Lei Chen, Wei Zhao, Yiqing Yu, Qing Wang, Songling Huang
{"title":"Improved interpolated dynamic DFT synchrophasor estimator considering second harmonic interferences","authors":"Lei Chen, Wei Zhao, Yiqing Yu, Qing Wang, Songling Huang","doi":"10.1109/I2MTC.2018.8409744","DOIUrl":null,"url":null,"abstract":"The interpolated dynamic DFT (IpD2FT) is one of the most accurate dynamic synchrophasor estimation methods. But it suffers from infiltration from the second harmonic component. In this paper, the estimation errors of the IpD2FT caused by second harmonic interferences are firstly analyzed. Based on this, an improved interpolated dynamic DFT (IIpD2 FT) synchrophasor estimator that considers second harmonic interferences are proposed. Multiple simulation tests show that, even under large second harmonic interference conditions, the IIpD2FT is much more accurate than the IpD2FT.","PeriodicalId":393766,"journal":{"name":"2018 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/I2MTC.2018.8409744","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 6
Abstract
The interpolated dynamic DFT (IpD2FT) is one of the most accurate dynamic synchrophasor estimation methods. But it suffers from infiltration from the second harmonic component. In this paper, the estimation errors of the IpD2FT caused by second harmonic interferences are firstly analyzed. Based on this, an improved interpolated dynamic DFT (IIpD2 FT) synchrophasor estimator that considers second harmonic interferences are proposed. Multiple simulation tests show that, even under large second harmonic interference conditions, the IIpD2FT is much more accurate than the IpD2FT.
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