A fast optimal load shedding method for power system reliability assessment based on shadow price theory

被引：0

作者：

Hou K. ^{[1
]}

Tang P. ^{[1
]}

Liu Z. ^{[2
]}

Jia H. ^{[2
]}

Yuan K. ^{[3
]}

Sun C. ^{[3
]}

Song Y. ^{[3
]}

机构：

[1] Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin

[2] Key Laboratory of Smart Energy and Information Technology of Tianjin Municipality, Tianjin University, Tianjin

[3] State Grid Economic and Technological Research Institute Co., Ltd., Beijing

来源：

Energy Reports | 2022年 / 8卷

基金：

中国国家自然科学基金; 英国工程与自然科学研究理事会;

关键词：

Optimal load shedding; Reliability assessment; Sensitivity analysis; Shadow price;

D O I：

10.1016/j.egyr.2021.11.104

中图分类号：

学科分类号：

摘要：

The optimal load shedding calculations of an enormous number of contingency states are the most challenging impediments for power system reliability assessment, especially in a large-scale system with multiple types of loads. To deal with that, this paper proposes a fast method that accelerates the calculation of optimal load shedding based on the shadow price. This method calculates the optimal load shedding of systems by shadow-price-based linear functions, rather than the time-consuming OPF algorithms. The hundred percentage criterion is used to look for the matching shadow price of states. Case studies are performed on the RTS-79 system. The results show that the proposed methodology can significantly simplify the solving process and reduce the calculation time. © 2021 The Author(s)

引用

页码：352 / 360

页数：8

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