EHVAC transmission lines maintenance techniques in Indian perspective — A review

Power system needs to be functioned at the designed capacity, security with high availability. To make Power system functioned properly, line outages should be made zero; for this continuous on line monitoring and suitable maintenance techniques utilized. This paper shows various Transmission Lines Maintenance techniques available and maintenance techniques presently utilized in India. For the instant maintenance operation there is need to utilised recent automation systems at various levels of Transmission, Substation & Distribution. This helps to reduce outages, to reduce power loss & quality of power supply. Deployment of this technology can open up new avenues for operators, technicians, power companies, system engineers and equipment manufacturers with new opportunities. Paper reviews the progress made in maintenance technology in India & also research and development made in all over the globe. This paper also shows issues & Challenges in Indian Transmission - Distribution Network & Blackouts - Major Reasons. Paper shows various methods of Transmission Line Maintenance & Line monitoring equipment with the development of advanced monitoring technologies.