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Optimal-regulator-based control of NPC boost rectifiers for unity power factor and reduced neutral-point-potential variations

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タイトル: Optimal-regulator-based control of NPC boost rectifiers for unity power factor and reduced neutral-point-potential variations
著者: Fukuda, S 著作を一覧する
Matsumoto, Y 著作を一覧する
Sagawa, A 著作を一覧する
発行日: 1999年 6月
出版者: IEEE
誌名: IEEE Transactions on Industrial Electronics
巻: 46
号: 3
開始ページ: 527
終了ページ: 534
出版社 DOI: 10.1109/41.767059
抄録: Neutral-point-clamped pulsewidth modulation rectifiers (NPCRs) are suitable for high-voltage systems because of their circuit structure. The NPCRs, however, have a problem, in that the neutral point potential (NPP) varies when the current flows into or out of the neutral point. The variations cause voltage deviations in the input waveforms, as well as unbalanced voltage stress on the devices. This paper describes a controlling method for NPCRs based on a state-space model. There are three control objectives: (1) to keep the power factor at unity; (2) to keep the DC-link voltage at a reference value; and (3) to keep the neutral point potential at 0 V. The neutral point current is treated as one of the inputs. The controller is designed based on the optimal regulator theory in order to achieve the three control objectives simultaneously. The validity of the proposed method is demonstrated by experimental results.
Rights: ©1999 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. IEEE, IEEE Transactions on Industrial Electronics , 46, 3, 1999, p527-534
資料タイプ: article
URI: http://hdl.handle.net/2115/5718
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 福田 昭治

 

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