Annual maintenance of 33kv 6.6kv vcb relay rtcc

Maintenance of overhead lines of feeders no.- 6 (3.3kv), 7 (6.6kv), 22 (6.6kv), 24n(3.3kv) n lt feeders originating from 2x 12.5mva, 33kv/6.6kv main substation to mines n workshop of rajrappa project

Maintenance of overhead lines of feeders no.6(3.3kv), 7(6.6kv), 8(6.6kv), 22(6.6kv), 24n(3.3kv) n lt feeders originating from 2x 12.5mva, 33kv/6.6kv main substation to mines n workshop of rajrappa project for monsoon period

Repairing and reconditioning of protective device of (a) 2 mva power transformer, volts-11kv/3.3kv, 04-no. colony feeder (b) 1 mva 11kv/3.3kv cpp feeder (c) 3mva, 33kv/11kv staff feeder and (d) 3mva 33kv/11kv ktc feeder installed at regional sub-stat

Overhauling, repairing and maintenance of 33kv and 6.6 kv gr gang operating air break switch (goab/isolator) installed at 33kv/6.6kv, 4x10 mva tapovan and 2x10 mva , coal substation of amlohri project

Supply, fixing, installation, commissioning and testing of electrical interlocking arrangement between 33kv, 11kv, 6.6kv and 3.3kv control panel to goab switch and 33kv goab switch with earth switch of main sub-station and shantinagar field sub-stat

Providing and fixing of relays for protection of wti, oti, bucholz n mog of all 3mva, 6.6kv/3.3kv transformers, providing and fixing of relays for alarming system of ht control panels installed at 2x12.5 mva main substation of rajrappa project

Implementation of electrical interlocking between 33kv or 6.6kv or 3.3kv isolators with respective circuit breakers and all indoor 6.6kv or 3.3kv vcb mocb panel door interlocks at 33kv main substation, south quarry of ilbl ocp, lakhanpur area, mcl