上海交通大学学报

上海交通大学学报 >

2026 , Vol. 60 >Issue 1: 42 - 50

DOI: https://doi.org/10.16183/j.cnki.jsjtu.2024.073

新型电力系统与综合能源

大量分布式电源接入的配电网自适应重合闸及故障恢复策略

  • 王若琪 ,
  • 胡炎 ,
  • 杨增力 ,
  • 王晶 ,
  • 吴迪 ,
  • 张振
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  • 1 上海交通大学 电子信息与电气工程学院, 上海 200240
    2 国网湖北省电力有限公司, 武汉 430077
王若琪(2000—),硕士生,从事电力系统保护与控制研究.
胡 炎,副研究员,博士生导师;E-mail:yanhu@sjtu.edu.cn.

收稿日期: 2024-03-11

  修回日期: 2024-04-19

  录用日期: 2024-08-30

  网络出版日期: 2024-10-09

基金资助

国网湖北省电力有限公司科技项目(52150522000W)

收起

Adaptive Reclosing and Fault Recovery Strategies for Large Scale Distributed Generation Access in Distribution Networks

  • WANG Ruoqi ,
  • HU Yan ,
  • YANG Zengli ,
  • WANG Jing ,
  • WU Di ,
  • ZHANG Zhen
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  • 1 School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
    2 State Grid Hubei Electric Power Co., Ltd., Wuhan 430077, China

Received date: 2024-03-11

  Revised date: 2024-04-19

  Accepted date: 2024-08-30

  Online published: 2024-10-09

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摘要

高渗透率分布式电源接入电网对配电网故障场景下的供电恢复提出更高要求,研究配电网故障恢复可以提高配电系统的可靠性和稳定性.为了提升配电网的恢复能力,提出结合重合闸技术与分布式电源低电压穿越特性的故障恢复方案.运用时域分析方法,探讨快速恢复供电的关键措施,结合柔性软开关实现故障场景下的负荷转供与电压支撑,从而减少分布式电源的脱网率.具体方法包括针对故障位置两侧设计不同的配电网故障恢复策略,并在MATLAB/Simulink平台上搭建仿真模型进行验证.仿真结果表明:所提方案能够有效降低分布式电源脱网风险,提升系统的供电可靠性与新能源利用效率.

关键词： 分布式电源; 配电网故障恢复; 低电压穿越; 柔性软开关

本文引用格式

王若琪 , 胡炎 , 杨增力 , 王晶 , 吴迪 , 张振 . 大量分布式电源接入的配电网自适应重合闸及故障恢复策略[J]. 上海交通大学学报, 2026 , 60(1) : 42 -50 . DOI: 10.16183/j.cnki.jsjtu.2024.073

Abstract

High penetration distributed generation (DG) in power grids has placed greater demands on power supply recovery in distribution network fault scenarios. Research on fault recovery in distribution networks is essential for improving the reliability and stability of distribution systems. In order to enhance the recovery capability of the distribution network, this paper proposes a fault recovery scheme which combines reclosing technology with the low-voltage ride through (LVRT) characteristics of distributed power sources. As an important method for quickly restoring power supply, adaptive reclosing, when coordinated with the LVRT capability of DG in the time domain, can effectively reduce the disconnection rate of DG from the grid. In fault scenarios, flexible soft switches play an important role in load transfer and voltage support, which not only ensures continuous power supply to users but also enhances the utilization efficiency of renewable energy sources and reduces their disconnection rate. This paper proposes different fault recovery schemes for both sides of the fault location in the distribution network, and finally proves the effectiveness and feasibility of the proposed fault recovery scheme by developing a simulation model on the MATLAB/Simulink simulation platform.

Key words： distributed generation (DG); distribution network fault recovery; low-voltage ride through (LVRT); soft open point (SOP)

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