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Electric Power Construction >

2024 , Vol. 45 >Issue 1: 83 - 91

DOI: https://doi.org/10.12204/j.issn.1000-7229.2024.01.008

Fundamental Theory and Key Technology of New Power System Resilience·Hosted by Professor XU Yin, Senior Engineer SHI Shanshan and Associate Professor WEI Wei·

Method for Evaluating Distribution Network Resilience Considering Switchgear and Feeder Automation Modes

  • Zhi LI 1 ,
  • Shaofeng YU 1 ,
  • Jiasheng PENG , 2 ,
  • Youhang YANG 2 ,
  • Xukang FANG 2 ,
  • Yunfeng WEN 2
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  • 1. Zhejiang Huadian Equipment Testing Institute Co., Ltd., Hangzhou 310000, China
  • 2. College of Electrical and Information Engineering, Hunan University, Changsha 410000, China

Received date: 2023-01-18

  Online published: 2023-12-24

Supported by

National Natural Science Foundation of China(52077066)

Science and Technology Project of State Grid Zhejiang Electric Power Co., Ltd.(2022FD02)

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Abstract

In this study, a method for evaluating the distribution network resilience that reflects switchgear and feeder automation modes was developed to quantitatively analyze the effects of the switchgear and different feeder automation modes on the resilience level of a distribution network. First, the block-circuit breaker correlation matrix was constructed to determine the action state of the switchgear in the case of failure. The action logic process of three feeder automation modes, that is, the centralized feeder automation, volt-time local recombination feeder automation, and quick-acting intelligent distributed feeder automation, was analyzed, and the formula for calculating load outage duration in the non-fault area in different modes was derived. Second, an elastic evaluation index system was established based on two levels of macro-results and micro-processes, and the influence of switchgear and different feeder automation modes on the resilient level of distribution network was evaluated in multiple dimensions. Finally, a case study was conducted based on the improved IEEE-33 node distribution network to verify the effectiveness of the proposed evaluation method.

Key words： distribution network; resilience assessment; switch; feeder automation; load loss

Cite this article

Zhi LI , Shaofeng YU , Jiasheng PENG , Youhang YANG , Xukang FANG , Yunfeng WEN . Method for Evaluating Distribution Network Resilience Considering Switchgear and Feeder Automation Modes[J]. Electric Power Construction, 2024 , 45(1) : 83 -91 . DOI: 10.12204/j.issn.1000-7229.2024.01.008

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