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A Magnetic Pole Modulation Method on Surface Permanent Magnet Machines for High Performances With Different Magnetization

Title
A Magnetic Pole Modulation Method on Surface Permanent Magnet Machines for High Performances With Different Magnetization
Author
권병일
Keywords
Magnetic pole modulation method; surface-mounted permanent magnet machines; the principle of equivalent areas; low torque pulsations; high magnet utilization
Issue Date
2019-06
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE ACCESS, v. 7, Page. 79839-79849
Abstract
This study proposes a magnetic pole modulation method applied to surface permanent magnet (PM) machines for suppressing the torque pulsations and improving the utilization of the magnet. The principle of equivalent areas is more popular in power electronics instead of the sinusoidal current. Here, the principle is modified into magnetic pole modulation to create an air-gap flux density distribution with a sinusoidal wave. Subsequently, the third harmonic is considered in the magnetic pole modulation method. Radial and parallel magnetization have both been discussed with this method for its availability. Additionally, an optimal design process combining the Kriging method with a genetic algorithm is applied to design the key parameters for further minimizing torque pulsations and maximizing output torque per unit PM. All motor characteristics, including air-gap flux density, cogging torque, and electromagnetic torque are verified by the aid of finite-element analysis.
URI
https://ieeexplore.ieee.org/document/8737938http://repository.hanyang.ac.kr/handle/20.500.11754/116557
ISSN
2169-3536
DOI
10.1109/ACCESS.2019.2923449
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ELECTRICAL ENGINEERING(전자공학부) > Articles
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