{"title":"A Voltage Overshoot Design Method for DC-DC Converter Based on State Overshoot Concept","authors":"Hong Li, Qiancan Liu, Zhipeng Zhang, Xiaheng Jiang, Guoen Cao, Yajing Zhang","doi":"10.1109/IECON48115.2021.9589588","DOIUrl":null,"url":null,"abstract":"Overshoot is a key dynamic index of DC-DC converters. Excessive overshoot is harmful to DC converters, which could break down switch devices, threaten the safe operation of the system. In this paper, a voltage overshoot design method for DC-DC converters based on state overshoot concept is firstly proposed to obtain the accurate voltage overshoot in the theoretical design stage by reasonably designing the PI parameters. Next, taking buck converter, boost converter and two-stage cascaded buck converter as examples, the ranges of PI parameters by considering the set voltage overshoot are designed theoretically. Finally, the time-domain waveforms from the simulation and experiment of the above three DC-DC converters are provided to show the correctness and the applicability of the proposed method in real engineering. This method provides an accurate and practical design method of voltage overshoot for DC-DC converters.","PeriodicalId":443337,"journal":{"name":"IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society","volume":"66 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IECON48115.2021.9589588","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
Overshoot is a key dynamic index of DC-DC converters. Excessive overshoot is harmful to DC converters, which could break down switch devices, threaten the safe operation of the system. In this paper, a voltage overshoot design method for DC-DC converters based on state overshoot concept is firstly proposed to obtain the accurate voltage overshoot in the theoretical design stage by reasonably designing the PI parameters. Next, taking buck converter, boost converter and two-stage cascaded buck converter as examples, the ranges of PI parameters by considering the set voltage overshoot are designed theoretically. Finally, the time-domain waveforms from the simulation and experiment of the above three DC-DC converters are provided to show the correctness and the applicability of the proposed method in real engineering. This method provides an accurate and practical design method of voltage overshoot for DC-DC converters.
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