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Joint planning of hybrid energy storage considering the flexibility of supply and demand balance in power system
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Jian Tang1, Yiqiong He1, Xiaoyu Yu2, Hongyang Liu1, Jianfei Liu1, Nantian Huang2
Renewable Energy Resources | 2024, 42(7) : 946 - 953
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Renewable Energy Resources | 2024, 42(7): 946-953
Joint planning of hybrid energy storage considering the flexibility of supply and demand balance in power system
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Jian Tang1, Yiqiong He1, Xiaoyu Yu2, Hongyang Liu1, Jianfei Liu1, Nantian Huang2
Affiliations
  • 1 Economic Research Institute State Grid East Inner Mongolia Economic Research Institute Huhhot 010010 China
  • 2 School of Electrical Engineering Northeast Electric Power University Jilin 132012 China
Published: 2024-07-20
Outline
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The output of wind, solar and other renewable energy sources is highly variable and stochastic, which poses a great challenge for the flexibility of the system. Therefore, a hybrid energy storage joint planning method for power systems that balances economy and flexibility is proposed. First, the flexibility requirements of the source and load sides are assessed from the perspective of power balance; then, a twolayer planning model that coordinates the flexibility retrofit of thermal power units and the hybrid energy storage is established, with three types of flexibility resources as the planning objects, namely, thermal power unit flexibility retrofit, Vanadium Redox flow Battery, and pumped storage. Using the upper and lower layer models, the scheme is iteratively optimized to obtain the optimal hybrid energy storage configuration scheme that balances economy and flexibility; secondly, an an improved whale algorithm based on inverse learning is adopted to optimize the planning model, and the validity of the model is verified by simulation. Finally, a case study is carried out using historical data from a certain region in Inner Mongolia Eastern to validate the effectiveness of the proposed method.

flexibility  /  hybrid energy storage system  /  two-layer planning model  /  improved beluga whale optimization
Jian Tang, Yiqiong He, Xiaoyu Yu, Hongyang Liu, Jianfei Liu, Nantian Huang. Joint planning of hybrid energy storage considering the flexibility of supply and demand balance in power system[J]. Renewable Energy Resources, 2024 , 42 (7) : 946 -953 .
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Year 2024 volume 42 Issue 7
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  • Receive Date：2023-10-14
  • Online Date：2025-07-22
  • Published：2024-07-20
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  • Received：2023-10-14
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    1 Economic Research Institute State Grid East Inner Mongolia Economic Research Institute Huhhot 010010 China
    2 School of Electrical Engineering Northeast Electric Power University Jilin 132012 China
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