{"title":"Extracting formulas of line voltage THD for 7-level inverter with equal DC sources","authors":"H. Vadizadeh, N. Farokhnia, S. Fathi, D. Rabbani","doi":"10.1109/EPQU.2011.6128929","DOIUrl":null,"url":null,"abstract":"Multilevel Inverters inject lesser harmonics in comparison with common 3-level inverters. However, this amount is notable. THD is a proper index to evaluate the amount of harmonics. Line voltage THD of a 5-level inverter's stepped waveform has been formulated in literature. In this paper, the method of calculating the formulas is developed. So, the formulas of line voltage THD for a 7-level inverter are extracted. It is done to be used for analytical foundation of optimal switching angles as a future work.","PeriodicalId":369941,"journal":{"name":"11th International Conference on Electrical Power Quality and Utilisation","volume":"3 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"11th International Conference on Electrical Power Quality and Utilisation","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/EPQU.2011.6128929","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
Multilevel Inverters inject lesser harmonics in comparison with common 3-level inverters. However, this amount is notable. THD is a proper index to evaluate the amount of harmonics. Line voltage THD of a 5-level inverter's stepped waveform has been formulated in literature. In this paper, the method of calculating the formulas is developed. So, the formulas of line voltage THD for a 7-level inverter are extracted. It is done to be used for analytical foundation of optimal switching angles as a future work.
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