Load frequency control of interconnected power system with wide‑area hybrid energy storage
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(Key Laboratory of Advanced Perception and Intelligent Control of High‑end Equipment, Ministry of Education (Anhui Polytechnic University), Wuhu 241000, China)

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TM76

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    Abstract:

    In order to solve the problems of insufficient flexible resources and poor regulation characteristics of power system frequency regulation, a load frequency coordination optimization control method based on distributed model predictive control is proposed for the interconnected power system with the wide?area access of pumped storage and battery energy storage. Firstly, according to the frequency response characteristics of the main components in the interconnected power system, the state space model of the frequency response of the interconnected power system is established. Then, taking into account the constraints on the system, the optimal control targets are determined, and the controllers are designed in each area, respectively. Finally, the feasibility and effectiveness of the proposed load frequency coordinated optimization control method are verified in simulation. The results show that the method not only improves the frequency response characteristics of the wide?area hybrid energy storage interconnected power system, but also enables different energy storage forms to respond reasonably when the system frequency changes.

    Reference
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鲁志远,刘世林,范保程,孙 波.含广域混合储能互联电力系统的负荷频率控制[J].电力科学与技术学报英文版,2023,38(6):96-104. LU Zhiyuan, LIU Shilin, FAN Baocheng, SUN Bo. Load frequency control of interconnected power system with wide‑area hybrid energy storage[J]. Journal of Electric Power Science and Technology,2023,38(6):96-104.

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  • Online: January 30,2024
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