Suzhou Electric Appliance Research Institute
期刊號: CN32-1800/TM| ISSN1007-3175

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電力系統(tǒng)諧波狀態(tài)估計算法綜述

來源:電工電氣發(fā)布時間:2019-09-19 10:19 瀏覽次數(shù):637
電力系統(tǒng)諧波狀態(tài)估計算法綜述
 
俞明1,呂干云1,魏鵬1,蔣小偉2
(1 南京工程學院 電力工程學院,江蘇 南京 211167;2 國網(wǎng)浙江省電力有限公司檢修分公司,浙江 杭州 311200)
 
    摘 要:諧波狀態(tài)估計是根據(jù)有限節(jié)點上的諧波測量估算出未知節(jié)點及整個系統(tǒng)的諧波狀況,對于電力系統(tǒng)諧波監(jiān)測和治理具有重要意義。介紹了諧波狀態(tài)估計技術的概念、數(shù)學模型和估計算法,重點根據(jù)諧波阻抗是否已知,對主要的估計算法進行分類與評述,并對諧波狀態(tài)估計今后的研究方向進行了展望。
    關鍵詞:電力系統(tǒng);諧波;狀態(tài)估計;諧波阻抗
    中圖分類號:TM712     文獻標識碼:A     文章編號: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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