Mohamed Taha Elsayed Ahmed <br/><br/>
A novel approach for wide speed range of PMSM /  
 طريقة حديثة للحصول على مجال واسع من السرعات للمحركات المتزامنة ذات المغناطيس الدائم 
Mohamed Taha Elsayed Ahmed ; Supervised Osama Ahmed Mahgoub , Sherif Ahmed Zaid 
 - Cairo :   Mohamed Taha Elsayed Ahmed ,   2012 
 - 142 P. :   plans ;   30cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty of Engineering - Department of Electrical Power and Machines 
<br/><br/> As the Permanent Magnet Sychronous Motor (PMSM) have many advantages like torque to volume ratio, high efficiency...etc., Constant Power Operation Region (CPOR) has gained a very high interest as the world going very fast to use the clean energy in most of applications especially electrical vehicles. These types of applications require driving of the motor with a wide speed range over the rated speed; it may reach the ratio of 1:10 
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<br/><br/><label>Subjects--Index Terms: </label>CPA PMSM VCFW