Magnetic shielding for coreless linear permanent magnet motors

K.J.W. Pluk, J.W. Jansen, E. Lomonova

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

4 Citations (Scopus)
3 Downloads (Pure)

Abstract

This paper concerns the local reduction of the magnetic flux density by means of magnetic shielding. Using a spatial frequency description, a 2-D semi-analytical periodic model is obtained for a coreless single-sided linear permanent magnet motor. The magnetic shield is included in the modeling using mode-matching. The obtained magnetic flux density is compared to a finite element model and is verified with measurements. The results show a reasonable agreement between the semi-analytical model and the measurements. Some large deviations occur due to the modeling assumption that the shield has a linear permeability, while the used shields are saturated. However, the semi-analytical modeling method is accurate enough for design purposes and initial calculations, especially when being aware of the possible saturation of the shield.
Original languageEnglish
Title of host publicationProceedings of the Ninth International Symposium on Linear Drives for Industry Applications (LDIA13), 7-10 July 2013, Hangzhou, China
PagesID276-1/5
Publication statusPublished - 2013

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    Pluk, K. J. W., Jansen, J. W., & Lomonova, E. (2013). Magnetic shielding for coreless linear permanent magnet motors. In Proceedings of the Ninth International Symposium on Linear Drives for Industry Applications (LDIA13), 7-10 July 2013, Hangzhou, China (pp. ID276-1/5)