Coordinated optimal capacity configuration of energy storage equipped by new energy and transmission lines considering consumption level

被引：0
|
作者：
Xie Y. [1 ]
Li J. [1 ]
Wang C. [2 ]
Gao B. [1 ]
Zheng T. [3 ]
Mei S. [2 ]
机构：
[1] State Grid Anhui Electric Power Research Institute, Hefei
[2] Department of Electrical Engineering, Tsinghua University, Beijing
[3] Sichuan Energy Internet Research Institute, Tsinghua University, Chengdu
来源：
Dianli Zidonghua Shebei/Electric Power Automation Equipment | 2023年 / 43卷 / 07期
基金：
中国国家自然科学基金;
关键词：
capacity configuration; chance-constrained programming; conditional value at risk; coordinated optimization; energy storage; new energy;
D O I：
10.16081/j.epae.202212008
中图分类号：
学科分类号：
摘要：
With the rapid increase of the proportion of renewable energy power generation represented by wind and photovoltaic power，the uncertainty and volatility of the output of wind farms and photovoltaic power plants pose great challenges to the real-time power balance. The configuration of energy storage with reasonable scale can guarantee the economy and improve the utilization rate of new energy. Therefore，aiming at the new energy power station with known capacity，a chance-constrained programming model for coordinated optimal capacity configuration of energy storage equipped by new energy and transmission lines is proposed，which aims to minimize the construction cost of energy storage and transmission lines，and takes the annual new energy abandonment rate not exceeding the specified index as the chance constraints. Since the chance constraints are usually non-convex and lack explicit expressions，the feasible domain corresponding to the chance constraints is conservatively converted into linear constraints based on conditional value at risk to obtain a linear programming problem which can be efficiently solved，and the robustness of the programming scheme to the probability distribution of new energy scenarios is quantitatively analyzed. The example analysis results show that the proposed programming model can effectively solve the capacity configuration problem of energy storage and transmission lines considering the consumption level of new energy，and the capacity of transmission lines can be reduced by rational configuration of energy storage，thus saving the total investment cost. © 2023 Electric Power Automation Equipment Press. All rights reserved.
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页码：51 / 57and72
页数：5721
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