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首页> 外文期刊>Mathematical Problems in Engineering >Loss Prediction and Thermal Analysis of Surface-Mounted Brushless AC PM Machines for Electric Vehicle Application Considering Driving Duty Cycle
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Loss Prediction and Thermal Analysis of Surface-Mounted Brushless AC PM Machines for Electric Vehicle Application Considering Driving Duty Cycle

机译：考虑驱动占空比的电动汽车用表面贴装无刷交流永磁电机的损耗预测和热分析

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摘要

This paper presents a computationally efficient loss prediction procedure and thermal analysis of surface-mounted brushless AC permanent magnet (PM) machine considering the UDDS driving duty cycle by using a lumped parameters' thermal model. The accurate prediction of loss and its variation with load are essential for thermal analysis. Employing finite element analysis (FEA) to determine loss at every load point would be computationally intensive. Here, the finite element analysis and/or experiment based computationally efficient winding copper and iron loss and permanent magnet (PM) power loss models are employed to calculate the electromagnetic loss at every operation point, respectively. Then, the lumped parameter thermal method is used to analyse the thermal behaviour of the driving PM machine. Experiments have been carried out to measure the temperature distribution in a motor prototype. The calculation and experiment results are compared and discussed.
机译：本文提出了一种计算有效的损耗预测程序，并通过使用集总参数的热模型考虑了UDDS驱动占空比，对表面安装式无刷交流永磁（PM）电机进行了热分析。损耗及其随负载变化的准确预测对于热分析至关重要。使用有限元分析（FEA）确定每个负载点的损耗将需要大量计算。此处，基于有限元分析和/或实验的计算有效的绕组铜铁损耗和永磁（PM）功率损耗模型分别用于计算每个操作点的电磁损耗。然后，使用集总参数热方法来分析驱动永磁电机的热性能。已经进行了实验以测量电动机原型中的温度分布。比较和讨论了计算结果和实验结果。

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