[其它]Key technologies of large and medium power electromechanical energy conversion under extreme operati

Abstract-Based on the key technologies analyses of high-speed @"gWvs  
high-power-density electric machines and low-speed <zhN7="  
high-torque-density electric machines, the common scientific QeZK&^W  
problem is extracted from the study of large and medium power j1
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electromechanical energy conversion devices under extreme FCMV1,  
operating conditions. The common scientific problem is how to [ #1<W`95  
make full use of physical properties of electromagnetic materials. Aq:1  
To solve above scientific problems, two major techniques, fine d-sK{ZC"y  
modeling on electromagnetic (EM) material properties and XlHt(d0h
 
precise design of electric machines, are proposed and thoroughly z~y=(T  
studied. The research fields range from the effect of multi-factors, tsvh/)V  
such as magnetic field, frequency, temperature and stress, on the L! DK2,  
EM materials to the analysis of EM field, temperature field, 8s#2Zv  
mechanical property and multi-physics field coupled technology, \c.MIDp"  
which refers to many disciplines including electrical engineering, -VVJf5/  
engineering thermal physics, engineering mechanics, computer ^CWxYDG*  
technology, and so on. The extraction of scientific problems K:\db'``  
provides a theoretical guidance for research on .. POtwT">z  
iR(jCD?) Y  

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