Referenced Items are not available for this document.
A method for determining the supply current waveshapes for torque ripple compensation in permanent-magnet motors without saliency and damping bars, by means of a finite-element code, is presented. First, a theoretical analysis shows that current waveshapes producing constant torque can be determined. This analysis leads to an expression for the current as a function of the motor EMF (electromotive force) and cogging torque. Several methods, based on finite-element computation of the magnetic field, for computing the cogging torque and EMF are proposed and compared. A special experimental bench for motor torque measurement is used to validate the theoretical results
Published in:
Magnetics, IEEE Transactions on
(Volume:29
,
Issue:
2
)
Date of Publication: Mar 1993
- Page(s):
- 2019 - 2023
- ISSN :
- 0018-9464
- INSPEC Accession Number:
- 4447813
- Digital Object Identifier :
- 10.1109/20.250806
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Mar 1993
- Sponsored by :
- IEEE Magnetics Society
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