基于多故障场景的配电网分布式保护自愈系统广域协同测试方法研究

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摘要随着新型电力系统建设推进,配电网分布式保护自愈系统成为提升供电可靠性的核心手段。然而,针对配电网分布式馈线自动化动作逻辑的现场测试存在较大的困难,其多测试终端协同性能在复杂故障场景下的测试面临同步精度不足、现场停电困难、测试效率低等挑战。本文提出一种广域协同测试方法,并构建实时闭环的高保全测试平台。基于高精度同步触发技术和云边协同测试技术,构建ms级同步激励的多终端并行测试平台,实现电气信号与分布式馈线自动化智能终端控制信号的同步和交互,从而能够逼真地模拟分布式馈线自动化系统的故障形态和逻辑处理功能,进行配电网分布式保护自愈系统的多维度效能评估。10 kV配电网实证表明,该方法支持多种典型拓扑结构的故障场景测试,大大提高了工作效率,可为系统工程化应用提供关键技术支撑。

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	李东升
	刘腾飞
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关键词 ：配电网, 分布式保护自愈系统, 广域协同测试, 多故障场景, 实证

Abstract：With the advancement of the construction of new-type power systems, the distributed protection and self-healing system has become a core measure to improve the power supply reliability of distribution networks. However, great difficulties exist in the field testing of the action logic of distributed feeder automation for distribution networks, and the testing of the cooperative performance of multiple testing terminals under complex fault scenarios is confronted with such challenges as insufficient synchronization accuracy, difficulties in on-site power outage and low testing efficiency. In this paper, a wide-area cooperative testing method is proposed, and a high-integrity real-time closed- loop testing platform is constructed. Based on high-precision synchronous triggering technology and cloud-edge collaborative testing technology, the platform builds a multi-terminal parallel testing system with millisecond-level synchronous excitation, which realizes the synchronization and interaction between electrical signals and control signals of intelligent terminals for distributed feeder automation. Thus, it can realistically simulate the fault characteristics and logical processing functions of the distributed feeder automation system, and conduct a multi-dimensional performance evaluation of the distributed protection and self-healing system of distribution networks. Finally, empirical verification on a 10 kV distribution network shows that the proposed method supports the fault scenario testing of various typical topological structures and significantly improves the work efficiency, providing key technical support for the engineering application of the system.

Key words： distribution networks distributed protection and self-healing system wide-area cooperative testing multi-fault scenarios empirical verification

收稿日期: 2026-03-18

作者简介: 李东升（1984—）,男,河北省沧州市人,硕士,工程师,主要从事配电网方向测试研究工作。

引用本文:

李东升, 刘腾飞, 赵立宝. 基于多故障场景的配电网分布式保护自愈系统广域协同测试方法研究[J]. 电气技术, 2026, 27(9): 55-60. LI Dongsheng, LIU Tengfei, ZHAO Libao. Research on wide-area cooperative testing method for distributed protection and self-healing system of distribution network based on multi-fault scenarios. Electrical Engineering, 2026, 27(9): 55-60.

链接本文:

https://dqjs.cesmedia.cn/CN/Y2026/V27/I9/55

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