A Comparison of Electromagnetic Behaviour in Classical and Mutually Coupled Switched Reluctance Generators

M. Heidarian, Adam P. R. Taylor, Tim Anderson
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Abstract

The paper presents a comparison of the electromagnetic characteristics of a classical Switched Reluctance Generator (SRG) to that of a new type of SRG called the mutually coupled SRG (MCSRG). ANSYS finite element 2D models for both SRGs with the same structure and working parameters but different forms of winding were created, current and torque characteristics and core loss for both types were calculated in a complete cycle of excitation, and results are compared and presented for the first time. While the average current in the mutually coupled SRG is 13.44% (2.26 A) more than classical SRG, its ripple is 1.19% less. Furthermore, the core loss of the mutually coupled SRG in a 360 electrical degree rotation is 1.38% (0.42 W) less than classical SRG's core loss. The average input torque for mutually coupled SRG is 10.51 % (0.51 N.m) less than that of classical SRG's but its ripple is 12.48% more. The results show that the advantages of winding an SRG in a mutually coupled form outweigh its disadvantages.
经典和互耦合开关磁阻发生器的电磁特性比较
本文比较了传统开关磁阻发生器(SRG)和一种新型互耦合开关磁阻发生器(MCSRG)的电磁特性。建立了结构和工作参数相同但绕组形式不同的两种srg的ANSYS有限元二维模型,计算了两种srg在一个完整励磁周期内的电流、转矩特性和铁芯损耗,并首次对结果进行了比较。互耦合SRG的平均电流比传统SRG高13.44% (2.26 A),纹波却小1.19%。此外,相互耦合的SRG在360度电旋转下的铁芯损耗比经典SRG的铁芯损耗小1.38% (0.42 W)。相互耦合SRG的平均输入转矩比传统SRG的平均输入转矩小10.51% (0.51 N.m),而纹波增大12.48%。结果表明,以相互耦合形式缠绕SRG的优点大于缺点。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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