A Study on the Optimal Rotor Design of LSPM Considering the Starting Torque and Efficiency

This paper presents the optimal rotor design method in a single-phase line-start permanent magnet motor (LSPM) considering the starting torque and efficiency. To consider nonlinear characteristics, the design process is comprised of the FEM and analytical method. During this study, permanent-magnets...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2009-03, Vol.45 (3), p.1808-1811
Main Authors: KIM, Won-Ho, KIM, Ki-Chan, KIM, Seung-Joo, KANG, Dong-Woo, GO, Sung-Chul, LEE, Hyung-Woo, CHUN, Yon-Do, LEE, Ju
Format: Article
Language:English
Subjects:
Bars
Computer simulation
Cross-disciplinary physics: materials science
rheology
Design methodology
Equivalent circuits
Exact sciences and technology
Finite element method
Magnetic analysis
Magnetic flux
Magnetism
Materials science
Mathematical analysis
Mathematical models
Motors
Optimal design
Optimization
Other topics in materials science
Permanent magnet motors
Physics
Process design
Rotors
single-phase line start permanent magnet motor (LSPM)
starting torque and efficiency
Torque
Torque control
Weight control
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Summary:This paper presents the optimal rotor design method in a single-phase line-start permanent magnet motor (LSPM) considering the starting torque and efficiency. To consider nonlinear characteristics, the design process is comprised of the FEM and analytical method. During this study, permanent-magnets and cage bars were designed using the magnetic equivalent circuit method and the barriers that control all magnetic flux were designed using the FEM, and the tradeoff of starting torque and efficiency is controlled by weight function in Taguchi method simulation. Finally, the performance of the optimal model is compared with those of conventional models.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2009.2012757