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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/36961

Title: Microstructure Design and Analysis of Rotor and Stator in Three-phase Permanent Magnet Brushless Direct Current Electric Motor with Low Rare Earth Material
Authors: Hsing-Cheng Yu;Bo-Syun Yu
余興政
Contributors: NTOU:Department of Systems Engineering and Naval Architecture
國立臺灣海洋大學:系統工程暨造船學系
Keywords: Surface permanent magnet;Brushless DC motor;Microstructure;Tooth surface structure;Rare earth material
Date: 2014-02
Issue Date: 2015-05-20T01:32:50Z
Publisher: Materials Research Innovations
Abstract: Various hemicycle groove microstructures of surface permanent magnets and tooth surface stators are simulated to improve the motor performance by a finite-element analysis software in this study for designing, analysing and optimising and observation of the magnetic field strength distribution and to reduce the cogging torque in the permanent magnet brushless direct current motors. The output torque variation in the surface permanent magnet brushless direct current motor does not vary much or varies by a no more than 10% decrement in the situation of decreasing magnetic field strength while reducing the permanent magnet volume. The cogging torque of the optimal combination of the surface permanent magnet brushless direct current motor can be abated 62·4%, but the output torque is only decreased by 6·5% approximately because the usage amount of the rare earth permanent magnet volume in the designed surface permanent magnet brushless direct current motor is reduced by 5·3%. Finally, a prototype of the three-phase radial-flux surface permanent magnet brushless direct current motor with low rare earth material has been manufactured to verify the optimal simulation design.
Relation: 18(S3), pp.S3-46-S3-52
URI: http://ntour.ntou.edu.tw/handle/987654321/36961
Appears in Collections:[系統工程暨造船學系] 期刊論文

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