Optimal Dispatch Strategy for a Flexible Integrated Energy Storage System for Wind Power Accommodation

被引:12
|
作者
Zhou, Yunhai [1 ,2 ]
Zhao, Pinchao [1 ,2 ]
Xu, Fei [3 ]
Cui, Dai [4 ,5 ]
Ge, Weichun [4 ,5 ]
Chen, Xiaodong [4 ]
Gu, Bo [4 ]
机构
[1] China Three Gorges Univ, Coll Elect Engn & New Energy, Yichang 443000, Peoples R China
[2] China Three Gorges Univ, Hubei Prov Key Lab Operat & Control Cascaded Hydr, Yichang 443000, Peoples R China
[3] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
[4] Liaoning Elect Power Co Ltd, Jinzhou Power Supply Co, Shenyang 121000, Peoples R China
[5] Shenyang Univ Technol, Sch Elect Engn, Shenyang 110870, Peoples R China
关键词
integrated energy system; flexibility; energy storage; heat storage; optimal dispatching; COMBINED HEAT; OPTIMIZATION;
D O I
10.3390/en13051073
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 application of the large-capacity energy storage and heat storage devices in an integrated energy system with a high proportion of wind power penetration can improve the flexibility and wind power accommodation capacity of the system. However, the efficiency and cost of the flexible resource should also be taken into consideration when improving the new energy accommodation capacity. Based on these considerations, the authors try to construct a joint optimal scheduling model for day-ahead energy storage and heat storage that considers flexibility. The power supplies and devices will be modeled separately, which enables a universal applicability. The objective function is the minimum cost and wind curtailment. Various practical constraints are taken into account. The mixed integer programming and software GLPK is used to program and solve. The actual operation data of a provincial power grid in northern China is used to conduct simulation analysis in four different working conditions. The results show that the model can maintain economical efficiency under different working conditions. In addition, it can adjust and dispatch various power supplies and devices efficiently, significantly improving wind power accommodation of the system.
引用
收藏
页数:18
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