三相モジュラー・マルチレベル・カスケード変換器（MMCC-DSCC）の非干渉制御

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: 2012/11/01

タイトル(英語): Decoupled Control of a Three-Phase Modular Multilevel Cascade Converter Based on Double-Star Chopper-Cells

著者名: 新村　直人（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): Naoto Niimura (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: 座標変換，非干渉制御，モジュラー・マルチレベル・カスケード変換器（MMCC）　　coordinate transformation，decoupled control，modular multilevel cascade converters (MMCC)

要約(英語): This paper presents a theoretical analysis and control of a three-phase modular multilevel cascade converter based on double-star chopper-cells (MMCC-DSCC). The analysis and control are characterized by applying the so-called "αβ0" and "dq0" coordinate transformations to the converter. Existing analysis and control methods were unable to use any coordinate transformation because the three-phase converter was considered as three sets of single-phase converters that were analyzed and controlled independently. As a result, it was difficult to avoid mutual interferences among the three-phase ac currents, circulating currents inside the converter, and dc current. Power-flow analysis using the two coordinate transformations succeeds in decoupling these currents, as well as in deriving lucid relationships between the power flow and the circulating currents. Moreover, the power-flow analysis makes it possible to design a decoupled digital controller for balancing and regulating the dc mean voltages of all the floating dc capacitors. The validity of the design is confirmed by computer simulation using a software package of PSCAD/EMTDC.

本誌: 電気学会論文誌D（産業応用部門誌） Vol.132 No.11 （2012）

本誌掲載ページ: 1055-1064 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/132/11/132_1055/_article/-char/ja/