{"title":"New low loss quasi-parallel resonant DC-link inverter with lossless variable zero voltage duration","authors":"Kyung-Ahn Kwon, K.H. Kim, Yong-Chae Jung, M. Park","doi":"10.1109/IECON.1997.671777","DOIUrl":null,"url":null,"abstract":"A new low loss quasi-parallel resonant DC-link (NLQPRDCL) inverter which shows highly improved PWM capability, low loss characteristic and low voltage stress is presented. A method to minimize freewheeling interval, which is able to largely decrease DC-link operation losses and to steadily guarantee soft switching in the wide operation region is proposed. In addition, lossless control of zero voltage duration of the DC-link makes the proposed inverter maintain the advanced PWM capability even under a very low modulation index. Simulation and experiment are performed to verify the validity of the proposed inverter.","PeriodicalId":404447,"journal":{"name":"Proceedings of the IECON'97 23rd International Conference on Industrial Electronics, Control, and Instrumentation (Cat. No.97CH36066)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1997-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the IECON'97 23rd International Conference on Industrial Electronics, Control, and Instrumentation (Cat. No.97CH36066)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IECON.1997.671777","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
A new low loss quasi-parallel resonant DC-link (NLQPRDCL) inverter which shows highly improved PWM capability, low loss characteristic and low voltage stress is presented. A method to minimize freewheeling interval, which is able to largely decrease DC-link operation losses and to steadily guarantee soft switching in the wide operation region is proposed. In addition, lossless control of zero voltage duration of the DC-link makes the proposed inverter maintain the advanced PWM capability even under a very low modulation index. Simulation and experiment are performed to verify the validity of the proposed inverter.
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