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Comparison of Two Rotor Configurations by Changing the Amount of Magnet and Reluctance Components
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 Title & Authors
Comparison of Two Rotor Configurations by Changing the Amount of Magnet and Reluctance Components
Beser, Esra Kandemir; Camur, Sabri; Arifoglu, Birol; Beser, Ersoy;
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 Abstract
In this paper, two rotor configurations including different amount of magnet and reluctance parts are presented. The rotors are constituted by means of a flexible hybrid motor structure. Considerable features of the hybrid structure are that the combination of the magnet and reluctance parts can be suitably modified and the mechanical angle () between the parts can also be varied. Two hybrid rotor configurations have been considered in this study. First, finite element (FE) simulations were carried out and the torque behaviors of the motors were predicted. The average torque () and maximum torque () curves were obtained from FE simulations in order to find suitable . Mathematical model of the motors was formed in terms of a,b,c variables considering the amount of the magnet and reluctance parts on the rotor and simulations were performed. Rotor prototypes, motor drive and drive method were introduced. Torque profiles of the motors were obtained by static torque measurement and loaded tests were also realized. Thus, simulation results were verified by experimental study. There is a good match between predictions and measurements. The proposed motors are operated with electrical mode as a brushless DC motor (BLDC) and torque versus speed characteristics show a compound DC motor characteristic. The motors can be named as brushless DC compound motors.
 Keywords
Brushless machines;Permanent magnet motors;Reluctance motors;Finite element simulations;Modelling hybrid motors;Axially laminated rotors;
 Language
English
 Cited by
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