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Abstract
In recent years, the increased frequency of natural hazards has led to more disruptions in power grids, potentially causing severe infrastructural damages and cascading failures. Therefore, it is important that the power system resilience be improved by implementing new technology and utilizing optimization methods. This paper proposes a data-driven spatial distributionally robust optimization (DS-DRO) model to provide an optimal plan to install and dispatch distributed energy resources (DERs) against the uncertain impact of natural hazards such as typhoons. We adopt an accurate spatial model to evaluate the failure probability with regard to system components based on wind speed. We construct a moment-based ambiguity set of the failure distribution based on historical typhoon data. A two-stage DS-DRO model is then formulated to obtain an optimal resilience enhancement strategy. We employ the combination of dual reformulation and a column-and-constraints generation algorithm, and showcase the effectiveness of the proposed approach with a modified IEEE 13-node reliability test system projected in the Hong Kong region.
Original language | English |
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Pages (from-to) | 979-993 |
Number of pages | 15 |
Journal | Risk Analysis |
Volume | 43 |
Issue number | 5 |
Online published | 8 Jul 2022 |
DOIs | |
Publication status | Published - May 2023 |
Funding
This work is supported by National Natural Science Foundation of China (72171191, 71971181 and 72032005) and by Research Grant Council of Hong Kong (11203519, 11200621). It is also funded by the Natural Science Basic Research Program of Shaanxi under Grant 2021JM-026, Hong Kong Innovation and Technology Commission (InnoHK Project CIMDA).
Research Keywords
- distributed energy resources
- distributionally robust optimization
- power grids
- resilience analytics
- typhoon hazards
Publisher's Copyright Statement
- COPYRIGHT TERMS OF DEPOSITED POSTPRINT FILE: This is the peer reviewed version of the following article: Yin, Z., Fang, C., Yang, H., Fang, Y., & Xie, M. (2023). Improving the resilience of power grids against typhoons with data-driven spatial distributionally robust optimization. Risk Analysis, 43(5), 979-993
- which has been published in final form at https://doi.org/10.1111/risa.13995. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
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