Application of permanent magnet synchronous motor (PMSM) has been increasingly popular in electric
vehicle (EV) area since cost-effective electrical steels were recently discovered. This paper mainly presents the
performance and characteristics of EV motors using varieties of high-efficiency electrical steels. At first, the
electro-magnetic and mechanical properties of electrical steels are described. Low loss, high induction and excellent
mechanical strength are critical criteria to evaluate the electrical steel. However, the gage of electrical steel is a
crucial factor to affect the properties. Secondly, the basic principle and algorithm for calculation of efficiency of
an EV motor are explained. Finally, the modeling and experimental results for different gages of electrical steel
sheets used in EV motors are analyzed.
PEI Rui-lin1 (裴瑞琳), ZENG Lu-bin2 (曾鹿滨), CHEN Xiao1 (陈晓), LIU Xian-dong1 (刘献东)
. Studies of High-Efficiency Electrical Steels Used in
Electric Vehicle Motors[J]. Journal of Shanghai Jiaotong University(Science), 2012
, 17(3)
: 319
-322
.
DOI: 10.1007/s12204-012-1277-x
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