V. Oleschuk, M. Tirsu, Victor Galbura, I. Vasiliev
{"title":"Transformer-Based PV System with Modified Techniques of PWM of Diode-Clamped Inverters","authors":"V. Oleschuk, M. Tirsu, Victor Galbura, I. Vasiliev","doi":"10.1109/DAS49615.2020.9108967","DOIUrl":null,"url":null,"abstract":"Specialized control scheme and techniques of space-vector modulation have been adapted for synchronous regulation of two diode-clamped inverters of grid-connected photovoltaic (PV) installation with specific double-delta configuration of inverter-side windings of power transformer. Modified algorithms of synchronous modulation, disseminated for adjustment of inverters of PV system with specific connection of windings of power transformer, insure improved harmonic composition of winding voltage of transformer. Even harmonics and undesirable subharmonics are absent in spectra of winding voltage for any control regimes of operation of this PV system, including overmodulation control modes of inverters.","PeriodicalId":103267,"journal":{"name":"2020 International Conference on Development and Application Systems (DAS)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2020 International Conference on Development and Application Systems (DAS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/DAS49615.2020.9108967","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
Specialized control scheme and techniques of space-vector modulation have been adapted for synchronous regulation of two diode-clamped inverters of grid-connected photovoltaic (PV) installation with specific double-delta configuration of inverter-side windings of power transformer. Modified algorithms of synchronous modulation, disseminated for adjustment of inverters of PV system with specific connection of windings of power transformer, insure improved harmonic composition of winding voltage of transformer. Even harmonics and undesirable subharmonics are absent in spectra of winding voltage for any control regimes of operation of this PV system, including overmodulation control modes of inverters.
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