Siemens receives further orders for H-class technology from South Korea

The company is supplying three H-class single shaft units for the POSCO project

(PresseBox) ( Erlangen, )
Siemens receives a fourth order for its most efficient power plant technology from South Korea. Siemens is delivering three power islands in single shaft configuration to POSCO Energy each consisting of one H-class gas turbine, one steam turbine, one generator and one heat recovery steam generator, and I&C equipment. In addition a long term service (LTP) contract is supporting the reliability and availability as well as the economic operation of the three units. The natural-gas-fired plant will have an installed capacity over 420 megawatts (MW) each and will reach a gross efficiency of over 61 percent. The new power units are designed for 250 starts per year, and will need only 30 minutes from a hot start to full load. Start of commercial operation is scheduled for summer 2014. The order volume including the LTP contract is approximately EUR400 million.

The new POSCO Power units will be built on the already existing site in the Metropolitan City of Incheon approximately 30 kilometers west of Seoul. This order from South Korea following orders for the Bugok III, Ansan and Andong combined cycle power plants (CCPP) is the fourth order for the H-class technology within 18 months. In total Siemens has so far sold seven of these high-performance machines in the country.

"We opted for the Siemens H-class technology particularly because it is associated with very high efficiency and short start-up times together with a high level of operational flexibility and availability. Due to the very limited space at our site we are pleased that Siemens found the right solution to integrate and optimize the new units according to our needs. We are looking forward to execute this important project with such an experienced and reliable partner as Siemens," said Jin-Won Park, Vice President of Construction Division of POSCO Energy. As an answer to space limitations Siemens designed the new plant in such a way that the three units will be erected in one building.

"With this new project we continue our excellent relationship with POSCO Energy which has been founded with the POSCO Unit 1 project back in the 1990ties", said Lothar Balling, Head of Gas Turbine Power Plant Solutions in the Fossil Power Generation Division of Siemens Energy. The Siemens scope of supply comprises three SGT6-8000H gas turbines, three SST6-5000 steam turbines, three hydrogen cooled SGen6-2000H generators, the SPPA-T3000 instrumentation and control system for the power plant, parts of the BoP-equipment, as well as the basic design. Siemens is also responsible for the installation and commissioning. The power plants will be of a single-shaft design where the main components are arranged on a single shaft. A synchronous self-shifting (SSS) clutch is installed between the generator and the steam turbine. Three Benson-Heat Recovery Steam Generators will be integrated here.

High-efficiency combined-cycle power plants (CCPP) are part of Siemens' Environmental Portfolio. In fiscal 2011, revenue from the Portfolio totaled about €30 billion, making Siemens one of the world's largest suppliers of ecofriendly technologies. In the same period, our products and solutions enabled customers to reduce their carbon dioxide (CO2) emissions by nearly 320 million tons, an amount equal to the total annual CO2 emissions of Berlin, Delhi, Hong Kong, Istanbul, London, New York, Singapore and Tokyo.
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