학술논문

Design of Direct Current excited Reluctance Motor for torque density improvement
Document Type
Conference
Author
Source
2023 11th International Conference on Power Electronics and ECCE Asia (ICPE 2023 - ECCE Asia) Power Electronics and ECCE Asia (ICPE 2023 - ECCE Asia), 2023 11th International Conference on. :860-865 May, 2023
Subject
Components, Circuits, Devices and Systems
Engineering Profession
Fields, Waves and Electromagnetics
General Topics for Engineers
Power, Energy and Industry Applications
Robotics and Control Systems
Transportation
Torque
Asia
Stators
Switched reluctance motors
Power electronics
Torque measurement
Current density
Rare earth-free motor
segmental rotor
torque improvement
torque ripple
Language
ISSN
2150-6086
Abstract
In this paper, optimal design method of Direct Current excited Reluctance Motor (DCRM) is investigated to improve torque density. A 12/8 DCRM was optimized and analyzed by finite elemental method in this study. The result of optimization revealed that widened the stator pole width and yoke width improved average torque by suppressing magnetic saturation. In addition, it was showed that torque ripple is reduced by making the armature poles and the excitation poles different pole width in the stator poles. As a comparison result with Switched Reluctance Motor (SRM), it was shown that the average torque of DCRM was equal to or better than that of SRM which the same size as DCRM.Furthermore, it was shown that the optimized DCRM has a lower torque ripple than SRM. In addition, it was shown that the efficiency of DCRM is higher than that of SRM at high and low load conditions.