Thermal evaluation of TEFC induction motors operating on frequency controlled variable speed drives

The thermal capacity of totally enclosed fan cooled (TEFC) converter-fed induction motors varies at the different operating frequencies. Main effects are due to the variation of the cooling airflow, the variation of iron losses, and eventually, the presence of harmonics. This paper presents the resu...

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Bibliographic Details
Published inConference Record of the 2003 Annual Pulp and Paper Industry Technical Conference, 2003 pp. 164 - 170
Main Authors Valenzuela, M.A., Tapia, J., Rooks, J.A.
Format Conference Proceeding
LanguageEnglish
Published IEEE 2003
Subjects
Cooling
Frequency conversion
Induction motors
Iron
Open loop systems
Pulse width modulation inverters
Temperature
Testing
Thermal variables control
Variable speed drives
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Summary:The thermal capacity of totally enclosed fan cooled (TEFC) converter-fed induction motors varies at the different operating frequencies. Main effects are due to the variation of the cooling airflow, the variation of iron losses, and eventually, the presence of harmonics. This paper presents the results of a complete evaluation of these effects and of the thermal torque at the different operating speeds.
ISBN:9780780379312
0780379314
ISSN:0190-2172
DOI:10.1109/PAPCON.2003.1216913