{"title":"Comparison of conducted RFI emission from different unity power factor AC/DC converters","authors":"J. Mahdavi, M. Tabandeh, A. Shahriari","doi":"10.1109/PESC.1996.548852","DOIUrl":null,"url":null,"abstract":"Low frequency harmonics injection into AC power supply and small power factor are the main disadvantages of conventional AC/DC converters. By using current mode control, the converter can be designed such that its input current have a sinusoidal form and in phase with the power supply voltage. By solving the problem of power factor with high frequency switching current mode control, another problem arises; that of high frequency harmonics generated in radiofrequency (RF) range by the power converter. In this paper, an AC/DC power converter with fixed topology (diode bridge+boost converter) is used and various current control methods are applied to it. After simulating the converter behavior and also using the simulation of a standard network; \"line impedance stabilization network\", (LISN), placed between the AC power supply and the converter, the conducted RF noise is computed. Finally, laboratory experimental results were compared with simulation results.","PeriodicalId":19979,"journal":{"name":"PESC Record. 27th Annual IEEE Power Electronics Specialists Conference","volume":"8 1","pages":"1979-1985 vol.2"},"PeriodicalIF":0.0000,"publicationDate":"1996-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"22","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"PESC Record. 27th Annual IEEE Power Electronics Specialists Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PESC.1996.548852","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 22
Abstract
Low frequency harmonics injection into AC power supply and small power factor are the main disadvantages of conventional AC/DC converters. By using current mode control, the converter can be designed such that its input current have a sinusoidal form and in phase with the power supply voltage. By solving the problem of power factor with high frequency switching current mode control, another problem arises; that of high frequency harmonics generated in radiofrequency (RF) range by the power converter. In this paper, an AC/DC power converter with fixed topology (diode bridge+boost converter) is used and various current control methods are applied to it. After simulating the converter behavior and also using the simulation of a standard network; "line impedance stabilization network", (LISN), placed between the AC power supply and the converter, the conducted RF noise is computed. Finally, laboratory experimental results were compared with simulation results.
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