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期刊号: CN32-1800/TM| ISSN1007-3175

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电力系统谐波状态估计算法综述

来源:电工电气发布时间:2019-09-19 10:19 浏览次数:518
电力系统谐波状态估计算法综述
 
俞明1,吕干云1,魏鹏1,蒋小伟2
(1 南京工程学院 电力工程学院,江苏 南京 211167;2 国网浙江省电力有限公司检修分公司,浙江 杭州 311200)
 
    摘 要:谐波状态估计是根据有限节点上的谐波测量估算出未知节点及整个系统的谐波状况,对于电力系统谐波监测和治理具有重要意义。介绍了谐波状态估计技术的概念、数学模型和估计算法,重点根据谐波阻抗是否已知,对主要的估计算法进行分类与评述,并对谐波状态估计今后的研究方向进行了展望。
    关键词:电力系统;谐波;状态估计;谐波阻抗
    中图分类号:TM712     文献标识码:A     文章编号:1007-3175(2019)09-0001-06
 
Review on Harmonic State Estimation Algorithm of Power System
 
YU Ming1, LYU Gan-yun1, WEI Peng1, JIANG Xiao-wei2
(1 School of Electric Power Engineering, Nanjing Institute of Technology, Nanjing 2111 67, China;
2 Inspection Branch of State Grid Zhejiang Electric Power Co., Ltd, Hangzhou 311 200, China)
 
    Abstract: Harmonic state estimation is based on the harmonic measurements of the finite node to estimate the harmonic state of the unknown node and the whole system, which is of great significance for the harmonic monitoring and control of the power system. Introduction was made to the concept, mathematical model and estimation algorithm of harmonic state estimation. The main estimation algorithms were classified and reviewed emphatically based on whether the harmonic impedance was known. The future research on harmonic state estimation is summarized and forecasted.
    Key words: power system; harmonic; state estimation; harmonic impedance
 
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