Siemens has commissioned high-voltage direct current (HVDC) link featuring voltage-sourced converter (VSC) technology. The 2,000 megawatts (MW) electricity transmission system, consisting of two links between Pugalur in the state of Tamil Nadu and Thrissur in Kerala, supports Power Grid Corporation of India (PGCIL) to counter power deficit in India’s southern region and improve the grid stability. The ±320 kilovolt (kV) HVDC system was realized by Siemens in association with a consortium of Siemens Energy (Germany) and Sumitomo Electric Industries, Japan and features for the first-time the integration of High Voltage Direct Current XLPE Cable with overhead lines in India.
This link has now been put into commercial operation and enables the exchange of electricity in both directions. Major HVDC equipment such as interface transformers and IGBT-based power converters, and other high & medium voltage AC equipment such as gas insulated switchgear, air insulated switchgear, control & relay panels etc. have been supplied from Siemens' factories in India.
Gerd Deusser, Executive Vice President and Head, Energy, Siemens, said, “We take great pride in partnering PGCIL in this landmark HVDC project. It supports the major initiatives of the Government to achieve '24×7 Power for all' in the country by ensuring reliable power supply, improving the grid’s stability, and facilitating the efficient use of renewable energy. The project reinforces our purpose of driving the energy transition to more sustainable, reliable, and innovative systems.”
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