Optimal Allocation of Energy Storage in Regional Integrated Energy System Based on Security Region

被引：0

作者：

Guo Y. ^{[1
]}

Wang D. ^{[1
]}

Li S. ^{[1
]}

Jia H. ^{[1
,2
]}

Li J. ^{[1
]}

Zheng Y. ^{[3
,4
,5
]}

Yang Z. ^{[3
,4
,5
]}

机构：

[1] Key Laboratory of Smart Grid(Tianjin University), Ministry of Education, Nankai District, Tianjin

[2] Key Laboratory of Smart Energy & Information Technology of Tianjin Municipality (Tianjin University), Nankai District, Tianjin

[3] NARI Technology Co., Ltd., Nanjing

[4] NARI Group Corporation (State Grid Electric Power Research Institute), Nanjing

[5] State Key Laboratory of Smart Grid Protection and Control(NARI Group Corporation (State Grid Electric Power Research Institute)), Nanjing

来源：

Dianwang Jishu/Power System Technology | 2022年 / 46卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Energy storage; Integrated energy system; Multi-objective bi-level optimization; Security region method;

D O I：

10.13335/j.1000-3673.pst.2021.0474

中图分类号：

学科分类号：

摘要：

A regional integrated energy system security region is a hypergeometric space surrounded by several practical security boundaries based on the N-1 security guideline. An energy storage device can not only reduce the operation cost of the system by using the low-storage high-incidence operation strategy, but also be used as the temporary power supply after an N-1 contingency so as to expand the security region and improve the safety of the system. Firstly, the practical security boundary considering energy storage is constructed, and the full dimensional security margin standard deviation index is proposed; Secondly, the multi-objective bi-level optimal allocation model of energy storage is built with the life cycle cost and benefit of energy storage, the total supply capability (TSC) index and the full dimensional security margin standard deviation index as the objectives, in which the lower optimization model includes the operation optimizing model and the TSC solution model; Finally, a case is given to verify the proposed method with consideration of economy and safety. The results show that the N-1 insecurity problem of the system can be effectively solved by reasonably allocating the energy storage devices, and that the security indexes can be improved. In addition, the method can generate a set of schemes with different economy and safety allocations, which offers more choices for the decision makers. © 2022, Power System Technology Press. All right reserved.

引用

页码：604 / 612

页数：8

共 24 条

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