Tender For corrigendum : supply of new power transformer 20/26.5 mva and neutral grounding resistance , two year mandatory spares , removal of old transformer & and erection, testing & commissioning of new transformer
Tender For a.supply of pre-wired static excitation panels consisting of digital voltage regulator(with dual auto & manual channels with all standard limiter functions), field flashing, field breaker, field discharge equipment and 100 percent redundant thyristor convertor having 100 percent redundant controller & 100 percent redundant power supply units with required no. of digital input, digital output, analog input, analog output, hmi & pushbuttons along with standard protections to provide total excitation system functionality retaining existing excitation transformer. b.supply and laying of 3500 meters of 1.5 sq.mm. flexible copper 12 core, 1.1kv grade, xlpe insulated, round wire armored cable, multi strand, st8 type, having isi marked frls inner and outer sheath for total 08 units c.supply of mandatory spares and d. dismantling, erection/ retrofit, testing and commissioning of static excitation system as a whole to provide complete functionality of static excitation system.
Tender For corrigendum : supply of excitation system spares d d - thyristor module , feraz fuse , circular cooper reactor , isolator assembly 3p ac , isolator assembly 2p dc , dyn11 transformer , dc ammeter , shunt 1500a , thristor , ring type ct , exctn thyristor centrifugal cooling fan , gate circuit assembly with pulse trafo , voltage dropping resistor , field flashing contactor , field discharge resistor , stainless steelcast grid resistor , crow bar type over voltage protector , diode assembly , three phase rectifier bridge , hrc fuse assembly 250a , field flashing transformer , auxiliary relay re300 a , auxiliary relay re300 , dc voltmeter , hrc fuse assembly 16a , shunts , hrc fuse link , mdl69203ia1aa unc4660av1 v , cpu module , interrupt generator , analoug io card , digital io card , mdl 69203py2ba power supply card , mdl 69203du1aa un0663bv1 , davr mdl , pulse monit , pulse final stage , ac dc power pack unitrol , test point module , numerical 3 phase over current relay , numerical rotor earth fault relay , dc supply module , aux relay , relay aux ) /bid number : gem/2025/b/6585054 * /dated: 21-08-2025 & & / bid document 1 / 31
Tender For supply of procurement of ranged and scaled spares for sustance of upgraded magnetic range d d - tri-axial fluxgate magnetometer , humidity sensor , pressure sensor 0 10 bar gauge , adc board , power board , bite coil board , ac dc converter 230 125 , ac dc converter 230 24 , dc dc converter 125 48 24 , fo cable, 30m flexible , fo cable connector , switch , media converter , stepped power supply switch , range network switch , i o module , power interconnection board , o ring set uwjb 5 umiss , feed-thru cable , blinds , umiss uw cable , gisma 40.0.4xx0.0fvmo , gisma 40.00.4.08.1.10 equivalent
Tender For corrigendum : supply of spares, servicing, overhauling, resetting of hydraulic power brake engine on motor coupling of 475kw electrical motor of winding engine of amritnagar colliery