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首页> 外文会议>International Conference on Ecological Vehicles and Renewable Energies >Design optimization of a 12/8 Switched Reluctance Motor for electric and hybrid vehicles
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Design optimization of a 12/8 Switched Reluctance Motor for electric and hybrid vehicles

机译：用于电动和混合动力车辆的12/8开关磁阻电机的设计优化

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The Switched Reluctance Motor (SRM) is a magnetless type of electric motor that has recently received an increasing interest for electric and hybrid vehicle applications. One major advantage of SRMs is that they have the lowest material costs. On the other hand, they suffer from relatively high torque ripples, which can make the motor noisy and less efficient. In this paper, the design and optimization of a 12/8 toothed SRM is presented. The goal of the optimization was to analyze and modify the motor geometry in order to optimize the average torque while trying to minimize the torque ripples at the same time. The first step of the optimization consisted in finding the optimum number of winding turns: 7, which was lower than that of the initial design and allowed the rotor diameter to be increased by 24.9%. This resulted in an increase in average torque of 38.3 % and a decrease in torque ripples of 17.3 %. The next steps consisted in changing the shape of the winding slots by varying other geometrical dimensions and the rotor tooth width. It resulted in a non-negligible additional reduction in torque ripples of 10.2 % and in an average torque further improved by only 2.4 %. This shows that increasing the rotor diameter is the most effective way to increase the torque from the initial design considered, while the other parameters were already quite well dimensioned in this initial design.
机译：开关磁阻电动机（SRM）是一种无磁铁类型的电动机，最近在电动和混合动力汽车应用中受到越来越多的关注。 SRM的主要优势之一是它们具有最低的材料成本。另一方面，它们会遭受相对较高的转矩波动，这会导致电动机噪声较大且效率较低。本文介绍了12/8齿SRM的设计和优化。优化的目的是分析和修改电动机的几何形状，以优化平均转矩，同时尝试最小化转矩波动。优化的第一步是找到最佳的绕组匝数：7，比最初的设计要低，并且允许转子直径增加24.9％。这导致平均转矩增加了38.3 \％，转矩波动减少了17.3 \％。下一步包括通过改变其他几何尺寸和转子齿宽来改变绕组槽的形状。结果导致转矩脉动额外减少了不可忽略的10.2％，平均转矩仅进一步提高了2.4％。这表明，从所考虑的初始设计中增加转子直径是增加转矩的最有效方法，而在此初始设计中，其他参数的尺寸已经相当合理。

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