モジュラー・マルチレベル・カスケード変換器（MMCC-DSCC）を用いたBTBシステム：実験とシミュレーションによる動作検証

カテゴリ: 論文誌(論文単位)

グループ名: 【D】産業応用部門

発行日: 2013/11/01

タイトル(英語): A Back-To-Back (BTB) System Using Modular Multilevel Cascade Converters Based on Double-Star Chopper-Cells (MMCC-DSCC): Verification of Operation by Experiment and Simulation

著者名: 関口　慧（東京工業大学 大学院理工学研究科 電気電子工学専攻），カムプラツグデー ・　プラシヤー（東京工業大学 大学院理工学研究科 電気電子工学専攻），萩原　誠（東京工業大学 大学院理工学研究科 電気電子工学専攻），赤木　泰文（東京工業大学 大学院理工学研究科 電気電子工学専攻）

著者名(英語): Kei Sekiguchi (Department of Electrical and Electronic Engineering, Tokyo Institute of Technology), Pracha Khamphakdi (Department of Electrical and Electronic Engineering, Tokyo Institute of Technology), Makoto Hagiwara (Department of Electrical and Electronic Engineering, Tokyo Institute of Technology), Hirofumi Akagi (Department of Electrical and Electronic Engineering, Tokyo Institute of Technology)

キーワード: モジュラー・マルチレベル・カスケード変換器（MMCC），系統連系用変換器，BTBシステム　　modular multilevel cascade converters (MMCC)，grid-connected converters，back-to-back systems

要約(英語): This paper presents a detailed discussion on the modular multilevel cascade converter based on double-star chopper-cells (MMCC-DSCC). Hereinafter, it is simply referred to as the DSCC. A couple of DSCCs are used to form a three-phase 6.6-kV back-to-back (BTB) system installed between two power distribution feeders. Each DSCC, using 3.3-kV IGBTs, consists of 16 cascaded chopper-cells per leg. Low voltage steps bring about significant reductions in the harmonic voltage and current to the BTB system. A conventional power conversion system employs bulky line-frequency transformers and dc-link capacitors, whereas this system does not require either of them, thereby reducing the overall physical size and weight. Although no voltage sensor is installed on the common dc link of the BTB system, an indirect feedback loop in the control system makes it possible to regulate the mean dc-link voltage to its reference. This paper describes the design, construction, and evaluation of a three-phase 200-V, 10-kW downscaled model, with focus on operating principles and performance. Finally, experimental waveforms are compared with simulated ones obtained from a software package of PSCAD/EMTDC under the same operating conditions, including steady and transient states. The experimental and simulated waveforms agree well with each other.

本誌: 電気学会論文誌D（産業応用部門誌） Vol.133 No.11 （2013）

本誌掲載ページ: 1089-1096 p

原稿種別: 論文／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejias/133/11/133_1089/_article/-char/ja/