Abstract
This article assesses the electromagnetic (EM) and thermal behaviors of a triple-redundant, 3×3-phase, permanent-magnet-assisted synchronous reluctance machine (PMASynRM) under a short circuit (SC) involving a few strands across a number of turns. Directly coupled EM-thermal simulation based on 2-D transient EM and 3-D thermal model with aid of a scripting file is adopted for analyzing thermal behavior under the most severe interstrand SC fault. The results provide a better understanding of more realistic SC behaviors in machines with stranded winding. It is shown that EM-thermal-coupled simulations are necessary to access the machine's thermal behavior under the fault conditions.
Published Version
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