Tender For supplying installation testing and commissioning of 11000 433 volts outdoor type copper wound 400 kva off load tap changer power transformer at telaiya substation
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 corrigendum : supply of 66/27 kv traction power transformer 21.6 mva capacity (onan) / 30.24 mva (onaf) with off load tap changer, 50 hz single phase as per rdso specification no. ti/spc /psi /trnpwr/3201 or latest. the scope of work includes : design, manufacturing, assembling,testing before dispatch and delivery for destination, unloading and commissioning . [ warranty period: 30 months after the date of delivery ]
Tender For corrigendum : open tender enquiry for supply and installation of oltc (on-load tap changer) make ctr for 25 mva transformer and spares along with coil repairing works at hbl plant lauriya - supply & installation of oltc (on-load tap changer) make ctr for 25 mva transformer & spares along with coil repairing works at hbl plant lauriya, west champaran, bihar- 845453.
Tender For supplying installation testing and commissioning of 11000 433 volts outdoor type copper wound 400 kva off load tap changer power transformer at telaiya sub station under d w and s mech division hazaribagh. - supplying, installation, testing and commissioning of 11000/433 volts, outdoor type copper wound 400 kva off load tap changer power transformer at telaiya sub- station under d.w. & s. mech. division hazaribagh.
Tender For on load tap changer as per annexure a - on load tap changer type (miii-700-110/c-10193w) with motor drive unit, oil surge relay, bevel gear & drive shafts as per specification of oltc enclosed., tie-in-resistor (tir), prv