Referenced Items are not available for this document.
This paper presents a method of estimating the speed of an induction motor using a measurement of the stator current. Speed-induced current harmonics are identified in the stator current using the fast orthogonal search (FOS) algorithm. The frequencies of these estimated harmonics are in turn used to estimate the speed of the motor given the number of rotor slots in the motor. Several optimizations of the FOS algorithm are presented to allow for real-time performance on an embedded digital signal processor. Experimental results of speed estimates on a 1/4 horsepower motor are presented to verify this approach.
Published in:
Energy Conversion, IEEE Transactions on
(Volume:21
,
Issue:
1
)
Date of Publication: March 2006
- Page(s):
- 112 - 120
- ISSN :
- 0885-8969
- INSPEC Accession Number:
- 8870370
- Digital Object Identifier :
- 10.1109/TEC.2005.853766
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 21 February 2006
- Issue Date :
- March 2006
- Sponsored by :
- IEEE Power & Energy Society
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