Mitsubishi Heavy Industries, Ltd. (MHI) developed a 1100°C class D-type 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-type gas turbines with higher turbine inlet temperature and has delivered these units worldwide accumulating successful commercial operations. 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. MHI recently developed a 1600°C class J-type gas turbine utilizing some of the technologies developed in the National Project. This paper discusses the history and evolution of MHI large frame gas turbine for power generation and the 1600°C class J-type gas turbine update, including the engine specification, verification and trial operation status.

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