Table 1. Reluctance equalization design. Fig. 2. Voltage vector of LSynRM. Fig. 4. Analytical model. Table 2. Specifications of analytical models. Fig

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Mover Design and Performance Analysis of Linear Synchronous Reluctance Motor with Multi-flux Barrier Masayuki Sanada, Member, Mitsutoshi Asano, Student Member, Shigeo Morimoto, Member, Yoji Takeda, Member (Osaka Prefecture University) A Synchronous reluctance motor has many advantages because it has no permanent magnet, such as low back emf in a high speed operation, keeping performance in a high temperature environment and so on. Therefore, many rotor constructions are studied and developed. The rotor with multi-flux barrier structure has the merit of its easy construction and high performances. The linear synchronous reluctance motor have been developed. It is necessary to improve the performance by the mover design for industrial use, because of its low power factor. In this paper, we propose a novel configuration of mover for linear synchronous reluctance motor, and examine the static characteristics of linear synchronous reluctance motor with reluctance equalization design by using finite element method. From analytical results, it is cleared that the static characteristics of the linear synchronous reluctance motor is greatly improved by the reluctance equalization design at the iron layer in the mover. Fig. 1. Basic structure of LSynRM. 922 T. IEE Japan, Vol. 120-D, No. 7, 2000

Table 1. Reluctance equalization design. Fig. 2. Voltage vector of LSynRM. Fig. 4. Analytical model. Table 2. Specifications of analytical models. Fig. 3. Scheme of mover,

Fig. 6. Comparison of maximum thrust. Fig. 5. Inductance characteristics. Table 3. Inductance characteristics. Table 4. Maximum thrust and increasing ratio. 924 T. IEE Japan, Vol. 120-D, No.7, 2000

Fig. 7. Analytical models of stator. Fig. 8. Analytical models of mover. Fig. 9. Flux distribution around air gap.

Table 5. Average thrust (3layers). Table 6. Thrust ripple. Fig. 10. Flux distribution around air gap. 926 T. IEE Japan, Vol. 120-D, No.7, 2000

Table 7. Average thrust. (5) A. Damiano, I. Marongiu, A. Delpizzo, A. Perfetto: u(modeling Improvement of a High Anisotropy Linear Reluctance Motor v Proc. of LDIA'95 Nagasaki, pp. 179-182 (1995) (6) M. Sanada, S. Morimoto, Y. Takeda : (Interior Permanent Magnet Linear Synchronous Motor for High Performance Drive] IEEE Trans. on I.A., 33, 4, pp. 966-972 (1997) Table 8. Roughly calculated reluctance of outer iron layer. (2) T. Matsuo, T. A. Lipo : r Rotor Design Optimization of Synchronous Reluctance Machine, IEEE Trans. on E.C., 9, 2, pp. 359-365 (1994)

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