Analysis of Permanent Magnet Linear Synchronous Motor with Magnet.pdf

3136 IEEE TRANSACTIONS ON MAGNETICS Vol. 35. NO S, SEWEMBER 1999 3-D Analysis of Permanent Magnet Linear Synchronous Motor with Magnet Arrangement Using Equivalent Magnetic Circuit Network Method In-Soung Jung, Jin Hur and Dong-Seok Hyun Dept of Eleclrical Engineering, llanyang University. Seoul 133-791. Korea Absrmer-In this paper, the fieids and forces of permanent magnet linear synchronous motor (PMLSM) with segmented or stewed magnet arrangement are analyzed according to length of segment o r skew. And, the effects according to the lateral overliang of magnet are investigated. For the analysis, 3- dimensional equivalent magnetic circuit network (3-D EMCN) Y metiiod is used. The analysis results are compared with the ehp~iio i h i . 8 experimental ones and shown a reasonable agreement. (a) Segmeiiled PM model (b) Skewed PM model / d c x terms-3-D EMCN, PMLSM, detent force, skewed Fig. 1 , PMarrangements U~PMLSM for the analysis. magnet. segmented magnet, overhang. II.ANALYSIS MeriioD I.INTRODUCTION In 3-D EMCN method, the analysis inodel is divided into Permanent magnet linear synchronous motors (PMLSMs) e