Abstract
This article presents a new and powerful freeware software called MotorAnalysis-PM and discusses its application in electromagnetic design and analysis of permanent magnet (PM) motors for the electric vehicle (EV) industry. This new PM motor software utilizes both finite element (FE) and analytical methods to speed up the analysis and design process of PM motors significantly. The analysis and design methodology using MotorAnalysis-PM is presented and discussed for a 50 kW PM motor utilized in a commercial EV. To validate the accuracy of the software, the numerical results obtained from the PM motor design and analysis tool are compared with experimental results. The numerical and experimental results validate the flexibility of this software in achieving accurate motor design with short design times which is of great interest to EV and PM motor manufacturers.
Highlights
The development of high-performance permanent magnet (PM) motors in electric vehicles (EVs) presents engineers with the challenge of developing new designs to increase efficiency and power density while reducing the cost of the electromechanical devices [1]
Do they assist in better understanding of the behavior of the device under different operating conditions, and allow performance optimization and cost reduction through better material utilization and minimizing the number of prototypes required during the development process [4,5]
The PM motor design methodology proposed in this paper is intended to transform the conventional textbook design process from a generalized form to a definite workflow centered on the use of a computer-based simulation tool
Summary
The development of high-performance permanent magnet (PM) motors in electric vehicles (EVs) presents engineers with the challenge of developing new designs to increase efficiency and power density while reducing the cost of the electromechanical devices [1]. With the progress in computer and simulation technologies on the one hand and increasing demand for superior motor characteristics on the other hand, the advanced computer-based simulation tools become an essential part of the design process Do they assist in better understanding of the behavior of the device under different operating conditions, and allow performance optimization and cost reduction through better material utilization and minimizing the number of prototypes required during the development process [4,5]. SMEKlib is a library in which more attention has been given to the features and basic analysis tools, rather than the user interface Another popular tool for designing a PM motor which is available for free is JMAG-Express Public developed by the JSOL corporation [12].
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