{"title":"基于三相变换器和FPGA公差带控制器的高频网格阻抗分析","authors":"A. Knop, F. Fuchs","doi":"10.1109/CPE.2009.5156048","DOIUrl":null,"url":null,"abstract":"The electrical grid features show a frequency dependent impedance. To know their value in the frequency range between grid fundamental frequency and up to frequency's in the kHz-range is very useful. It contributes to optimize energy feed in as well as from decentralized converter equipped renewable sources. This paper presents an advanced frequency dependent impedance measurement system for the energized grid with a high frequency range. For these grid impedance measurements a fast switching three-phase high frequency converter with a fast and robust control is required. Control is carried out by a FPGA based tolerance band or hysteresis control. The power circuit for high frequency (up to 10 kHz) measuring current is presented and measurements are shown and analyzed.","PeriodicalId":272748,"journal":{"name":"2009 Compatibility and Power Electronics","volume":"27 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"18","resultStr":"{\"title\":\"High frequency grid impedance analysis with three-phase converter and FPGA based tolerance band controller\",\"authors\":\"A. Knop, F. Fuchs\",\"doi\":\"10.1109/CPE.2009.5156048\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The electrical grid features show a frequency dependent impedance. To know their value in the frequency range between grid fundamental frequency and up to frequency's in the kHz-range is very useful. It contributes to optimize energy feed in as well as from decentralized converter equipped renewable sources. This paper presents an advanced frequency dependent impedance measurement system for the energized grid with a high frequency range. For these grid impedance measurements a fast switching three-phase high frequency converter with a fast and robust control is required. Control is carried out by a FPGA based tolerance band or hysteresis control. The power circuit for high frequency (up to 10 kHz) measuring current is presented and measurements are shown and analyzed.\",\"PeriodicalId\":272748,\"journal\":{\"name\":\"2009 Compatibility and Power Electronics\",\"volume\":\"27 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2009-05-20\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"18\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2009 Compatibility and Power Electronics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/CPE.2009.5156048\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 Compatibility and Power Electronics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CPE.2009.5156048","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
High frequency grid impedance analysis with three-phase converter and FPGA based tolerance band controller
The electrical grid features show a frequency dependent impedance. To know their value in the frequency range between grid fundamental frequency and up to frequency's in the kHz-range is very useful. It contributes to optimize energy feed in as well as from decentralized converter equipped renewable sources. This paper presents an advanced frequency dependent impedance measurement system for the energized grid with a high frequency range. For these grid impedance measurements a fast switching three-phase high frequency converter with a fast and robust control is required. Control is carried out by a FPGA based tolerance band or hysteresis control. The power circuit for high frequency (up to 10 kHz) measuring current is presented and measurements are shown and analyzed.
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