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In this paper, electromagnetic design and permanent magnet shape optimization for permanent magnet synchronous generator with hybrid excitation are investigated. Based on generator structure and principle, design outline is presented for obtaining high efficiency and low voltage fluctuation. In order to realize rapid design, equivalent magnetic circuits for permanent magnet and iron poles are developed...
Different from permanent magnet synchronous machine, switched reluctance motor(SRM) is featured as high local flux density, high current variation ratio in the winding with medium, high power and high speed. Therefore, hot spots in the winding could be caused by eddy current effect. When current flows through winding, skin effect is generated by the high frequency alternating current due to the high...
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