Circulating Current Suppression for a Direct AC-AC Modular Multilevel Converter in YDY coupling

被引：0
|
作者：
Dasco, Antony [1 ]
Bacha, Seddik
Raison, Bertrand
Guo, Baoling
机构：
[1] Univ Grenoble Alpes, CNRS, Grenoble INP, G2Elab, F-38000 Grenoble, France
来源：
IECON 2017 - 43RD ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY | 2017年
关键词：
Low/Reduced-Frequency; Offshore; MMC; circulating current; frequency-changer; AC-converter; POWER;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A control strategy to manage the circulating current content in a Modular Multilevel Converter in direct AC-AC topology is proposed in this article. The converter is connected in three-phase YDY configuration which forms a closed delta path for free current circulation while keeping outsider waveforms with low THD content. Circulating current correction becomes necessary face to any kind of unbalance or even to small power transition. Simulations results show multiple frequency content in waveforms using a resonant corrector and performances against system unbalances.
引用
收藏
页码：138 / 145
页数：8
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