Torque Pulsations in Machines with Fractional Slot Windings and Permanent Magnets

A study of torque pulsations in electrical machines with fractional slot windings and permanent magnets has been carried out. The design of a magnetic system with the arrangement of permanent magnets on the cylindrical surface of the rotor is considered. The analysis was carried out using the harmon...

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Bibliographic Details
Published in:Russian electrical engineering 2024-03, Vol.95 (3), p.182-188
Main Authors: Babitsky, D. Yu, Toporkov, D. M., Heinrich, G. O.
Format: Article
Language:English
Subjects:
Coils (windings)
Engineering
Harmonics
Machines
Manufacturing
Permanent magnets
Processes
Torque
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Summary:A study of torque pulsations in electrical machines with fractional slot windings and permanent magnets has been carried out. The design of a magnetic system with the arrangement of permanent magnets on the cylindrical surface of the rotor is considered. The analysis was carried out using the harmonic components method. The formation of torque is considered during the interaction of harmonics of the magnetomotive force created by fractional slot windings and harmonics of the magnetomotive excitation force generated by permanent magnets with constant and variable equivalent magnetic conductivity. Analytical expressions describing the occurrence of torque pulsations are obtained.
ISSN:1068-3712
1934-8010
DOI:10.3103/S1068371224700147