (hq) building, new delhi.subwork/packages:annual repair and maintenance of ht/lt substation including overhauling of transformer
Tender For e tendering of construction of steel stairs from transformer yard to 33 kv yard and execution of various repair works in 132 33 kv substation gaura under electrical system division hpsebl solan - e-tendering of construction of steel stairs from transformer yard to 33 kv yard and execution of various repair works in 132/33 kv substation gaura under electrical system division, hpsebl, solan.
Tender For invitation of quotation to repair defective 4 no. oil pumps of 100 mva 220/66kv ptf t-3 and transformer cooling fans at 220kv substation g-1 under p and m division -1, mandi gobindgarh.
Tender For corrigendum : special repair/replacement of 03 x distribution transformer against ber of zone b with compact substation under ge (east) jabalpur
Tender For tender for supply of electrical substation including transformer vcb acb lt ht panel and lt ht cable - servicing of lt acb , servicing of css rmu , servicing of css lt acb , servicing of 11 kv vcb , providing and testing of 11 kv vcb , servicing of apfc panel , vcb ir testing , cable ir testing , hi pot testing of 11 kva vcb , hi pot of rmu and vcb to rmu cable , hi pot of transformer , transformer testing ttr maglite carnet and magnetite carnet , rmu and transformer ir testing , providing the cable joint kit 3.5 core cable , providing the cable joint kit 3.5 core cable straight , repair and sitc of pt for 11kva vcb , repair and sitc of under voltage monitor relay for lt acb