{"title":"直流系统纹波消除器的分析与控制","authors":"Xin Cao, Qing-Chang Zhong, Wen-Long Ming","doi":"10.1109/GREENTECH.2014.23","DOIUrl":null,"url":null,"abstract":"Bulky capacitors are often needed in DC systems to smooth voltage ripples, which reduces the power density and system reliability considerably. In this paper, a Ripple Eliminator (RE) that is a bidirectional buck-boost converter terminated with an auxiliary capacitor is proposed to reduce voltage ripples after connecting it to the DC bus. A controller is proposed to transfer the voltage ripples on the DC bus to the auxiliary capacitor, of which the voltage can be controlled either lower or higher than the DC-bus voltage. Three control strategies are proposed for this purpose and simulation results are presented to verify the control performance.","PeriodicalId":194092,"journal":{"name":"2014 Sixth Annual IEEE Green Technologies Conference","volume":"167 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2014-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"Analysis and Control of Ripple Eliminators in DC Systems\",\"authors\":\"Xin Cao, Qing-Chang Zhong, Wen-Long Ming\",\"doi\":\"10.1109/GREENTECH.2014.23\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Bulky capacitors are often needed in DC systems to smooth voltage ripples, which reduces the power density and system reliability considerably. In this paper, a Ripple Eliminator (RE) that is a bidirectional buck-boost converter terminated with an auxiliary capacitor is proposed to reduce voltage ripples after connecting it to the DC bus. A controller is proposed to transfer the voltage ripples on the DC bus to the auxiliary capacitor, of which the voltage can be controlled either lower or higher than the DC-bus voltage. Three control strategies are proposed for this purpose and simulation results are presented to verify the control performance.\",\"PeriodicalId\":194092,\"journal\":{\"name\":\"2014 Sixth Annual IEEE Green Technologies Conference\",\"volume\":\"167 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2014-04-03\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2014 Sixth Annual IEEE Green Technologies Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/GREENTECH.2014.23\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2014 Sixth Annual IEEE Green Technologies Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/GREENTECH.2014.23","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Analysis and Control of Ripple Eliminators in DC Systems
Bulky capacitors are often needed in DC systems to smooth voltage ripples, which reduces the power density and system reliability considerably. In this paper, a Ripple Eliminator (RE) that is a bidirectional buck-boost converter terminated with an auxiliary capacitor is proposed to reduce voltage ripples after connecting it to the DC bus. A controller is proposed to transfer the voltage ripples on the DC bus to the auxiliary capacitor, of which the voltage can be controlled either lower or higher than the DC-bus voltage. Three control strategies are proposed for this purpose and simulation results are presented to verify the control performance.
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