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摘要
This paper presents an analytical approach to calculate the magnetic field distribution in surface-mounted permanent magnet motors. The technique is based on 2D solution of the Maxwell's equations using the separation of variable method. The magnetic field expressions are developed in slots regions, magnetic air gap region and permanent magnet region leading to an exact calculation of the slot effects on the air gap magnetic quantities. Magnetic field and cogging torque computed with the proposed analytical method are validated through finite-element analysis.
- 出版日期2012
