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Content Provider | IEEE Xplore Digital Library |
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Author | Touzhu Li Slemon, G. |
Copyright Year | 1965 |
Abstract | Cogging torque in a permanent magnet motor, which arises from the interaction of the rotor magnets with the steel teeth on the stator, can be reduced by skewing the stator teeth, but only at the expense of added complexity in stator construction and some loss of output torque. It is shown that by appropriate choice of the angular width of the magnet relative to the tooth-plus-slot dimension, the cogging torque can be reduced to about 1% of rated torque. A further reduction to about 0.3% resulted from a rotational shift of one pair of poles with respect to the other pair in a four-pole motor. The analysis of cogging torques with both surface mounted and inset magnet rotors as well as experimental confirmation are reported.< |
Sponsorship | IEEE Magnetics Society |
Starting Page | 2901 |
Ending Page | 2903 |
Page Count | 3 |
File Size | 276702 |
File Format | |
ISSN | 00189464 |
Volume Number | 24 |
Issue Number | 6 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 1988-11-01 |
Publisher Place | U.S.A. |
Access Restriction | One Nation One Subscription (ONOS) |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Forging Torque Permanent magnet motors Teeth Stators Rotors Magnetic analysis Variable speed drives Frequency Finite element methods |
Content Type | Text |
Resource Type | Article |
Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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