Business
Siemens Wins Steel Innovation Award
The Siemens energy sector received the special award for “Climate Protection with Steel” at the German Steel Innovation Awards for its new SGTS-8000H gas turbine.
The machine is deployed as a prime mover in combined cycle power plants. In combination with a steam turbine, it will attain world-record efficiency of over 60 per cent.
High efficiency levels are essential for saving fuels and thus conserving national resources, and for significantly reducing carbon dioxide (Co2) emissions to protect the climate. Combine cycle power plants currently attain efficiencies of over 58 per cent. An increase in efficiency of two percent points translates into annual C02 saving totaling approximately 40,000 metric tons that is equivalent to the C02 emissions of approximately 10,000 mid-range automobiles clocking up 20,000 kilometres a year. Siemens invested approximately Euro 500 million in development of the new turbine, construction of the gas turbine plant in Irsching and subsequently trial operation.
Approximately 95 percent of the new siemens gas turbine weighing a total of 444 metric tons is made of steel.
In spite of this, these machines are not “heavy metal” but special “high tech” products in which steel contributes toward climate and environmental protection. The new gas turbine is a unique combination of classic heavy mechanical engineering and ultramodern manufacturing technology. Miniscule parts and parts weighing several tons in total more than 7000 individual parts were assembled together using the most advanced methods with the precision of a watchmaker. The combustion chamber housing constitutes a manufacturing innovation.
In addition, the new turbine features a number of design improvements such as an innovative air cooling system for the turbine blades and vanes, which are exposed to temperatures as high as 1500 degree centigrade. The air cooling makes a significant contribution toward faster gas turbine start-up. This is becoming increasingly important because modern power plants are more and more frequently deployed as a backup for mind farms.
The new siemens H class gas turbine has an output of approximately 340megawatts (MW) in simple cycle operation.
That is sufficient to provide electricity for entire population of a city the size of Hamburg.
In combined cycle duty the output will be approximately 530 MW, which would be enough to supply the city of Berlin with its more than 3 million inhabitants with eco-friendly electricity. The turbine was produce at a gas turbine manufacturing plant in Berlin, which has since 1972 delivered over 6000 gas turbines for deployments in power plants to customers in more than 60 countries around the globe.
High-efficiency gas turbines are an important feature of the siemens environment portfolio. In 2008, revenue from the products and solution of siemens environmental portfolio was nearly Euro 19 billion, which is equivalent to around a quarter of siemens total revenue.

Chairman, Board of Directors, Federal Airports Authority of Nigeria (FAAN), Chief Ebitimi Banigo (right), Regional Manager, Port Harcourt Airport, Omagwa, Mr Uche Nwanguma (centre) and the Head of FAAN security, Mr S. O. Odugbemi, during the visit of the board to the airport, recently. Photo: Ike Wigodo.
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