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Title
Japanese:三相電力用アクティブフィルタの直流コンデンサ電圧変動の過渡解析と抑制 
English:Dynamic Control and Analysis of Dc-Capacitor Voltage Fluctuations in Three-Phase Active Power Filters 
Author
Japanese: 萬年 智介, 藤田 英明, 秋山 邦裕, 豊田 晃久, 中嶋 康夫.  
English: Tomoyuki Mannen1), Hideaki Fujita, Kunihiro Akiyama, Teruhisa Toyota, Yasuo Nakashima.  
Language Japanese 
Journal/Book name
Japanese:電気学会論文誌D 
English:IEEJ Trans. IA 
Volume, Number, Page vol. 135    no. 6    pp. 718-724
Published date June 1, 2015 
Publisher
Japanese:電気学会 
English:Institute of Electrical Engineering in Japan 
Conference name
Japanese: 
English: 
Conference site
Japanese: 
English: 
Official URL https://www.jstage.jst.go.jp/article/ieejias/135/6/135_718/_article/-char/ja/
 
DOI https://doi.org/10.1541/ieejias.135.718
Abstract This paper proposes a new control method for three-phase active power filters to reduce the dc capacitor voltage fluctuations caused by a quick load change. The new control method introduces a new k-step compensator, which maintains the mean active power at zero every 1/(k-1) ac line period. Therefore, the compensator can suppress the transient voltage fluctuations across the dc capacitor, even when a quick load change occurs. This paper theoretically reveals the relationship between the step number k and the reduction of the dc voltage fluctuations. The experimental setup introducing the proposed 7-step compensator exhibits good suppression of the dc voltage fluctuations and makes it possible to reduce the required capacitance of the dc capacitor by a factor of seven.

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