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Resilience Assessment of Active Distribution Systems Considering Microgrid Formation based on Grid-Edge DERs
  • +2
  • Yuxiong Huang,
  • Xuanman Rong,
  • Gengfeng Li,
  • Chen Chen,
  • Zhaohong Bie
Yuxiong Huang
Xi'an Jiaotong University
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Xuanman Rong
Xi'an Jiaotong University
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Gengfeng Li
Xi'an Jiaotong University

Corresponding Author:gengfengli@xjtu.edu.cn

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Chen Chen
Xi'an Jiaotong University
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Zhaohong Bie
Xi'an Jiaotong University
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Abstract

Distributed energy resources (DERs) provide flexible load restoration strategies, which can effectively enhance the resilience of active distribution systems (ADSs). Whereas, the widespread DERs in ADSs complicate the supply-demand relationship and make the system resilience difficult to access. Therefore, this paper proposes a simulation-based resilience assessment algorithm of ADSs considering the microgrid formation based on grid-edge DERs. Microgrid formation is used to depict the resilience gain of grid-edge DERs on ADSs. Specifically, a resilience assessment framework for ADSs is firstly proposed, where the uncertainty of component state and supply-demand is modelled based on probability statistics. Then the mixed integer linear programming is used to search for optimal load restoration strategies with microgrid formation. On this basis, a set of resilience indices are defined to quantitatively analyse the resilience of ADSs, and a resilience assessment algorithm with uncertainty scenario generation is proposed to obtain these indices. Furthermore, extensive numerical results based on a modified IEEE 123-bus feeder validate the effectiveness of our proposed method.
08 Feb 2023Submitted to IET Generation, Transmission & Distribution
09 Feb 2023Submission Checks Completed
09 Feb 2023Assigned to Editor
11 Feb 2023Reviewer(s) Assigned
21 Feb 2023Review(s) Completed, Editorial Evaluation Pending
27 Feb 2023Editorial Decision: Revise Major
26 Mar 20231st Revision Received
03 Apr 2023Submission Checks Completed
03 Apr 2023Assigned to Editor
03 Apr 2023Reviewer(s) Assigned
07 Apr 2023Review(s) Completed, Editorial Evaluation Pending
25 Apr 2023Editorial Decision: Accept