Life assessment and refurbishment of ±500kV, 2500 MW Talcher-Kolar HVDC Converter Stations

This paper investigates the refurbishment of the Talcher-Kolar HVDC link as it approaches 25 years of service. It evaluates options for enhancing the link’s capabilities in light of emerging technologies, evolving network conditions, and new markets, such as Renewable Energy (RE) integration. Ultimately, techno-economic factors, implementation feasibility, and market requirements determine the final solution.