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

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

Replacement of 3 sets of 132kv isolators, 6no. 132kv cts and 6no. 132kv pts at 50mva, 132/33kv grid substation katra

Replacement of 3 nos 0.5s cts to 0.2s cts of 145 kv and erection/installation of 3nos 132 kv main-bus pts at 132/33 kv substation dumariyaganj

Replacement of 3 nos 0.5s cts to 0.2s cts of 145 kv and erection/installation of 3nos 132 kv main-bus pts at 132/33 kv substation dumariyaganj

Work of replacement of defective rubber beading in various type of ac cubical boxes, jucntion boxes of cts, pts, isolators, bmk and cbs,

Ttps es em i cleaning tightness checking in 230kv breakers isolators las cvt wave traps etc for 230kv feeders at switchyard i for the year 2024 2025

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

Erection of 08 no.s of structures for fixing and installation of cts, pts, sf6 breaker and sub station transformer with shifting of 01 no. sf6 breaker at 5 mva sub station under ashok ocp, piparwar area.