THERMAL POWER Next generation gas turbine control system for thermal power plants

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CISSOID S.A.

Mitsubishi Power and Mitsubishi Electric Corporation (Mitsubishi Electric) have completed functional testing of their jointly developed next-generation gas turbine control system for thermal power plants. This control system integrates Mitsubishi Power's control technology and Mitsubishi Electric's high-speed data processing technology to optimize the operation of large-scale gas turbines used for power generation, achieving stable and efficient power output.

The recent functional tests confirmed the system's capability to efficiently process the growing volume of operational data produced by larger and higher-performance gas turbines. Moving forward, the two companies will leverage their respective strengths to further advance joint development and verification efforts, including system validation tests simulating actual equipment, with the aim of launching the system to the market for new projects in fiscal year 2026.

The control system is an essential component supporting the high availability and safety of power plants, including gas turbine combined cycle (GTCC) facilities. Since the late 1980s, Mitsubishi Power has developed and supplied control systems that ensure high operational reliability and meet demanding maintenance support and safety requirements for both domestic and international power plants. Its proprietary "DIASYS" series is tailored to meet the diverse needs and regulatory standards of various countries, with over 3,000 units delivered to more than 60 countries worldwide for both overseas power plants and domestic industrial power generation facilities. Meanwhile, Mitsubishi Electric has supplied over 1,000 units of its instrumentation and control system, the "MELSEP" series, designed to meet domestic electric utility standards, to thermal and hydroelectric power plants since 1980, contributing to the stable supply of electricity in Japan.

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As efforts toward decarbonization accelerate, there is growing demand for more flexible operation of thermal power plants that can quickly adjust load to complement the variable output of renewable energy sources and accommodate fuel diversification such as co-firing natural gas with hydrogen. To meet these needs and address the increasing size and enhanced performance of gas turbines, Mitsubishi Power and Mitsubishi Electric have been jointly developing a next-generation gas turbine control system that integrates Mitsubishi Power's expertise in optimal control with Mitsubishi Electric's hardware equipped with high-speed data processing technology capable of handling large volumes of data.

Through the development of this control system, Mitsubishi Power and Mitsubishi Electric will contribute to the stable supply of electricity essential for economic development worldwide, promote energy decarbonization, and support the preservation of the global environment.

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