A flux estimation method for a permanent-magnet synchronous motor

Shyh Jier Wang*, Chich Hsing Fang, Shir-Kuan Lin

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

7 Scopus citations


This paper deals with the flux estimation of a permanent-magnet synchronous motor (PMSM). Contrary to the conventional no-load test, the proposed method needs no extra servomotor. It is simply to drive the PMSM in a single-phase mode with the currents large enough to make the PMSM rotate in the same direction. Under such a condition, the flux of the PMSM can be easily estimated.

Original languageEnglish
Pages (from-to)355-359
Number of pages5
JournalJournal of Magnetism and Magnetic Materials
Issue number1-3
StatePublished - 1 Nov 2004
EventInternational Symposium on Advanced Magnetic Technologies - Taipei, Taiwan
Duration: 13 Nov 200316 Nov 2003


  • Emf
  • Flux estimation
  • No-load test
  • PMSM

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