ABB to enhance 400 kV transmission line in India with flexible AC system solution

Order confirms increasing demand of high-end power technology in India

Zurich, Switzerland, March 17, 2003 - ABB, the leading power and automation technology group, has won a turnkey Flexible AC Transmission System (FACTS) order, valued at US$17 million, from Powergrid Corporation of India Limited (PGCIL). ABB will build a fixed and thyristor-controlled series compensation scheme for PGCIL’s 412-kilometer long, 400 kV double-circuit inter-regional tie line.

The line, along with the existing 1000 MW HVDC back-to-back link in Chandrapur, will ensure reliable power supply and stable inter-regional transfer of power from eastern to southern India. In addition, this innovative technology will minimize cascade trippings and the chances of a grid collapse, if either pole of the HVDC bipoles were to trip.

"ABB is the market leader in high-end technologies like FACTS. Thyristor-controlled series compensation is a state-of-the-art technology, improving the performance of our customer's power grid," said Peter Smits, head of ABB’s Power Technologies division. "This order confirms the increasing demand for advanced infrastructure technology in India."

The order comprises design, manufacture, equipment supply, erection, testing and commissioning of this FACTS application. The equipment includes thyristor valves and associated cooling system, the complete control systems, as well as digital optical current transformers. The term FACTS covers a number of technologies that enhance the security, capacity and flexibility of power transmission systems. The project is scheduled to be commissioned in around 15 months.

ABB ( is a leader in power and automation technologies that enable utility and industry customers to improve performance while lowering environmental impact. The ABB Group of companies operates in more than 100 countries and employs about 139,000 people.

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    FACTS devices are a high-end power technology providing more flexibility in power transmission.

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