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Power transmission capacity in South Africa boosted

17 February 2009

ABB has won an order worth $53 million from the South African power utility, Eskom, to strengthen the transmission network in the Western Cape region.

High Voltage Direct Current
High Voltage Direct Current

ABB will design, manufacture, install and commission six 765kV capacitor banks at Alpha, Beta, Mercury and Perseus substations. The installations, which form part of an initiative to increase power capacity in Cape Town and surrounding areas, will allow Eskom more flexibility and reduce their reliance on the existing Koeberg power station. The compensators used in the project are part of a family of technologies known as Flexible Alternating Current Transmission Systems (Facts).

The order was booked in the fourth quarter of 2008 and is expected to be completed by 2010.
“ABB’s Facts technologies allow more power to be delivered more efficiently using existing infrastructure,” said Peter Leupp, head of ABB's Power Systems division. “This reduces the need to build additional transmission lines, lowering environmental impact and minimizing cost.”

The project includes ABB’s Mach2 technology, which is an advanced control and protection system, and the most widely applied platform for HVDC (High Voltage Direct Current) and Facta solutions. It brings the benefit of fast, flexible, real-time control. Fuseless capacitor units and high-speed bypass switches will further increase system reliability.

ABB is a pioneer in Facts technologies, with the largest installed base in the world. Eskom has awarded ABB a number of contracts in recent years, including a $90 million order to upgrade control systems and instrumentation at the Matla power plant in north-eastern South Africa.

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