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Electromagnetic field analysis of novel low cogging force, linear switched reluctance motor, based on 2-D finite element method

机译：基于二维有限元方法的新型低齿槽力线性开关磁阻电动机的电磁场分析

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This paper deals with electromagnetic design and 2-D (two-dimensional) magnetic field analysis of novel low force ripple linear switched reluctance (LSR) motor. The configuration that has been presented here has a higher number of rotor poles than stator poles, and the purpose of this configuration is to improve the force ripple, which is the weak point of LSRMs. In order to illustrate the conformity of the design parameter’s stage in this study, the calculated values of the magnetic field and cogging force characteristics are compared with that of their desired values. Also, the proposed configuration is compared to a 6-4 and 3-phase conventional LSRM with similar number of stator teethes, number of phases, and constraints in volume. From the numerical analysis of a proposed novel configuration, it has been observed that this machine produces higher force per unit volume and almost similar cogging force when compared to a conventional LSRM with identical number of stator teethes, number of phases, and constraints in volume. The obtained primary electric and magnetic characteristics for the proposed configuration are verified with the help of 2-D FE computations.
机译：本文研究新型低力纹波线性开关磁阻（LSR）电动机的电磁设计和二维（二维）磁场分析。此处介绍的配置具有比定子磁极更多的转子磁极，这种配置的目的是改善力纹波，这是LSRM的弱点。为了说明本研究中设计参数阶段的一致性，将磁场和齿槽力特性的计算值与其期望值进行了比较。而且，将所提出的配置与具有相似数量的定子齿，相数和体积约束的6-4相和3相常规LSRM进行了比较。从提出的新颖配置的数值分析中，已经观察到，与具有相同定子齿数，相数和体积约束的常规LSRM相比，该电机每单位体积产生的力更高，并且齿槽力几乎相似。在二维有限元计算的帮助下，验证了所提出配置的主要电气和磁特性。

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