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Torque ripple and Unbalanced Magnetic Force of a BLDC Motor due to the Connecting wire between Slot Windings

Title
Torque ripple and Unbalanced Magnetic Force of a BLDC Motor due to the Connecting wire between Slot Windings
Author
장건희
Keywords
Wires; Torque; Windings; Joining processes; Harmonic analysis; Vibrations; Brushless DC motors
Issue Date
2012-05
Publisher
IEEE; 1999
Citation
IEEE transactions on magnetics, 2012, 48(11), P.3319-3322
Abstract
In this research, the effect of the connecting wire between slot windings on the torque ripple and unbalanced magnetic force (UMF) of a brushless dc (BLDC) motor was investigated. A 2-dimensional finite element model of a BLDC motor that includes the effect of the connecting wires was also developed. It was found that the connecting wires generate pole harmonics in the torque ripple and UMF. Thus, a novel pattern of the connecting wire where all coils are located at rotationally symmetric positions is proposed in order to eliminate the pole harmonics of the torque ripple and UMF induced by the connecting wire. The experimental findings showed that the proposed pattern can effectively reduce the magnitude of the pole harmonics in the noise and vibration of a BLDC motor.
URI
https://ieeexplore.ieee.org/document/6332764/https://repository.hanyang.ac.kr/handle/20.500.11754/70164
ISSN
0018-9464
DOI
10.1109/TMAG.2012.2198879
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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