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首页> 外文期刊>IEEE Transactions on Magnetics >Loss Reduction Optimization for Heat Capacity Improvement in Interior Permanent Magnet Synchronous Machine
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Loss Reduction Optimization for Heat Capacity Improvement in Interior Permanent Magnet Synchronous Machine

机译:减少损耗优化以提高内部永磁同步电机的热容量

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摘要

In this paper, the optimization for the reduction of copper loss, iron loss, and permanent magnet (PM) eddy current loss considering harmonics is carried out to improve thermal performance. The effect in terms of thermal performance is confirmed through thermal analysis using a lumped-parameter thermal network (LPTN). First, the optimal shape is determined using an automatic optimization method that combines the explorative particle swarm optimization algorithm and finite element analysis. Then, the iron loss and PM eddy current loss considering carrier harmonics are recalculated by inputting the actual pulsewidth modulation current. Finally, an LPTN-based thermal analysis is performed with the calculated loss as the input. In particular, the thermal parameter is confirmed through an experimental method to validate the accuracy of the thermal analysis. The advantages over the conventional motor are clarified.
机译:在本文中,针对降低谐波的铜损,铁损和永磁体(PM)涡流损耗进行了优化,以改善热性能。通过使用集总参数热网络(LPTN)进行热分析,可以确认热性能方面的影响。首先,使用结合了探索性粒子群算法和有限元分析的自动优化方法确定最佳形状。然后,通过输入实际的脉宽调制电流,重新计算考虑了载波谐波的铁损和PM涡流损失。最后,将计算出的损耗作为输入,执行基于LPTN的热分析。特别地,通过实验方法确认热参数以验证热分析的准确性。明确了与常规电动机相比的优点。

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