A Resilient power System Operation Strategy Considering Transmission Line Attacks

被引:14
作者
Lai, Kexing [1 ,2 ]
Wang, Yishen [1 ]
Shi, Di
Illindala, Mahesh S. [2 ]
Zhang, Xiaohu [1 ]
Wang, Zhiwei [1 ]
机构
[1] GEIRI North Amer, San Jose, CA 95134 USA
[2] Ohio State Univ, Dept Elect & Comp Engn, Columbus, OH 43210 USA
来源
IEEE ACCESS | 2018年 / 6卷
关键词
Optimal power flow; power system operation; tri-level optimization; transmission system attack; robust optimization; resilience; VULNERABILITY ANALYSIS; OPTIMIZATION MODEL; UNIT COMMITMENT; UNCERTAINTY; STORAGE;
D O I
10.1109/ACCESS.2018.2875854
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Due to significant losses caused by attacks on power grids, mitigation of transmission line attacks has drawn increasing attention in recent years. It is crucial to develop solutions to mitigate these potential damages. Therefore, this paper presents a novel operational strategy aimed at minimizing unserved energy under the worst case attack on transmission lines of a power system with generators and utility-scale battery energy storage systems. This paper formulates a tri-level optimization problem to model interactions between the operator and the attacker. The upper-level problem represents normal operational actions to hedge against potential attacks and minimize operating costs. Then, the middle-level problem determines the attack strategy, including both attack time and lines to be attacked, to maximize impacts to the grid. The lower-level problem models actions of operators during restoration process by minimizing unserved energy. A column-and-constraint generation method is applied to solve the problem. Numerical case studies are conducted to demonstrate advantages of the proposed model in unserved energy reduction under the worst case transmission line attack.
引用
收藏
页码:70633 / 70643
页数:11
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