{"title":"DC-Link Auxiliary Circuit Implementation to Improve Transient Response of Grid Connected Power Converters","authors":"M. Mellincovsky, V. Yuhimenko, A. Kuperman","doi":"10.1109/ICSEE.2018.8646182","DOIUrl":null,"url":null,"abstract":"Auxiliary circuits are commonly used to decouple the pulsating power from DC-link in single phase power factor correctors (PFC). Those circuits consist on a bi-directional DC-DC converter, terminated by an auxiliary capacitor. Those auxiliary modules are commonly implemented to reduce the utilized capacitance. This, in conjunction with the power factor corrector slow response, results in a large voltage drop during heavy transient. In this paper the auxiliary converter is used to improve the system response during transients even when is compared to the original system response. A mathematical expression to calculate the capacitance needed to achieve the desire response is suggested. The analytical findings are fully supported by experimental and simulations results.","PeriodicalId":254455,"journal":{"name":"2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICSEE.2018.8646182","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
Auxiliary circuits are commonly used to decouple the pulsating power from DC-link in single phase power factor correctors (PFC). Those circuits consist on a bi-directional DC-DC converter, terminated by an auxiliary capacitor. Those auxiliary modules are commonly implemented to reduce the utilized capacitance. This, in conjunction with the power factor corrector slow response, results in a large voltage drop during heavy transient. In this paper the auxiliary converter is used to improve the system response during transients even when is compared to the original system response. A mathematical expression to calculate the capacitance needed to achieve the desire response is suggested. The analytical findings are fully supported by experimental and simulations results.
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