Latest rotating rectifier Tenders | Government rotating rectifier Tenders

CTN :45505510

15 Jul, 2026 81.75 Lacs

Mehsana - Gujarat

Tender For corrigendum : 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

Central Government/Public Sector

CTN :45698581

20 Jul, 2026 NA

Sonpur - Bihar

Tender For supply of 21.6/30.24 mva, 132/27 kv, traction power transformer, onan/onaf with on load tap changer, 50 hz, single phase as per rdso specification no. ti/spc/psi/trnpwr 3201 with a and c -1, str: ti-str-014 rev-06 [ warranty period: 30 months after the date of delivery ] ]

Central Government/Public Sector

CTN :45644778

20 Jul, 2026 NA

Sonpur - Bihar

Tender For corrigendum : supply of 21.6/30.24 mva, 132/27 kv, traction power transformer, onan/onaf with on load tap changer, 50 hz, single phase as per rdso specification no. ti/spc/psi/trnpwr 3201 with a and c -1, str: ti-str-014 rev-06 [ warranty period: 30 months after the date of delivery ] ]

CTN :45048307

31 Jul, 2026 NA

Tarapur - Maharashtra

Tender For corrigendum : : supply, installation, testing & commissioning of electrical equipment for dg block 119a of inrp - ht panels (119a)supply, installation, testing & commissioning of indoor type floor mounted, single front, metal clad, 1250 a, 6.6 kv, 3 phase, 3 wire, vcb switchgear panel suitable for a short circuit current of 31.5 ka for 3 seconds, internally arc tested for 31.5 ka for 1 second, comprising of following incoming & outgoing feeders : incoming feeder: 1 no. 1250 a, 3p vcb outgoing feeders: i) 7 nos. 630 a, 3p vcbii) 1 no. 1250 a, 3p vcb as tie feederwith surge arrestors, relays, pts, cts & other necessary accessories including associated structural steel required for complete installation of the panel & equipment earthing of the panel from both the earthing terminals of the panel to the nearest earthing grid conductor existing at site using copper conductors of size as per tender technical specifications & drawings. reference drg. nos: ip1/119a/05027339/dwg/001/r0 & ip1/119a/05027339/dwg/002/r0(note: terminal box of each incomer of 6.6kv switchboard shall be suitable for terminating 4x3cx400 sq.mm., 6.35/11kv (e), a2xwy cables.), supply of spares for ht panels as per attached spares list mentiond in section c, part ii of tender, 2.5 mva, 6.6/0.433 kv dry type transformers (119a)supply, installation, testing & commissioning of 6.6/0.433 kv, 2.5 mva, dyn11 dry type cast resin transformer having percentage impedance of 8.5% complete with ht cable end box, lt bus duct flange, off load tap changer on ht side with range of +/-5% in steps of 2.5%, wti scanner, ct for restricted earth fault protection and other necessary accessories including associated structural steel required for complete installation of the transformer & equipment & neutral earthing of the transformer from both the earthing terminals of the transformer to the nearest earthing grid conductor existing at site using copper conductors of size as per tender technical specifications & drawings.reference drg. no. : ip1/119a/05034347/dwg/001/r0, supply of spares for dry type transformers as per attached spares list mentiond in section c, part ii of tender, 2000 kva diesel generator sets (119a)supply, installation, testing & commissioning of 3 phase 2000 kva prime power 433v, 50hz, 0.8 p.f. diesel-generator sets with 110% overload capacity for 1 hr with four (4) stroke inline or vee type cylinder arrangement having engine speed 1500 rpm, 24v electric battery starting system with a provision of interchangeability of battery bank between two dg sets, complete with all auxiliary equipment including amf control panel, auxiliary mcc panels, heat exchanger cooling system, raw water pump, remote radiator with fans on terrace, ms exhaust piping, exhaust structure (maximum 30 m stack), 4 nos. of 3.6 cubic metre fuel day tank outside dg building (for all 4 dg sets) & 1 no. of 990 ltr intermittent tank inside each dg room, ms "c" class fuel piping between engine & fuel tank, dg room accoustic treatment & complete ventilation of dg room, brushless excitation for alternator, one no. 3200 amp 415 v 4p acb, ms structural steel supports/ channels/ angles & other necessary accessories including associated structural steel required for complete installation of the dg & equipment & neutral earthing of the dg from both the earthing terminals of the dg to the nearest earthing grid conductor existing at site using copper conductors of size as per tender technical specifications & necessary statutory clearances from cpcb etc. as required and as per tender technical specifications & drawings. design and construction of foundation for exhaust pipe rack/ structure of dg set is included in the scope of the contractor.reference drg. nos. : i) ip1/119a/05034347/dwg/001/r0ii) ip1/119a/05044831/dwg/003/r0iii) ip1/119a/05044831/dwg/004/r0iv) ip1/119a/05044831/dwg/005/r0v) ip1/119a/05044831/dwg/006/r0, supply of sp

corporations/Associations/Others

CTN :45648184

13 Jul, 2026 NA

Sonbhadra - Uttar Pradesh

Tender For providing of operation and maintenance power house / power plant - carried out in connection with complete overhaulingof 15mva, 15.75/6.9kv uat-10a & 10b along with on load tap changer of 200mw unit no.10

