Iron Loss Reduction in an Interior PM Automotive Alternator |
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| Authors: | Zivotic-Kukolj V Soong W L Ertugrul N |
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| Affiliation: | Sch. of Electr. & Electron. Eng., Adelaide Univ., SA; |
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| Abstract: | This paper examines the iron loss characteristics of a high-flux interior permanent-magnet machine. The machine was designed as a concept demonstrator for a 6-kW automotive alternator and has a wide field-weakening range. Initial experimental results revealed a high iron loss during field-weakening operation. Finite-element analysis was used to investigate the cause of the high iron losses and to predict their magnitude as a function of speed. The effects of changes in the machine design were examined in order to reduce iron losses and hence improve the machine performance |
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