ircon / elect / 5037 5038 ncrtc traction transformer ot 48 design, manufacturing, supply of 66 / 27.5 kv ( 40 / 50 mva-onan / onaf ) and 220 / 27.5 kv ( 40 / 50 mva-onan / onaf ) traction transformer including terminal connectors with nifps and all accessories for ncrtc project , traction transformer , design, manufacture & supply of 66 / 27.5 kv, 40 / 50 mva ( onan / onaf ) traction transformer including terminal connectors with nitrogen injection fire prevention system ( nifps ) with all accessories mentioned in brief particular specifications ( annexure a to scc ) required for commissioning of traction transformer. , design, manufacture & supply of 220 / 27.5 kv, 40 / 50 mva ( onan / onaf ) traction transformer including terminal connectors with nitrogen injection fire prevention system ( nifps ) with all accessories mentioned in brief particular specifications ( annexure a to scc ) required for commissioning of traction transformer. , spares , winding temperature indicator , oil temperature indicator , sets of gaskets for transformer. , oltc motor drive for transformer. , 66kv bushing , 220kv bushing , 25 kv bushing , ht clamps set for 220kv / 27.5 kv transformer , transformer oil for transformer , magnetic oil level guage , buchholz relay for traction transformer. , oil surge relay , ccu for transformer. , silica gel breather , set of valves 01 0f each type , dial thermometer with prob and hose for wti , dial thermometer with prob and hose for oti , tests , short circuit test on 66 / 27.5 kv ( 40 / 50mva-onan / onaf ) transformer , short circuit test on 220 / 27.5 kv ( 40 / 50mva-onan / onaf ) transformer