Study of Matrix Converter as a Current-Controlled Power Supply in QUEST Tokamak

DOI Web Site 参考文献2件
  • LIU Xiaolong
    IGSES, Kyushu University, 6-1, Kasuga-koen, Kasuga, Fukuoka, 816-8580, Japan
  • NAKAMURA Kazuo
    RIAM, Kyushu University, 6-1, Kasuga-koen, Kasuga, Fukuoka, 816-8580, Japan
  • JIANG Yi
    IGSES, Kyushu University, 6-1, Kasuga-koen, Kasuga, Fukuoka, 816-8580, Japan
  • YOSHISUE Tatsuya
    IGSES, Kyushu University, 6-1, Kasuga-koen, Kasuga, Fukuoka, 816-8580, Japan
  • MITARAI Osamu
    Tokai University, 9-1-1, Toroku, Kumamoto, 862-8652, Japan
  • HASEGAWA Makoto
    RIAM, Kyushu University, 6-1, Kasuga-koen, Kasuga, Fukuoka, 816-8580, Japan
  • TOKUNAGA Kazutoshi
    RIAM, Kyushu University, 6-1, Kasuga-koen, Kasuga, Fukuoka, 816-8580, Japan
  • ZUSHI Hideki
    RIAM, Kyushu University, 6-1, Kasuga-koen, Kasuga, Fukuoka, 816-8580, Japan
  • HANADA Kazuaki
    RIAM, Kyushu University, 6-1, Kasuga-koen, Kasuga, Fukuoka, 816-8580, Japan
  • FUJISAWA Akihide
    RIAM, Kyushu University, 6-1, Kasuga-koen, Kasuga, Fukuoka, 816-8580, Japan
  • IDEI Hiroshi
    RIAM, Kyushu University, 6-1, Kasuga-koen, Kasuga, Fukuoka, 816-8580, Japan
  • KAWASAKI Shoji
    RIAM, Kyushu University, 6-1, Kasuga-koen, Kasuga, Fukuoka, 816-8580, Japan
  • NAKASHIMA Hisatoshi
    RIAM, Kyushu University, 6-1, Kasuga-koen, Kasuga, Fukuoka, 816-8580, Japan
  • HIGASHIJIMA Aki
    RIAM, Kyushu University, 6-1, Kasuga-koen, Kasuga, Fukuoka, 816-8580, Japan
  • ARAKI Kuniaki
    RIAM, Kyushu University, 6-1, Kasuga-koen, Kasuga, Fukuoka, 816-8580, Japan

抄録

Because QUEST tokamak has a divertor configuration with a higher κ and a negative n-index, a precise power supply with a rapid response is needed to control the vertical position of the plasma. A matrix converter is a direct power conversion device that uses an array of controlled bidirectional switches as the main power elements for creating a variable-output current system. This paper presents a novel three-phase to two-phase topological matrix converter as a proposed power supply that stabilizes the plasma vertical position and achieves unity input power factor. An indirect control strategy in which the matrix converter is split into a virtual rectifier stage and a virtual inverter stage is adopted. In the virtual rectifier stage, the instantaneous active power and reactive power are decoupled on the basis of system equations derived from the DQ transformation; hence, unity power factor is achieved. Space vector pulse width modulation is adopted to determine the switching time of each switch in the virtual rectifier; the output voltage of the virtual rectifier is adjusted by the virtual inverter stage to obtain the desired load current. Theoretical analyses and simulation results are provided to verify its feasibility.

収録刊行物

参考文献 (2)*注記

もっと見る

キーワード

詳細情報 詳細情報について

問題の指摘

ページトップへ