Analysis and Prediction of Cogging Torque and ripples in output Torque of Permanent Magnet Synchronous Motor and Line Start Permanent Magnet Synchronous Motor
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Published:2021-04-10
Issue:3
Volume:12
Page:4586-4595
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ISSN:1309-4653
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Container-title:Turkish Journal of Computer and Mathematics Education (TURCOMAT)
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language:
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Short-container-title:TURCOMAT
Author:
Et.al Ravisankar B
Abstract
Permanent magnet (PM) motors are rapidly replacing the squirrel cage induction motors for its energy efficient operation, smooth control and high power density. Although PM Motors are energy efficient, they are inherently affected by cogging torque and torque ripple. Magnetic alignment between teeth of stator and permanent magnet of rotors produce cogging torque. Torque ripple is a dynamic oscillation during steady-steady operation which leads to various mechanical anomalies like vibration, noise and rotor stress. Torque ripple is produced in PM motors because of non-sinusoidal distribution of flux, saturation, improper selection of slots etc., these ill effects will deteriorate the starting and steady-state performance of motors. So it is very vital to make analysis and prediction of cogging torque and torque ripples to make the motor more effective. Now a day's minimizing the torque ripples and cogging torque are gaining importance in PM motor designs. In this proposed work, the cogging torque analysis and torque ripple analysis of permanent magnet motor and line start permanent magnet motor has been done and reported.
Publisher
Auricle Technologies, Pvt., Ltd.
Subject
Computational Theory and Mathematics,Computational Mathematics,General Mathematics,Education
Cited by
1 articles.
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