Journal of Shanghai Jiao Tong University

Journal of Shanghai Jiaotong University >

2024 , Vol. 58 >Issue 9: 1381 - 1389

DOI: https://doi.org/10.16183/j.cnki.jsjtu.2023.129

New Type Power System and the Integrated Energy

Switching Modeling and Application in Fault Diagnosis Algorithm Testing of Distribution Network

  • XUE Guiting ,
  • LIU Zhe ,
  • HAN Zhaoru ,
  • SHI Fang ,
  • WANG Ti ,
  • WANG Xiao
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  • 1. State Grid Beijing Haidian Electric Power Supply Company, Beijing 100195, China
    2. School of Electrical Engineering, Shandong University, Jinan 250061, China

Received date: 2023-04-13

  Revised date: 2023-06-05

  Accepted date: 2023-06-29

  Online published: 2023-09-22

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Abstract

Fault diagnosis in power distribution networks is crucial for fault location, enhancement of fault processing efficiency, and reduction of power outage losses. Currently, the impact of switch operations and other interferences is seldomly considered in fault diagnosis algorithm designing and testing, which may lead to frequent mal-function and poor performance in practical applications. In this paper, a detailed analysis and modeling of the transient process of switch operation in distribution networks is proposed with the combination of the Mayr and the Helmer models. The transient waveform of the on-site operation process is compared and analyzed with the simulation waveforms generated in PSCAD. Based on the accuracy verification of the model, typical fault scenarios in distribution networks, including switch operation processes, are constructed for fault diagnosis algorithm tests. Compared to the traditional model, the model proposed can simulate and generate disturbance data close to the on-site switch operation process for reliability testing of fault diagnosis algorithms. Finally, several suggestions for optimizing the fault diagnosis algorithm and testing process are proposed through result analysis.

Key words： distribution network; switching; arcing model; fault diagnosis

Cite this article

XUE Guiting , LIU Zhe , HAN Zhaoru , SHI Fang , WANG Ti , WANG Xiao . Switching Modeling and Application in Fault Diagnosis Algorithm Testing of Distribution Network[J]. Journal of Shanghai Jiaotong University, 2024 , 58(9) : 1381 -1389 . DOI: 10.16183/j.cnki.jsjtu.2023.129

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