Analysis of Electromagnetic Parameters of Switched Reluctance Motors Taking Influence of Rotor and Stator pole angles into Account

In this paper, an analytic approach is developed for determining the electromagnetic parameters of switched reluctance motors (SRMs) taking influence of rotor and stator pole angles into account. This study focuses on computing the value of minimum inductance $\left(L_{\min}\right)$ and maximum inductance $\left(L_{\max}\right)$, and high order-harmonic components $\left(3^{\text{rd }}, 6^{\text{th}}, 9^{\text{th}}, 12^{\text{th}}\right.$, and $\left.15^{th}\right)$ of the torque with the variation of rotor angle $\left(\beta_{r}\right)$. Based on that, it can be defined a suitable $\beta r$ to the smallest value of the order harmonic components. The development method also allows to compute everage torque, powers, torque ripple and efficiency of the SRMs with the different speeds. The obtained results from the proposed method is compared to that from the experiment model to show the good agreement.