Planning-Oriented resilience assessment and enhancement of integrated electricity-gas system considering multi-type natural disasters

Han Wang, Kai Hou, Junbo Zhao, Xiaodan Yu, Hongjie Jia and Yunfei Mu

Applied Energy, 2022, vol. 315, issue C, No S0306261922002690

Abstract: A planning-oriented resilience assessment and enhancement approach is proposed that can efficiently deal with multi-type natural disasters. A unified disaster modelling framework is proposed to extract key information from various potential disaster scenarios, thus forming a disaster scenario database. The impact-increment-based enumeration method is applied, and a reusable impact-increment database is established to speed up the assessment process. The reusable database is also utilized to calculate component-level resilience indices and economic indices, so as to make enhancement strategies against potential disasters within planning time scale. Resilience assessment on an integrated electricity-gas system in Taiwan's coastal seismic statistical zone shows that the proposed method can significantly improve the computational efficiency as compared to existing methods. Numerical results indicate that the resilient planning considering the diversity of natural disaster types comprehensively improves the system resilience, which means it is not only concerned with the system performance under a single type of disaster. In addition, the most suitable resilience enhancement scheme with insufficient funds shall be developed according to the economic indices, instead of the component-level resilience indices that cannot balance the resilience enhancement effect with the implementation cost.

Keywords: Resilience Assessment; Resilience Enhancement; Integrated Electricity-Gas System; Multi-type Natural Disasters; Reusable Impact-Increment Database (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (12)

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DOI: 10.1016/j.apenergy.2022.118824

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