In order to study iron loss distribution characteristics in stator and motor of induction motor, an improved iron-loss model with higher accuracy is proposed based on time-stepping finite elements. In Section Two,various iron loss formulaes are compared. followed by an miproved iron-loss model. In Section Three,the time variation of flux density and loci of lux density at different core locations are firstly analyzed, then the iron loss distributions in different areas in the core were concluded. It is found …
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