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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Operation of induction motor with respect to maximum efficiency
 Čech, Jiří ; Ctibor, Jiří (referee) ; Toman, Marek (advisor)
In the first part of this paper a mathematical model of induction motor is described. With usage of -network equivalent circuit equations for calculation of individual power losses and overall efficiency are derived. Research study of loss minimization control is introduced in the next part. Several often used methods of variable frequency drive control are described. Also a review of loss minimization techniques from the perspective of induction motor control are presented. The last part of this paper includes a detailed description of scalar induction motor drive focused on reaching optimal efficiency. The loss minimization technique used is a model based method with rotor frequency being the control variable. At the end the performance of this method is verified using a computational script in Matlab.
Detailed record
Operation of induction motor with respect to maximum efficiency
 Čech, Jiří ; Ctibor, Jiří (referee) ; Toman, Marek (advisor)
In the first part of this paper a mathematical model of induction motor is described. With usage of -network equivalent circuit equations for calculation of individual power losses and overall efficiency are derived. Research study of loss minimization control is introduced in the next part. Several often used methods of variable frequency drive control are described. Also a review of loss minimization techniques from the perspective of induction motor control are presented. The last part of this paper includes a detailed description of scalar induction motor drive focused on reaching optimal efficiency. The loss minimization technique used is a model based method with rotor frequency being the control variable. At the end the performance of this method is verified using a computational script in Matlab.
Detailed record

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