Ttps es circle em i cleaning tightness checking in 230kv breakers isolators las cvt wave traps etc for 230kv feeders at switchyard i for the year 2025 2026

Ttps es em i annual maintenance and testing of wbct breaker las cvt isolators cc wave traps main bus i ii and iii pt cts transfer bus station transformer i ii and spare generator transformer under hung bus earth bus and its frame under hung bus insul

Ttps es em i charges for annual maintenance and testing of wbct breaker las cvt isolators cc wave traps main bus i ii and iii pt cts transfer bus station transformer i ii spare generator transformer under hung bus earth bus and its frame under h

Replacement of 7 no. 33kv old isolators along with jumpers, pers, bridges with fittings for all 3 outgoing feeders and 33kv main at switchyard.

Supply and erection of las, ccpu, relays, cts, isolators and cable termination structure for new provision of 1 no. 230kv, sf6 breaker for 230/110kv auto transformer i at 230/110kv trichy substation

Ttps es em iii annual and quarterly maintenance in the 230 kv sf6 breaker isolators las cvt cc wave trappers wbcts wall through bushing main bus iv v pts and cts and transfer bus etc in 230 kv indoor switch yard ii of unit iv v for the year 20

Ttps es circle em iii unit iv discharging and charging of 24v dc system batteries, 220v dc system batteries, 360v ups system batteries and 220v dc switchyard ii batteries, cleaning and tightness checking of charger panels, cleaning of inter cell conn

Nctps i es circle em i dn s dn i replacement of 6 nos defective 245 kv sf6 breaker pole assembly 3 nos existing 245kv capacitor voltage transformer (cvt) 3 nos existing 245kv current transformer (ct) 3 nos isolators 24nos existing las in 230 k