Reduction of Cogging Torque in Interior-Magnet Brushless Machines

Z. Q. Zhu; S. Ruangsinchaiwanich; N. Schofield; D. Howe

doi:10.1109/TMAG.2003.816733

Reduction of Cogging Torque in Interior-Magnet Brushless Machines

Z. Q. Zhu, S. Ruangsinchaiwanich, N. Schofield, D. Howe

Research output: Contribution to journal › Article › peer-review

Abstract

The cogging torque in a four-pole interior-magnet brushless machines was described. It was shown that, by appropriately defining the pole-arc to pole-pitch ratio, the optimal pole-arc to pole-pitch ratio for minimum cogging toque is equally applicable to interior-magnet machines. The results showed that the cogging torque in machines with nonoverlapping windings is approximately half of that in similar machines having overlapping windings.

Original language	English
Pages (from-to)	3238-3240
Number of pages	2
Journal	Ieee Transactions on Magnetics
Volume	39
Issue number	5
DOIs	https://doi.org/10.1109/TMAG.2003.816733
Publication status	Published - Sept 2003

Keywords

Brushless machines
Cogging torque
Permanent magnets
Permanent-magnet machines

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10.1109/TMAG.2003.816733

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title = "Reduction of Cogging Torque in Interior-Magnet Brushless Machines",

abstract = "The cogging torque in a four-pole interior-magnet brushless machines was described. It was shown that, by appropriately defining the pole-arc to pole-pitch ratio, the optimal pole-arc to pole-pitch ratio for minimum cogging toque is equally applicable to interior-magnet machines. The results showed that the cogging torque in machines with nonoverlapping windings is approximately half of that in similar machines having overlapping windings.",

keywords = "Brushless machines, Cogging torque, Permanent magnets, Permanent-magnet machines",

author = "Zhu, {Z. Q.} and S. Ruangsinchaiwanich and N. Schofield and D. Howe",

year = "2003",

month = sep,

doi = "10.1109/TMAG.2003.816733",

language = "English",

volume = "39",

pages = "3238--3240",

journal = "Ieee Transactions on Magnetics",

issn = "0018-9464",

publisher = "IEEE",

number = "5",

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TY - JOUR

T1 - Reduction of Cogging Torque in Interior-Magnet Brushless Machines

AU - Zhu, Z. Q.

AU - Ruangsinchaiwanich, S.

AU - Schofield, N.

AU - Howe, D.

PY - 2003/9

Y1 - 2003/9

N2 - The cogging torque in a four-pole interior-magnet brushless machines was described. It was shown that, by appropriately defining the pole-arc to pole-pitch ratio, the optimal pole-arc to pole-pitch ratio for minimum cogging toque is equally applicable to interior-magnet machines. The results showed that the cogging torque in machines with nonoverlapping windings is approximately half of that in similar machines having overlapping windings.

AB - The cogging torque in a four-pole interior-magnet brushless machines was described. It was shown that, by appropriately defining the pole-arc to pole-pitch ratio, the optimal pole-arc to pole-pitch ratio for minimum cogging toque is equally applicable to interior-magnet machines. The results showed that the cogging torque in machines with nonoverlapping windings is approximately half of that in similar machines having overlapping windings.

KW - Brushless machines

KW - Cogging torque

KW - Permanent magnets

KW - Permanent-magnet machines

U2 - 10.1109/TMAG.2003.816733

DO - 10.1109/TMAG.2003.816733

M3 - Article

SN - 0018-9464

VL - 39

SP - 3238

EP - 3240

JO - Ieee Transactions on Magnetics

JF - Ieee Transactions on Magnetics

IS - 5

ER -

Reduction of Cogging Torque in Interior-Magnet Brushless Machines

Abstract

Keywords

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