Tender For corrigendum : providing of custom bid for services - rate contract of deputation of service engineer for transformer inspection work (as per requirement) of transformer of different rating (irrespective of voltage rating) under damodar valley corporation (dvc) for two years
Tender For providing of operation and maintenance of substation - maintenance of 765 and 400 kv scada non scada operated as applicable ais switchyard along with associated equipment,operation and maintenance of substation - frequency domain spectroscopic fds test of ultra high voltage of power transformer windings and their bushings
Tender For current transformer similar to part no: lf1010-s/sp16 closed loop hall effect current transducer designed for high precision industrial grade measurement of dc, ac & pulse current. specification: 1) output signal: current output (proportional to primary current). 2) primary current :600a 3) supply voltage: 15v dc to 24v dc. 4) accuracy : 0.4% 5) frequency range:50 to 400 hz. 6) phase: single. 7) nominal current:1000a 8) operating temperature: -40 to +85 9) measuring range: approx. 2700a. 10) sensor type: closed-loop (compensated) hall effect. 11) mounting :panel mounting [ warranty period: 12 months after the date of delivery ]
Tender For corrigendum : supply of primary voltagetransformer to clw spec no. clw/es/3/0009 alt. c, and str no. clw/2021/eldo/e/str/0023 rev. 1 with amendments dated march-2022. note:- all hardwares including spring washer should be purchased from clw approved sources. [ warranty period: 30 months after the date of delivery ]
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 ]
Tender For supply of high voltage bushing with fittings for 3 phase loco main transformer as per clws spec no clw/es/3/0456 (alt k) and item no 11 of clw drg no clw/es/3/sk-1/0456 (alt g) [ warranty period: 30 months after the date of delivery ]
Tender For work of erection of 200kva pole mounted distribution transformer centre alongwith associated overhead 11kv s/c line and conversion of 1ph 4w, for improvement of low voltage near peace valley, sirvoi-quepem,under the jurisdiction of elect.sub div-ii,