Supply and erection of 230 kv outdoor termination kit and structure for new provision of 1 no. 230kv, sf6 breaker (hv-iii) for 230/110kv auto transformer i at 230/110kv trichy substation

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 existing 110kv sf6 breaker with new breaker in line #4 feeder (110kv vgtps/phase-i - 230kv valuthur ss feeder) at 110kv switchyard

Procurement of 70 nos. of 110kv sf6 breaker

Procurement of 200nos. of 110kv outdoor sf6 breaker

Assisting for rectification of 5nos 230kv sf6 breaker limbs available at 230kv indoor switchyard i

Supply of 3 sets of 220kv sf6 circuit breaker and 72 sets of 110kv sf6 circuit breaker

Dismantling of 1 no. of 230kv breaker, 1 no. of 110kv breaker with allied structures and panels from tharamani 230kv ss which has been allotted to vinnamangalam 230kv ss towards provision of 1no. additional100mva at vinnamangalam 230 kv ss.

Procurement of 90kn polymer insulators (230kv-500 nos. and 110kv-300 nos.) for lines subdivisions in trichy operation circle

Labour charges for dismantling and pulling and placing of existing 80mva,230/110kv auto transformer at kavanoor 230kv ss