{"title":"Power Harmonic Wave Analysis Using SPWVD","authors":"Ying Lu, Jing Zhang","doi":"10.1109/PHM-Yantai55411.2022.9941757","DOIUrl":null,"url":null,"abstract":"Power grid stochastic disturbance is very harmful for Power Quality. The paper proposed a Winger-Ville time- frequency distribution (SPWVD) to analyze power grid harmonic wave based on time domain wave, FFT and time-frequency distribution diagram, the short-term power quality can be monitored in real time. In terms of showing voltage frequency mutation, voltage sags, Voltage surge and power outage, the effectiveness and precision of the harmonic interference and the distribution of harmonic energy are demonstrated.","PeriodicalId":315994,"journal":{"name":"2022 Global Reliability and Prognostics and Health Management (PHM-Yantai)","volume":"776 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 Global Reliability and Prognostics and Health Management (PHM-Yantai)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PHM-Yantai55411.2022.9941757","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Power grid stochastic disturbance is very harmful for Power Quality. The paper proposed a Winger-Ville time- frequency distribution (SPWVD) to analyze power grid harmonic wave based on time domain wave, FFT and time-frequency distribution diagram, the short-term power quality can be monitored in real time. In terms of showing voltage frequency mutation, voltage sags, Voltage surge and power outage, the effectiveness and precision of the harmonic interference and the distribution of harmonic energy are demonstrated.
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