Development of a novel three-phase laminated-core variable inductor for var compensation

Kenji Nakamura, Shuhei Hisada, Kenji Arimatsu, Takashi Ohinata, Kunio Sakamoto, Osamu Ichinokura

研究成果: Article査読

10 被引用数 (Scopus)


This paper presents a novel three-phase laminated-core variable inductor made for the purpose of voltage stabilization in electric power systems. The proposed variable inductor has three-phase secondary ac windings together in one laminated-core to reduce the size and weight in comparison with the other single-phase ones. It can be applied as a var compensator since it can control the effective inductance of the secondary ac windings by dc excitation from the primary dc windings. First, the operating principle of the three-phase laminated-core variable inductor is described. Next, a trial 4.0 kVA variable inductor is designed based on reluctance network analysis (RNA), and then, the availability of the proposed variable inductor, which has good controllability and sinusoidal output current, is proved in experiments.

ジャーナルIEEE Transactions on Magnetics
11 PART 2
出版ステータスPublished - 2008 11月

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 電子工学および電気工学


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