Raidurg 400KV Substation was commissioned by TSTRANSCO to meet the highest load growth of the area and to improve the connectivity of existing Substations viz. Madhapur, Jubilee Hills, Miyapur, Gachibowli, Shivarampally, Erragadda & Shapurnagar and also to improve the reliability of power in twin cities and these Substations are connected with 220KV and 132KV cables.
The cable network and route maps were given to all line departments and also it was informed to take necessary precautions while digging of roads and any execution of work shall be informed to TSTRANSCO.
The road widening work near IKEA store was taken up by GHMC without informing to TSTRANSCO. On regular patrolling of line by TSTRANSCO engineers, it was observed that road widening work is going on and the contractor damaged the 220KV Raidurg –Erragadda cable on 02.02.2023 with JCB.
The damaged 220KV cable is very important line which is giving supply to 220KV Erragadda Substation and Gachibowli Substation from 400KV Raidurg Substation. Due to the breakdown, the contingency sources are being utilized. Telangana State Assembly session is in progress and there is no further alternate supply provision which covers the heart of the city area.
This is very big damage caused by the carelessness of the contractor. This could have been a big mishap and a fatal accident if the protection relays had not operated in time.
The cable repair will take a considerable time and also will affect the reduction of life cycle time of the whole cable laid. The cost of the repair will be approximately Rs.1.5 Crs.
In Hyderabad city, the 400KV, 220VK & 132KV cables are laid for length of 250KM approximately. All the line departments and private people have to inform TSTRANSCO before taking up the road excavation works, otherwise it will disturb power supply system in Hyderabad and dangerous to the people working there.
