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A Linear Stator Permanent Magnet Vernier Machine Using Variable Halbach Arrays
Abstract:
This paper proposes a linear stator perment magnet (PM) vernier machine using variable Halbach Arrays (LSPMV-VHA machine) which offers a number of outstanding merits, such as the high thrust force and low cogging force. The key is to newly employ variable Halbach PM array to substitute the parallel PMs in the linear stator PM vernier (LSPMV) machine. By using the finite element method, the dimensions and the magnetization directions of the PM segments are optimized for the aim of the highest power density. In order to confirm the advantages, a quantitative comparison between the proposed machine and the LSPMV machine is performed in the conditions of the same PM volume, electric loading and rated speed. The results show that the proposed machine has higher power density and lower cogging force than its counterparts.
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Pages:
305-310
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Online since:
September 2013
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