Details: complete annual maintenance works of 11 kv vcb's of different make installed at various 33/11 kv sub-station under edd ranikhet. annual maintenance work of 11 kv vcb of all make with following work:- description of works overhauling and annual maintenance of aligment mechanism for smooth operation including replacement of all rusted n&b removing old lubrication cleaning of all moving parts & fresh h.q. lubrication as and when needed. carring out comprehensive test and tripping check of wiring of different incoming and outgoing feeder at installed at various 33/11 kv s/s such as wiring of ct to feeders panel and up to reley and then to auxiliary switch to trip coil in the trollye side by both simulating load at primary of ct and by simulating trip current by relay and thereby lacating the specific multifactioning of the panel repairing of complete tripping system assembly repairing of spring manual charging of handle repairing/replacement of female contact repairing of gearset of charg
Sector: Power Sector