Design and evaluation of a variable-flux flux-intensifying interior permanent-magnet machine

Natee Limsuwan, Takashi Kato, Kan Akatsu, Robert D. Lorenz

研究成果: Article査読

133 被引用数 (Scopus)

抄録

This paper presents a design approach for interior permanent-magnet (IPM) machines with variable-flux characteristics using low-coercive-force magnets for improved efficiency and extended operating speed range. A flux-intensifying IPM type with Ld > Lq is used in the design due to positive Id operation and reduced loaded Iq effects. Design considerations of machine structures and variable-flux machine attributes are discussed. In addition, leakage flux in a rotor is particularly designed to also obtain another flux-varying capability. Evaluation of the designed machine is provided by finite-element analysis simulations and experiments on a proof-of-principle machine. The designed machine shows benefits in increasing efficiency and speed range in a low-torque region when variable magnetization control of the low-coercive-force magnets or the design of the leakage flux proposed in this paper is implemented.

本文言語English
論文番号6560407
ページ(範囲)1015-1024
ページ数10
ジャーナルIEEE Transactions on Industry Applications
50
2
DOI
出版ステータスPublished - 2014 1 1

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

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