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Dual-layer optimization operation of an island microgrid considering demand response
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Honghai KUANG, Yuhao XU, Zilong LI, Huixian YANG
Electrical Engineering | 2025, 26(3) : 15 - 21
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Electrical Engineering | 2025, 26(3): 15-21
Research & Development
Dual-layer optimization operation of an island microgrid considering demand response
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Honghai KUANG, Yuhao XU, Zilong LI, Huixian YANG
Affiliations
  • College of Electrical and Information Engineering, Hu'nan University of Technology, Zhuzhou, Hu'nan 412007
Published: 2025-03-15
Outline
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To comprehensively consider the benefits of both the supply and demand sides in the scheduling process of a microgrid, an island microgrid dual-layer optimal scheduling model considering demand response is established. The upper level optimizes the output of each unit with the goal of maximizing the net revenue of the microgrid. The lower level optimizes the load curve with the goal of maximizing residents' overall comfort. An improved dung beetle optimizer is used to solve the dual-layer optimization model. The population is initialized using a sinusoidal mapping and optimized with quasi-oppositional learning to increase population diversity. During the update phase, the Harris hawks' besiege strategy and adaptive t-distribution perturbation are introduced to enhance the optimization capability and improve the solution quality. The superiority of the improved algorithm is verified by comparing its convergence on test functions with other algorithms. The case study results show that the improved algorithm not only improves the system's economic benefits but also enhances the users' electricity and energy comfort. Comparing the results with those obtained by the original dung beetle optimizer confirms the effectiveness of the im-proved method.

microgrid  /  demand response  /  dual-layer optimization  /  dung beetle optimizer
Honghai KUANG, Yuhao XU, Zilong LI, Huixian YANG. Dual-layer optimization operation of an island microgrid considering demand response[J]. Electrical Engineering, 2025 , 26 (3) : 15 -21 .
Year 2025 volume 26 Issue 3
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Article Info
  • Receive Date:2024-09-05
  • Online Date:2025-11-10
  • Published:2025-03-15
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  • Received:2024-09-05
  • Revised:2024-10-08
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    College of Electrical and Information Engineering, Hu'nan University of Technology, Zhuzhou, Hu'nan 412007
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
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占总种数比例
Percentage of
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Number of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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