Title :
Thermal modeling of a short-duty motor
Author :
Sawata, Tadashi ; Staton, Dave
Author_Institution :
Goodrich Power Syst., USA
Abstract :
In some applications electric motors operate only for a very short period of time. Thermal designs of such motors are extremely important to optimize system weight and size. This paper discusses transient thermal performance of a short-duty rated motor. An analytical study shows that the quality of impregnation plays a significant role in transient performance. Thermal protection with temperature sensors will not be reliable due to delays in temperature measurement, and a predictive protection is essential. The analysis is confirmed by 2-dimentional finite element analysis and prototype motor testing.
Keywords :
electric motors; finite element analysis; machine protection; machine testing; thermal analysis; transient analysis; electric motors; predictive protection; prototype motor testing; short-duty rated motor; temperature measurement; temperature sensors; thermal designs; thermal modeling; thermal protection; transient thermal performance; two-dimentional finite element analysis; Induction motors; Insulation; Permanent magnet motors; Solid modeling; Temperature measurement; Temperature sensors; Windings;
Conference_Titel :
IECON 2011 - 37th Annual Conference on IEEE Industrial Electronics Society
Conference_Location :
Melbourne, VIC
Print_ISBN :
978-1-61284-969-0
DOI :
10.1109/IECON.2011.6119624
