ABB Delhi

The Rihand-Delhi HVDC transmission is the first commercial long-distance HVDC link in India. The two converter stations in Rihand and Dadri, outside Delhi, were supplied jointly by ABB and Bharat Heavy Electricals Limited, a government of India undertaking. The transmission was, which was commissioned in 1990, is owned by Power Grid Corporation of India. Part of the power from the 3000 MW coal-based thermal power Rihand complex in Uttar Pradesh is carried by the Rihand-Delhi HVDC bipolar transmission link, which has a rated capacity of 1500 MW at ±500 kV DC. Some of the power is transmitted via the existing parallel 400 kV AC lines.

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