The invention belongs to the technical field of thermal power generating unit frequency modulation control systems, and particularly provides a thermal power generating unit frequency modulation control system assisted by cluster electric vehicles, which comprises an AEV cluster module, a central control unit, a double-layer MPC controller, a variational mode decomposition VMD processing module, a tie line control module and a state monitoring module. The central control unit receives and processes the real-time working state and performance data of the thermal power generating unit and the AEV provided by the state monitoring module, and generates a corresponding frequency modulation instruction; the double-layer MPC controller optimizes and processes a frequency modulation instruction, so that the system is ensured to achieve the optimal economic benefit, and meanwhile, the frequency regulation precision and the response speed are ensured; the variational mode decomposition VMD processing module decomposes an original frequency modulation signal into different frequency components, the thermal power generating unit and the AEV respond to low-frequency and high-frequency components respectively, and accurate and efficient response to frequency modulation requirements is achieved; when the total adjustable power of the thermal power generating unit and the AEV cannot meet the frequency modulation requirement, the tie line control module performs energy interaction with other areas to complete frequency modulation. According to the system, the frequency modulation effect of the thermal power generating unit is effectively improved, the economical efficiency and the stability of the power system are optimized, and meanwhile, a flexible and efficient frequency modulation strategy is provided for the power system.
本发明属于火电机组调频控制系统的技术领域,具体提供一种使用集群电动汽车协助的火电机组调频控制系统,该系统包括AEV集群模块、中央控制单元、双层MPC控制器、变分模态分解VMD处理模块、联络线控制模块、状态监测模块。中央控制单元接收并处理状态监测模块提供的火电机组和AEV的实时工作状态和性能数据,生成相应的调频指令;双层MPC控制器优化并处理调频指令,确保系统在达到最佳经济效益的同时,保证频率调节精度和响应速度;变分模态分解VMD处理模块将原始调频信号分解为不同的频率成分,火电机组和AEV分别响应低频和高频成分,实现对调频需求的精准和高效响应;在火电机组和AEV的总可调功率无法满足调频需求时,联络线控制模块会与其他区域进行能量交互以完成调频。本系统有效提升了火电机组的调频效果,优化了电力系统的经济性和稳定性,同时也为电力系统提供了一种灵活、高效的调频策略。
Thermal power generating unit frequency modulation control system assisted by cluster electric vehicles
一种使用集群电动汽车协助的火电机组调频控制系统
12.07.2024
Patent
Elektronische Ressource
Chinesisch
Europäisches Patentamt | 2024
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