Design and Analysis of Rotor Shapes for IPM Motors in EV Power Traction Platforms

被引：33

作者：

Hwang, Myeong-Hwan ^{[1
,2
]}

Han, Jong-Ho ^{[1
]}

Kim, Dong-Hyun ^{[1
]}

Cha, Hyun-Rok ^{[1
]}

机构：

[1] Korea Inst Ind Technol, EV Components & Mat R&D Grp, 6 Cheomdan Gwagiro 208 Beon Gil, Gwangju 61012, South Korea

[2] Chonnam Natl Univ, Dept Elect Engn, 77 Youngbong Ro, Gwangju 61186, South Korea

来源：

ENERGIES | 2018年 / 11卷 / 10期

关键词：

traction motor; electric vehicle; interior permanent magnet; vehicle motor; electromagnetic field analysis; cogging torque; TORQUE RIPPLE; HYBRID;

D O I：

10.3390/en11102601

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The recent increase in the use of permanent magnet rotor motors underlines the importance of designing a rotor with an interior permanent magnet (IPM) structure, high power, and high efficiency. This study analyzed the rotor shapes of IPM motors for electric vehicles. Five types of motor rotors for automobiles were analyzed, including two hybrid vehicles. In order to minimize the number of variables in the analysis, the size of the motor stators was fixed and only the rotor shapes were modified to compare torque, torque ripple, efficiency and back-electromotive voltage. When the motor properties were compared as a function of rotor shape, the rotor shape with the smallest magnet volume exhibited excellent results for torque, efficiency and torque ripple.

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