{"title":"Research on Frequency Tracking Capacitive PWM of Induction Heating Power Supply","authors":"Q. Xiao, Jie Zhao, Mingfa Wang","doi":"10.1109/CESCE.2010.210","DOIUrl":null,"url":null,"abstract":"The principle of capacitive PWM control circuit was analyzed in this paper, the soft-switching solution was applied in the switching devices, and the practical main circuit topology was given. On the load current to achieve a frequency tracking, To make the power factor of the inverter close to or equal to a quasi-resonant state, the Frequency of the load current was tracked. The phase compensation and start-up of the circuit were analyzed also. The application of the capacitive PWM control in the induction heating power supply composed with series IGBT inverter was correctly verified by the test.","PeriodicalId":6371,"journal":{"name":"2010 International Conference on Challenges in Environmental Science and Computer Engineering","volume":"112 1","pages":"377-380"},"PeriodicalIF":0.0000,"publicationDate":"2010-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2010 International Conference on Challenges in Environmental Science and Computer Engineering","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CESCE.2010.210","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
Abstract
The principle of capacitive PWM control circuit was analyzed in this paper, the soft-switching solution was applied in the switching devices, and the practical main circuit topology was given. On the load current to achieve a frequency tracking, To make the power factor of the inverter close to or equal to a quasi-resonant state, the Frequency of the load current was tracked. The phase compensation and start-up of the circuit were analyzed also. The application of the capacitive PWM control in the induction heating power supply composed with series IGBT inverter was correctly verified by the test.
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