{"title":"Multi-megawatt drive with intercell transformers","authors":"S. Dawande, K. Lentijo","doi":"10.1109/ESTS.2013.6523737","DOIUrl":null,"url":null,"abstract":"In order to provide excellent harmonic power quality equivalent to that of a synchronous generator, interleaved carriers and intercell transformers (ICTs) were included as part of an active-front end in a two-level, four-thread three-phase PWM drive to try to achieve 1% Total Harmonic Distortion (THD) and 0.3% Single Harmonic Distortion (SHD) for voltage up to 20 kHz on a high impedance grid. This highly compact drive rated up to 4 MW at 690 V with 2.5 kHz switching frequency is currently undergoing testing on a 480 V grid. The results of harmonic testing to date as well as a discussion of the role of the various inductance values associated with the design are included.","PeriodicalId":119318,"journal":{"name":"2013 IEEE Electric Ship Technologies Symposium (ESTS)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2013-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2013 IEEE Electric Ship Technologies Symposium (ESTS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ESTS.2013.6523737","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
In order to provide excellent harmonic power quality equivalent to that of a synchronous generator, interleaved carriers and intercell transformers (ICTs) were included as part of an active-front end in a two-level, four-thread three-phase PWM drive to try to achieve 1% Total Harmonic Distortion (THD) and 0.3% Single Harmonic Distortion (SHD) for voltage up to 20 kHz on a high impedance grid. This highly compact drive rated up to 4 MW at 690 V with 2.5 kHz switching frequency is currently undergoing testing on a 480 V grid. The results of harmonic testing to date as well as a discussion of the role of the various inductance values associated with the design are included.
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