en.Wedoany.com Reported - On April 12, with the successful one-time startup and grid connection of Unit 3 at the Fuqing Nuclear Power Plant in Fujian, China, after its seventh refueling overhaul, the first self-developed turbine control and protection system for a million-kilowatt unit by CNNC was officially put into operation. This marks a milestone achievement for CNNC in the independent development of core nuclear power control systems.
The nuclear power steam turbine is the core power equipment that converts nuclear energy into electrical energy. The turbine control system, known as the "nerve center" of the turbine, mainly includes core modules such as the turbine regulation system and protection system. It undertakes the critical task of precisely controlling core parameters such as turbine speed and output power throughout the entire process. Achieving its self-development is a key and challenging task for the high-quality development of China's nuclear power industry.
This project was led by Fuqing Nuclear Power, which formed a dedicated team in collaboration with CNNC Wuhan, Dongfang Automation Control, and Supcon Technology. The team successfully overcame several key technologies, including control configuration migration, system network framework reconstruction, and protection system controller synchronization. They successfully developed an independent system with four core advantages: "independent maintenance, triple redundancy, deep adaptation, and efficient operation and maintenance." All performance indicators meet the requirements for million-kilowatt units, effectively improving the unit's operational efficiency and reliability. Furthermore, the success of this independent upgrade has accumulated replicable and promotable experience for the technical transformation of the group company and even similar nuclear power units, exploring a practical and feasible path for the independent development of core nuclear power equipment.
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