Evolution and Future Trend of Large Frame Gas Turbine for Power Generation

概要

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Mitsubishi Heavy Industries, Ltd. (MHI) developed a 1100°C class D series gas turbine in the 1980s and constructed the world’s first successful large-scale combined cycle power plant. Since then, MHI has developed the F and G series gas turbines with higher turbine inlet temperature and has delivered these units worldwide accumulating successful commercial operations. These gas turbines are constantly improved, adding to their successful operation. MHI is currently participating in a Japanese National Project to promote the development of component technology for the next generation 1700°C class gas turbine. The thermal efficiency will be improved significantly with this new technology by raising the turbine inlet temperature and the pressure ratio. MHI recently developed a 1600°C class J series gas turbine utilizing some of the technologies developed in the National Project. This paper discusses the history and the evolution of MHI large frame gas turbine for power generation and the activities currently in progress for an environmentally friendly technology in the future.