{"title":"Power loss analysis for single phase grid-connected PV inverters","authors":"C. Nge, O. Midtgård, L. Norum, T. O. Saetre","doi":"10.1109/INTLEC.2009.5352038","DOIUrl":null,"url":null,"abstract":"This paper presents a method for power loss analysis applied on single-phase grid-connected PV inverter. The often neglected current ripple effects are included in power device switching and conduction losses. The relationships amongst component losses, output inductance, switching frequency and dc-link voltage are investigated. It is shown that current ripple effect is important to power loss analysis due to varying irradiation. The closed form solutions of component losses are proposed and verified with SPICE simulation results.","PeriodicalId":445164,"journal":{"name":"INTELEC 2009 - 31st International Telecommunications Energy Conference","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2009-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"14","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"INTELEC 2009 - 31st International Telecommunications Energy Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/INTLEC.2009.5352038","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 14
Abstract
This paper presents a method for power loss analysis applied on single-phase grid-connected PV inverter. The often neglected current ripple effects are included in power device switching and conduction losses. The relationships amongst component losses, output inductance, switching frequency and dc-link voltage are investigated. It is shown that current ripple effect is important to power loss analysis due to varying irradiation. The closed form solutions of component losses are proposed and verified with SPICE simulation results.
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