{"title":"零宽周期对5电平MLCR CSC交流侧线路电流谐波的影响","authors":"B. Das, N. Watson, Y. Liu","doi":"10.1109/POWERCON.2012.6401306","DOIUrl":null,"url":null,"abstract":"The multi-level current reinjection (MLCR) concept produces high quality line current waveforms in current source converters (CSC) by injecting an reinjection current. Two rein-jected waveforms: Symmetrical waveform and Linear waveform are known. In this paper the influence of varying the zero width period (ZWP) of symmetrical waveform on line current harmonics of self-commutated MLCR CSC is studied. Different ZWPs are used and optimum ZWP is identified. The effect of different ZWP of the linear waveform on the thyristor based MLCR CSC is presented. This paper also investigates the effects of negative firing angle on the THD levels of the line currents drawn by both CSCs using PSCAD/EMTDC.","PeriodicalId":176214,"journal":{"name":"2012 IEEE International Conference on Power System Technology (POWERCON)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Influence of zero width period on the AC-side line current harmonics of 5-level MLCR CSC\",\"authors\":\"B. Das, N. Watson, Y. Liu\",\"doi\":\"10.1109/POWERCON.2012.6401306\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The multi-level current reinjection (MLCR) concept produces high quality line current waveforms in current source converters (CSC) by injecting an reinjection current. Two rein-jected waveforms: Symmetrical waveform and Linear waveform are known. In this paper the influence of varying the zero width period (ZWP) of symmetrical waveform on line current harmonics of self-commutated MLCR CSC is studied. Different ZWPs are used and optimum ZWP is identified. The effect of different ZWP of the linear waveform on the thyristor based MLCR CSC is presented. This paper also investigates the effects of negative firing angle on the THD levels of the line currents drawn by both CSCs using PSCAD/EMTDC.\",\"PeriodicalId\":176214,\"journal\":{\"name\":\"2012 IEEE International Conference on Power System Technology (POWERCON)\",\"volume\":\"28 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2012 IEEE International Conference on Power System Technology (POWERCON)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/POWERCON.2012.6401306\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 IEEE International Conference on Power System Technology (POWERCON)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/POWERCON.2012.6401306","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Influence of zero width period on the AC-side line current harmonics of 5-level MLCR CSC
The multi-level current reinjection (MLCR) concept produces high quality line current waveforms in current source converters (CSC) by injecting an reinjection current. Two rein-jected waveforms: Symmetrical waveform and Linear waveform are known. In this paper the influence of varying the zero width period (ZWP) of symmetrical waveform on line current harmonics of self-commutated MLCR CSC is studied. Different ZWPs are used and optimum ZWP is identified. The effect of different ZWP of the linear waveform on the thyristor based MLCR CSC is presented. This paper also investigates the effects of negative firing angle on the THD levels of the line currents drawn by both CSCs using PSCAD/EMTDC.
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