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Power Plant Control System Order For Alstom

Posted on February 23, 2010

Alstom has won a contract worth US$122 million for the automation of Eskom’s latest thermal power plant project, Kusile. Alstom Power will engineer, supply and install its latest ALSPA Series 6 Distributed Control System (DCS). The contract follows a similar order in November 2009 for Kusile’s sister plant, Medupi and forms part of Eskom’s multi-billion rand expansion program to double South Africa’s electricity capacity in the coming decades.

This program covers the building of new capacity (like Kusile and Medupi) and optimizing existing fleets (such as retrofitting nuclear and coal plants such as Koeberg and Arnot). Alstom’s flexible control system will help Eskom maximize its fleet’s efficiency and stabilize the system by enabling real-time information exchange between baseload and renewable power plants.

The ALSPA Series 6 DCS is designed to ensure consistent and safe control for all parts of a power plant. The system includes the critical controls for turbines, generators and balance of plant (BoP) components. It also provides an advanced control and optimization application module.

According to the company, Alstom has had a presence in South Africa for 100 years and its turbines generate 80% of the country’s installed capacity. Most recently, the companies have collaborated on an integrated retrofit project to increase the capacity of the Arnot power plant by more than 300 MW, and a retrofit of the Koeberg nuclear facility to increase the power output by over 65 MW, improve the availability and reliability of power supply and also extend the lifetime of the plant.

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