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2573600 
Journal Article 
Design process of interior PM synchronous motor for 42-V electric air-conditioner system in hybrid electric vehicle 
Kim, SIl; Lee, GHo; Hong, JPyo; Jung, TaeUk 
2008 
Yes 
I E E E Transactions on Magnetics
ISSN: 0018-9464 
44 
1590-1593 
This paper presents a design approach to an interior permanent magnetic synchronous motor (IPMSM) for the compressor of a hybrid electric vehicle operated in a 42-V battery system. The approach is to estimate the range of inductance and back-EMF to satisfy the required efficiency of IPMSM. Then, the preliminary geometry satisfying the region is decided by PM type, current density, fill factor, and so on. Last, the detailed design with optimization is performed to consider magnetic saturation and reduce cogging torque and torque ripple. At this time, the simulation results are obtained by finite element analysis and in consideration of operating temperature. In the end, the validity of the design process presented in this paper is verified by test. 
compressor; design approach; hybrid electric vehicle (HEV); interior permanent magnet synchronous motor (IPMSM)