配电网同步相量测量技术与应用综述

doi:10.12204/j.issn.1000-7229.2023.05.002

电力建设 ›› 2023, Vol. 44 ›› Issue (5): 13-22.doi: 10.12204/j.issn.1000-7229.2023.05.002

配电网同步相量测量技术与应用综述

魏新迟¹, 秦龙宇²(), 方陈¹, 石访²(), 柳劲松¹, 刘舒¹

1.国网上海市电力公司电力科学研究院上海市 200233
2.电网智能化调度与控制教育部重点实验室(山东大学) 济南市 250061

收稿日期:2022-06-29 出版日期:2023-05-01 发布日期:2023-04-27
通讯作者: 石访(1982),男,博士,副教授,研究方向为电力系统同步测量技术与应用,E-mail: shifang@sdu.edu.cn。
作者简介:魏新迟(1989),女,博士,研究方向为同步相量测量技术、新能源发电及并网技术、储能技术;
秦龙宇(1995),男,硕士研究生,研究方向为配电网故障诊断与定位,E-mail: longyuqin1995@163.com;
方陈(1983),男,博士,高级工程师,研究方向为同步相量测量技术、储能及电动汽车技术;
柳劲松(1971),男,博士,正高级工程师,研究方向为智能配电网技术;
刘舒(1987),女,硕士,高级工程师,研究方向为智能配电网技术。
基金资助:
国家重点研发计划项目资助(2017YFB0902800);国家自然科学基金(52107109)

Review of the Synchronous Measurement Technology and Its Application in Distribution Networks

WEI Xinchi¹, QIN Longyu²(), FANG Chen¹, SHI Fang²(), LIU Jinsong¹, LIU Shu¹

1. Electric Power Research Institute of State Grid Shanghai Municipal Electric Power Company, Shanghai 200233,China
2. Key Laboratory of Power System Intelligent Dispatch and Control, Ministry of Education (Shandong University), Jinan 250061, China

Received:2022-06-29 Online:2023-05-01 Published:2023-04-27
Supported by:
National Key Research and Development Program of China(2017YFB0902800);National Natural Science Foundation of China(52107109)

摘要/Abstract

摘要：

随着分布式清洁能源和柔性负荷渗透率不断提高,配电网的电力电子化趋势明显增强,动态过程也更加频繁、复杂,系统状态可观与协调控制愈加重要,亟需同步相量测量技术以提供高频、精确的数据支撑。首先综述了配电网同步相量测量技术的发展现状和应用情况,进而从装置功能及系统架构方面归纳了配电网同步相量测量技术的特点,并总结了近来我国在运行状态估计、故障诊断及精确定位以及源网荷协调控制等方面的典型应用,最后讨论了配电网同步相量测量标准化需求和技术发展趋势。

关键词: 同步相量测量, 智能配电网, 状态估计, 故障诊断与定位

Abstract:

The use of power electronics in distribution networks has significantly increased owing to the increase in the use of distributed clean energy and flexible loads. Moreover, the use of dynamic processes in distribution networks has become more frequent and complex, and the state observability and coordinated control of the system has become increasingly important. Therefore, high-frequency and accurate data on distribution networks should be obtained using synchronous phase measurement technology. In this paper, the development status and application of synchronous phase measurement technology in distribution networks is reviewed, and the features of synchronous phase measurement technology in distribution networks are concluded considering the device function and system architecture. Furthermore, the typical applications of synchronous phasor measurement technology in state estimation, fault diagnosis and location, and coordinated control in China are summarized. Finally, the development trend and standardization requirements of synchronous phasor measurement technology for distribution networks are discussed.

Key words: synchronous phasor measurement, smart distribution network, state estimation, fault diagnosis and location

中图分类号:

TM713

魏新迟, 秦龙宇, 方陈, 石访, 柳劲松, 刘舒. 配电网同步相量测量技术与应用综述[J]. 电力建设, 2023, 44(5): 13-22.

WEI Xinchi, QIN Longyu, FANG Chen, SHI Fang, LIU Jinsong, LIU Shu. Review of the Synchronous Measurement Technology and Its Application in Distribution Networks[J]. ELECTRIC POWER CONSTRUCTION, 2023, 44(5): 13-22.

图/表 6

表1 配电网同步测量技术应用情况及面临挑战

Table 1 Application of synchronous measurement technology and the challenges in distribution networks

表2 配电网PMU与输电网PMU技术特点对比

Table 2 Comparison of technical characteristics between distribution level and transmission level PMUs

图1 配电网同步测量系统典型架构图

Fig.1 Typical architecture of synchronous measurement system for distribution network

图2 PMU配置下状态估计误差的概率分布

Fig.2 Probability of state estimation errors with PMUs

图3 同步定频微电网控制策略

Fig.3 Control strategy for synchronous fixed-frequency microgrid

图4 配电网同步测量技术国际标准总体布局

Fig.4 International standards for synchronous measurement technology in distribution networks

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配电网同步相量测量技术与应用综述

Review of the Synchronous Measurement Technology and Its Application in Distribution Networks

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