CTN :45333134

30 Jun, 2026 NA

Ernakulam - Kerala

Tender For corrigendum : tender for supply of engine coolant elc 18 lit pail , coller nut , gasket for cylinder head cover , ball bearing 6007 , push buttons green , push buttons red , panel lamp bulb , control panel of 4point4 kw contactor , voltmeter , ammeter , frequency meter , hour run indicator , rotating rectifier assy , rotating rectifier assembly , aux contractor , automatic voltage regulator ievr2n , replacement lamp engine room light , engine yanmar 3tnv88 bgkm

Central Government/Public Sector

CTN :45265749

29 Jun, 2026 NA

Sonpur - Bihar

Tender For corrigendum : supply of 21.6/30.24 mva, 132/27 kv, traction power transformer, onan/onaf with on load tap changer, 50 hz, single phase as per rdso specification no. ti/spc/psi/trnpwr 3201 with a and c -1, str: ti-str-014 rev-06 [ warranty period: 30 months after the date of delivery ] ]

CTN :45214197

30 Jun, 2026 NA

Visakhapatnam - Andhra Pradesh

Tender For corrigendum : tender for supply of rectifier assembly rotating , exciter rotor for 350kw alternator , rotating rectifier assembly , rotating rectifier assembly , surge supressor (ssa 1-rra) , single parallel selector switch , diodes , exciter rotor , bearing nde side for motor -6310c3 , nde bearing no.6310/c3 , bearing de side for generator -6315c3 , bearing nde , bearing de side for motor-nu317c3 , nde bearing(nu 328 jc3) , push button , red , push button , hrc fuse link - ns 2a , display card-c , control card of avr bcd601 , bcd681r , automatic voltage regulator type ievr 2n , brush holder , wound rotor assy , rotating rectifier , gasket for stator frame , qdc current transformer , de bearing(de-6328) skf , nde bearing(nde. nu. 328) skf , avr-2n , over load relay - 1.6-2.5a , avr ievr 2n , hrc fuse links-415v ac , 6a ns 6 , hrc fuse links-415v ac , 2a ns 2 , v-trim potentiometer , avr cards bcd-601 power card , avr cards bcd-681r2 control card , potentiometer qdc , diode fuses , bearing nde side for motor-6317c3 , auto manual switch , avr ievr-2n with slm unit

Central Government And Public Sector

CTN :45601687

29 Jun, 2026 18.54 Lacs

Ajmer - Rajasthan

Tender For supply of kva , loading of existing up to 20 kva dea sets , loading of existing more than 20 kva and upto 55 kva dea sets , transportation of up to 20 kva dea sets , transportation of more than 20 kva and upto 55 kva dea sets , unloading up to 20 kva dea sets , unloading more than 20 kva and upto 55 kva dea , itc of up to 20 kva dea sets on existing foundation , itc of more than 20 kva and upto 55 kva dea , labour charges for top overhauling of existing dea sets up to 20 kva , replacement of the liner assembly with rubber ring dea sets up to 20 kva , replacement of the piston set without piston ring set dea sets up to 20 kva , replacement of the piston ring set dea sets up to 20 kva , replacement of the set of gasket including head gasket dea sets up to 20 kva , replacement of the o ring set dea sets up to 20 kva , replacement of the cr bearing dea sets up to 20 kva , replacement of the main bearing dea sets up to 20 kva , replacement of the oil pressure guage dea sets up to 20 kva , replacement of the front oil seal of crank shaft dea sets up to 20 kva , replacement of the back oil seal of crank shaft dea sets up to 20 kva , repairing of cylinder head , repairing of up to 20 kva dea sets crank shaft , transportation charges up to 50 km for alternator up to 55 kva , transportation charges more than 51 to 100 km for alternator up to 55 kva , rewinding of main stator winding of alternator up to 20 kva , rewinding of main rotor winding of alternator up to 20 kva , rewinding of main stator winding of alternator more than 20 kva and upto 55 kva , rewinding of main rotor winding of alternator more than 20 kva and upto 55 kva , exciter stator winding of alternator up to 55 kva , exciter rotor winding of alternator up to 55 kva , replacement or repairing of avr , replacement or repairing of power diode for rotating rectifier assembly , replacement or repairing of bearing suitable for above 20 kva alternator , providing of 2 core 16 sqmm , providing of 4 core 16 sqmm , laying of one no upto 35 sq. mm on wall surface , laying of one no upto 35 sq. mm direct in ground , laying of one no upto 35 sq. mmin the existing rcc or hume or metal pipe , supply and making end termination for 2 x 10 sq. mm 19 mm , supply and making end termination for 4 x 16 sq. mm 28 mm , providing and fixing 6 swg dia g.i. wire , sitc of 32 amps four pole on load side handle operated change over switch , sitc of 63 amps 2 pole on load side handle operated change over switch , sitc of 63 amps four pole on load side handle operated change over switch , providing and fixing 63 amp tpn disconnector fuse switch unit , repairing of fuel injection pump fip, nozzle and injectors , sitc of 12 volt 88ah lead acid maintenance free battery

Central Government And Public Sector

CTN :45575609

22 Jun, 2026 NA

Guwahati - Assam

Tender For supply of rotating rectifier assembly for 750v 500 kva 3 phase alternator suitable for kirloskar make da set. similar to kec make part no: u1540rr03f8203. hsn code: 85049090 [ warranty period: 30 months after the date of delivery ] ]

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