Robust Optimal Scheduling of Integrated Energy Systems Considering the Uncertainty of Power Supply and Load in the Power Market

被引:3
|
作者
Zhao, Lang [1 ,2 ]
Zeng, Yuan [1 ]
Wang, Zhidong [2 ]
Li, Yizheng [2 ]
Peng, Dong [2 ]
Wang, Yao [3 ]
Wang, Xueying [2 ]
机构
[1] Tianjin Univ, Key Lab Smart Grid, Minist Educ, Tianjin 300072, Peoples R China
[2] State Grid Econ & Technol Res Inst Co Ltd, Beijing 102209, Peoples R China
[3] State Grid Shanxi Elect Power Co, Econ & Tech Res Inst, Taiyuan, Peoples R China
关键词
integrated energy system; uncertainty; chance constraint; robust optimization; OPTIMIZATION;
D O I
10.3390/en16145292
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
The integrated energy system is a complex energy system that involves multi-stakeholder and multi-energy coordinated operations. The key to improving its scale and sustainable development is to construct a better-integrated energy system dispatching method which is suitable for the power market. However, the randomness of the supply side and load side of the integrated energy system brings further challenges to system planning and scheduling. Therefore, the optimal scheduling method of an integrated energy system considering the uncertainty of supply and demand in the market environment is studied in this paper. Firstly, the uncertainty models of the supply side and load side of the integrated energy system are established. Then, the optimal scheduling model based on robust chance constraint is established. The reserve capacity constraint is set as a chance constraint with a certain confidence level to maximize the system profit in the power market. Finally, simulations show that the proposed method not only guarantees the robustness of the system but also improves the economy of the system. The method provides ideas for exploring the development mechanism and strategy of integrated energy systems in the electricity market environment.
引用
收藏
页数:14
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