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转子磁分路混合励磁同步电机电枢反应磁场与电感特性研究

, PP. 276-283

Keywords: 电枢反应,有限元分析,混合励磁,电感特性,不可逆退磁,转子磁分路

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Abstract:

提出转子磁分路混合励磁同步电机(HESM)的优化结构,探讨了磁场分布特性.通过与永磁同步电机(PMSM)的对比分析,研究了该电机的电枢反应磁场和电感特性.励磁绕组与磁分路结构的引入对该电机电枢反应磁场特性影响显著.电感特性由主磁路和磁分路的饱和程度共同决定,受到励磁电流和电枢电流的影响.在此基础上,分析了电感特性对其电动运行的影响,评估了永磁体的不可逆退磁风险.对比研究了一种新型HESM拓扑结构以研究结构变化对电感特性的影响.最后,研制了24kW转子磁分路HESM原理样机,三维有限元仿真与实验对比验证了其同步电感的变化规律.

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