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A Study on Flux Barrier of Permanent Magnet Assisted Reluctance Synchronous Motor Design using FEM  

Kim, Nam-Hun (청주대 전자정보공학부)
Nam, Sang-Hyun (청주대 전자정보공학부)
Choi, Kyeong-Ho (경북전문대학 전기과)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.13, no.4, 2008 , pp. 295-302 More about this Journal
Abstract
This paper examines the design and the performance of a PMA-RSM(permanent-magnet assisted reluctance synchronous motor) for washing machine. A FEM(finite element method) is used to analyze performance and maximum torque characteristic of the proposed PMA-RSM. The designed motor is a combination of salient poles, which is making reluctance torque, and permanent magnet which are located on the air-gap of rotor to get a enough torque during low speed resign. Typical flux barrier type reluctance synchronous motor and the effects of adding magnet into the flux barrier of the rotor of a PMA-RSM are compared and examined. Also the maximum torque point of the reluctance torque by reluctance and reaction torque by magnetic alignment torque, which is in barrier, of the proposed PMS-RSM are derived through simulation. Using this results, the characteristics analysis of a performance, an average torque and a torque ripple of flux barrier RSM and the proposed PMA-RSM are performed through FEM under the saturation effect respectively.
Keywords
Flux barrier; Reluctance motor; PM assisted reluctance motor; Maximum torque; FEA;
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