| Driving Condition-Based Design and Performance Analysis of Wound-Field Synchronous Motor in Electric Vehicles |
| Dong-Min Kim1, Min-Ro Park2 |
1Department of Automotive Engineering, Honam University, Gwangju 62399, Korea
2Department of Electrical Engineering, Soonchunhyang University, Asan 31538, Korea |
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Received: February 21, 2025; Revised: April 1, 2025 Accepted: April 14, 2025. Published online: June 25, 2025. |
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| ABSTRACT |
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This paper proposes a methodology to enhance and evaluate the energy efficiency of an electric vehicle (EV) equipped with a wound-field synchronous motor (WFSM). The study introduces a systematic approach that includes: (1) a motor specification determination method based on EV driving conditions, considering vehicle parameters, driving cycles, and resistive forces derived from mathematical analysis; (2) a WFSM design strategy aimed at improving energy efficiency, incorporating optimal selection of magnetic materials and conductors, geometric design optimization, and loss evaluation using both analytical and finite element methods; (3) performance analysis of the EV equipped with the designed WFSM through vehicle simulations; and (4) experimental validation of the proposed design and analysis framework. The findings of this study provide a structured and practical approach to optimizing WFSMs for EV applications, contributing to the development of more energy-efficient and high-performance electric propulsion systems. |
| Key Words:
Driving condition · Electric vehicle · Energy efficiency · Wound-field synchronous motor |
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Corresponding Author.
Min-Ro Park , Email. 
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