1. 上海交通大学 电力传输与功率变换控制教育部重点实验室， 上海 200240；2. 国网上海市电力公司， 上海市 200122
作者简介:严正（1964-），男，江西省上犹县人，教授，研究方向为电力系统优化运行、电力系统稳定性分析及电力市场. 电话（Tel.）：021-34204603；E-mail: yanz@sjtu.edu.cn.基金资助:国家重点研发计划(2017YFB0902800)资助项目Applications of Micro Synchronous Phasor Measurement Units in State Estimation of Smart Distribution Network
YAN Zheng,KONG Xiangrui,XU Xiaoyuan,XIE Wei1. Key Laboratory of Control of Power Transmission and Conversion of Ministry of Education, Shanghai Jiao Tong University, Shanghai 200240, China;2. State Grid Shanghai Municipal Electric Power Company, Shanghai 200122, China
摘要/Abstract
摘要： 由于能源和环境的双重约束，我国将在分布式电源、电动汽车充换电设施和需求响应资源方面大力发展.首先，阐述智能配电网将呈现新的形态：间歇性和不确定性的分布式发电不断增多；配电网的运行方式多变，电力电子化明显；负荷呈现出多元化和互动性，常规的配电网量测装置与状态估计方法难以对动态特性进行准确刻画.其次，论述同步相量测量单元(PMU)功能及其在配电网状态估计中应用的必要性，并系统梳理微型同步相量测量单元和配电网状态估计技术的国内外研究现状.最后，对PMU量测特性对智能配电网状态估计性能的提升进行全面评述，针对具体关键技术提出了未来研究方向.
关键词: 智能配电网, 微型同步相量测量单元, 状态估计, 实时监测
Abstract: Due to the dual constraints of energy and the environment, China will vigorously develop distributed power supplies, electric vehicle replacement facilities and demand response resources. First, the smart distribution network will be presented in a new form: distributed and indefinite distributed generation is increasing; the operation mode of the distribution network is changing, the power electronics are obvious; the load is diversified and interactive. It is difficult for conventional distribution network measuring devices and state estimation methods to accurately characterize dynamic characteristics. Then the functions of the synchronous phasor measurement unit (PMU) and the necessity of the application in the distribution network are discussed. The domestic and foreign research of the miniature synchronized phasor measurement unit and the distribution network state estimation technology is systematically reviewed. Finally, the PMU measurement characteristics are introduced and analyzed comprehensively to improve the performance of smart distribution network state estimation.
Key words: smart distribution network, micro synchronous phasor measurement unit, state estimation, real-time monitoring
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