South Korean Power Plant Receives Upgrades
Alstom has signed a contract with GS Power Co. Ltd. to upgrade two gas turbines at the Anyang gas-fired combined-cycle power plant located on the outskirts of Seoul, South Korea. This follows a contract signed in February 2009 to upgrade the first two gas turbines. Work is scheduled to begin in April 2010 and the upgrades scheduled for completion in 2011.
The scope of the project includes the upgrade of each GT11N type gas turbine to GT11NM XP (Extended Power), associated auxiliary services and spare parts, including new turbine blades and vanes, heat shield segments, vane carrier, and exhaust gas housing. Alstom said the upgrade will lead to a 10% increase in power output and efficiency without increased emissions.
The GT11NM XP (Extended Power) package was designed with hardware with thermal barrier coatings that permit the engine to be fired at higher temperatures, leading to additional power output.
The Alstom-built Anyang combined-cycle power plant has been in commercial operation since 1992. With four GT11N gas turbines and one steam turbine, the plant currently has an overall capacity of 478 MW. A portion of the generated process steam is also used for district heating.
For more information: www.alstom.com