{"title":"Capacitor-switching based method of network harmonic impedance measurement via TLS-ESPRIT algorithm","authors":"Wu Nan, Z. Xiaoming","doi":"10.1109/ITOEC.2017.8122503","DOIUrl":null,"url":null,"abstract":"Capacitor-switching operation can be used to measure network harmonic impedance. Via the transient components of voltage and current after capacitor switching, the harmonic impedance of PCC (Point of Common Coupling) can be calculated. To improve measurement accuracy, the TLS-ESPRIT algorithm is introduced in this paper to filter out noise and fundamental components in voltage and current signals. Via time domain simulations, the advantages of the proposed method in the ability of noise interference resistance and measurement accuracy, are verified compared with the Prony algorithm based method.","PeriodicalId":214296,"journal":{"name":"2017 IEEE 3rd Information Technology and Mechatronics Engineering Conference (ITOEC)","volume":"189 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 IEEE 3rd Information Technology and Mechatronics Engineering Conference (ITOEC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ITOEC.2017.8122503","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
Capacitor-switching operation can be used to measure network harmonic impedance. Via the transient components of voltage and current after capacitor switching, the harmonic impedance of PCC (Point of Common Coupling) can be calculated. To improve measurement accuracy, the TLS-ESPRIT algorithm is introduced in this paper to filter out noise and fundamental components in voltage and current signals. Via time domain simulations, the advantages of the proposed method in the ability of noise interference resistance and measurement accuracy, are verified compared with the Prony algorithm based method.
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