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Reduction of the torque ripple in brushless doubly-fed machine
Gorginpour, H ; Sharif University of Technology | 2011
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- Type of Document: Article
- Publisher: 2011
- Abstract:
- In this paper, a new structure for the rotor of the Brushless Doubly-Fed Machine (BDFM) is introduced to reduce the machine's torque ripple. The ripple has a considerable effect on the machine start up. At the first section of the paper, analytical expressions for the air gap permeance distribution, the air gap MMF distribution, cogging torque and back EMF are presented. Then, the effects of skewing the rotor loops are analyzed. Finally, the relation between non-skewed quantities and their values in skewed coordinate are introduced
- Keywords:
- Air gap MMF ; Skew effect ; Stator to rotor mutual inductance ; Air gap permeances ; Air-gaps ; Analytical expressions ; Back-emf ; Brushless doubly fed machines ; Cogging torque ; Skew effect ; Torque ripple ; Torque ripples ; Inductance ; Rotors (windings) ; Temperature control ; Torque
- Source: Proceedings of the 2011 3rd International Youth Conference on Energetics, IYCE 2011, 7 July 2011 through 9 July 2011 ; July , 2011 , Page(s):1 - 7 ; 9781457714948 (ISBN)
- URL: http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=6028289&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D6028289