考虑开关设备和馈线自动化模式的配电网弹性评估方法

doi:10.12204/j.issn.1000-7229.2024.01.008

电力建设 ›› 2024, Vol. 45 ›› Issue (1): 83-91.doi: 10.12204/j.issn.1000-7229.2024.01.008

• 新型电力系统韧性基础理论与关键技术·栏目主持许寅教授、时珊珊高工、魏韡副教授· • 上一篇下一篇

考虑开关设备和馈线自动化模式的配电网弹性评估方法

李志¹, 余绍峰¹, 彭佳盛²(), 杨游航², 方徐康², 文云峰²

1.浙江华电器材检测研究院有限公司,杭州市 310000
2.湖南大学电气与信息工程学院,长沙市 410000

收稿日期:2023-01-18 出版日期:2024-01-01 发布日期:2023-12-24
通讯作者: 彭佳盛(1999),男,硕士研究生,主要研究方向为配电网弹性评估与提升,E-mail:jspeng0822@hnu.edu.cn。
作者简介:李志(1992),男,硕士,工程师,主要研究方向为配网设备检测及智能配电网技术;
余绍峰(1978),男,博士,高级工程师,主要研究方向为配网信息化、智能化;
杨游航(1998),男,硕士研究生,主要研究方向为新能源并网运行与控制;
方徐康(1999),男,硕士研究生,主要研究方向为配电网分布式优化控制;
文云峰(1986),男,博士,教授,主要研究方向为低惯量电力系统规划、运行与控制。
基金资助:
国家自然科学基金项目(52077066);国网浙江省电力有限公司科技项目(2022FD02)

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

LI Zhi¹, YU Shaofeng¹, PENG Jiasheng²(), YANG Youhang², FANG Xukang², WEN Yunfeng²

1. Zhejiang Huadian Equipment Testing Institute Co., Ltd., Hangzhou 310000, China
2. College of Electrical and Information Engineering, Hunan University, Changsha 410000, China

Received:2023-01-18 Published:2024-01-01 Online: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)

摘要/Abstract

摘要：

为定量分析开关设备和不同馈线自动化模式对配电网弹性水平的影响,提出了一种考虑开关设备和馈线自动化模式的配电网弹性评估方法。首先,构建分块-断路器关联矩阵确定故障情况下开关设备动作状态,分析集中型馈线自动化、电压时间型就地重合式馈线自动化、速动型智能分布式馈线自动化3种馈线自动化模式的动作逻辑过程,得到不同模式下非故障区域负荷停电时长计算式;其次,从宏观结果和微观过程2个层面构建弹性评估指标体系,对开关设备和不同馈线自动化模式对配电网弹性水平的影响进行多维度评估;最后,基于改进的IEEE-33节点配电网开展算例分析,验证了所提评估方法的有效性。

关键词: 配电网, 弹性评估, 开关, 馈线自动化, 失负荷

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

中图分类号:

TM72

李志, 余绍峰, 彭佳盛, 杨游航, 方徐康, 文云峰. 考虑开关设备和馈线自动化模式的配电网弹性评估方法[J]. 电力建设, 2024, 45(1): 83-91.

LI Zhi, YU Shaofeng, PENG Jiasheng, YANG Youhang, FANG Xukang, WEN Yunfeng. Method for Evaluating Distribution Network Resilience Considering Switchgear and Feeder Automation Modes[J]. ELECTRIC POWER CONSTRUCTION, 2024, 45(1): 83-91.

图/表 9

图1 简单配电系统分块示意图

Fig.1 Block diagram of simple power distribution system

表1 馈线自动化模式对比

Table 1 Feeder automation scheme comparison

图2 线路接线结构

Fig.2 Line connection structure

图3 考虑开关设备和馈线自动化模式的配电网弹性评估流程

Fig.3 Flow chart of resilience evaluation considering switchgear and feeder automation modes

图4 改进的IEEE-33节点配电系统拓扑

Fig.4 Modified IEEE 33-bus distribution system topology

图5 算例系统分块图

Fig.5 Block diagram of the test system

图6 不同开关接入数量场景系统功能曲线

Fig.6 Functional curves in scenarios with different switches

表2 不同开关接入场景弹性指标计算结果

Table 2 Results of resilience index in scenarios with different switches

表3 不同馈线自动化模式弹性指标计算结果

Table 3 Results of resilience index of different feeder automation modes

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考虑开关设备和馈线自动化模式的配电网弹性评估方法

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

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