Magnetic circuit model considering magnetic hysteresis

Hideaki Tanaka, Kenji Nakamura, Osamu Ichinokura

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Quantitative estimation of core loss considering magnetic hysteresis property is strongly required to develop high-efficient electrical machines. This paper presents a novel magnetic circuit model considering magnetic hysteresis. In the proposed model, dc hysteresis loss is calculated by the LLG equation, while classical and anomalous eddy current losses are calculated in the magnetic circuit. It is demonstrated that hysteresis loop under PWM wave excitation can be expressed by the proposed model. The validity and availability are proved by comparing with measured values.

Original languageEnglish
Pages (from-to)243-249
Number of pages7
JournalIEEJ Transactions on Fundamentals and Materials
Issue number4
Publication statusPublished - 2014


  • Iron loss
  • LLG equation
  • Magnetic circuit model
  • Magnetic hysteresis
  • PWM excitation


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