Abstract

Switched Reluctance Motor has numerous advantages compared to another electric motor. Simple structure, low-cost production, robustness, and high fault tolerance have been remarkable milestones. Still, the problem of excitation angle at power converter becomes crucial, especially for traction use, requiring higher torque at low speed for starting and acceleration. Therefore, this research emphasized finding the optimum excitation angle at low speed using Response Surface Methodology, a practical application to achieve the highest torque, as indicated by the best speed in the constant torque region. As a result, using Matlab simulation, the adaptive combination of optimum angles reached 2691 rpm quicker than a single excitation angle with 2568 rpm, an increase of 4.79% higher speed using RSM optimization. According to the experimental data, the adaptive combination of optimum angle achieved 2475 rpm better than the single excitation angle reached 2340 rpm, an increase of 5.77% higher speed using the Response Surface Methodology.

Highlights

  • Switched Reluctance Motor (SRM) has numerous advantages compared to previous electric motors.Simple structure with no winding construction in the rotor side, low cost due to the absence of permanent magnet robustness, and high fault tolerance

  • The SRM used in the simulation is a 6/4, 12 volts with a threephase asymmetric bridge converter

  • The current tends to decrease around t = 8.55 seconds and become the boundary for the simulation time to find the optimum excitation angle within this constant torque region ωb

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Summary

Introduction

Switched Reluctance Motor (SRM) has numerous advantages compared to previous electric motors.Simple structure with no winding construction in the rotor side, low cost due to the absence of permanent magnet robustness, and high fault tolerance. The ability to operate in a harsh environment and suitable for highspeed operation become better than other motors [1], [2], yet ideal for electric vehicles [3]–[5]. Another advantage of SRM is its firm structure, heat tolerance, fast response, high starting torque, high efficiency, and wide operating range become the other benefits [6], [7]. Besides the advantage of SRM, torque ripple, acoustic noise, and demand unique control requirements become the SRM weakness [8]–[10]. One of the problems of SRM is the complex control of the electronic power converter used to feed the machines [11], and the excitation angle requires special consideration [12]

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