Analysis of Two SRMs at the Same Power Density Per Volume using ANSYS/Maxwell
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Keywords:
Analysis, Ansys, Efficiency, Torque, SRMAbstract
Switched Reluctance Motors (SRMs) are old member of the electric machine family. Nowadays,
SRM is getting popular in academic fields and in industry, especially in electric vehicles, due to the
advantages of the offer such as high torque at low speed, simple structure and development of
semiconductor technologies such as Mosfet and Igbt companents. This paper proposes compare two
different SRMs at same power density per volume that are SRM 1 and SRM 2 about efficiency and torque
parameters using ANSYS/Maxwell software program. So we have focused on to give same or near input
values the motors to analyze and they are designed at same power density to comparasion. Design
parameters of motors are obtained from optimization studies. Analysis results are shown that the SRM 1 is
%3.64 efficier than the SRM 2 and also, the SRM 1 can produce 8.42 Nm torque more than the SRM 2.
But the torque ripple of the SRM 1 is more than the SRM 2 torque ripple. As a result, the SRM 1 is better
than SRM 2 for the electric vehicle applications such as e-scooter, e-bicycles and e-drones. For the future
studies, a torque control system can be apply to minimize torque ripples for better performances.
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