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This paper presents a study developed on a three-phase 11-MW synchronous motor with a solid salient-pole rotor of a blower drive system of a blast furnace at the Companhia Siderurgica Belgo-Mineira, Joao Monlevade, Brazil. A mechanical model including motor, gears, couplings, and blower is used in a simulation study to evaluate the torsional dynamics and stresses during motor startup and voltage sag conditions. In addition, the operation of the synchronous motor under voltage sag is analyzed with a comparative study between complete and approximated models of the motor. The utilization of a dynamic voltage restorer to protect the drive system under this abnormal situation is also evaluated.
Published in:
Industry Applications, IEEE Transactions on
(Volume:39
,
Issue:
5
)
Date of Publication: Sept.-Oct. 2003
- Page(s):
- 1429 - 1435
- ISSN :
- 0093-9994
- INSPEC Accession Number:
- 7751874
- Digital Object Identifier :
- 10.1109/TIA.2003.816511
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 29 September 2003
- Issue Date :
- Sept.-Oct. 2003
- Sponsored by :
- IEEE Industry Applications Society
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