A high torque density dual-permanent-magnet machine for electric vehicle applications
The main objective of this work is to design a modern electric motor that is suitable for EV applications. In a conventional EV powertrain, it would house a high-speed motor with a mechanical gear system to achieve its desired torque performance. However, this would indulge in multiple disadvantage...
محفوظ في:
| المؤلف الرئيسي: | |
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| مؤلفون آخرون: | |
| التنسيق: | Thesis-Master by Coursework |
| اللغة: | English |
| منشور في: |
Nanyang Technological University
2024
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| الموضوعات: | |
| الوصول للمادة أونلاين: | https://hdl.handle.net/10356/181396 |
| الوسوم: |
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| الملخص: | The main objective of this work is to design a modern electric motor that is suitable for EV applications. In a conventional EV powertrain, it would house a high-speed motor with a mechanical gear system to achieve its desired torque
performance. However, this would indulge in multiple disadvantages such as
friction and windage losses, along with an increase in effective weight of the entire powertrain system (due to the gear assembly). To eliminate these issues, a direct-drive motor can serve as an alternative, avoiding the use of gears and
transmitting the torque directly to the vehicle’s wheel.
Thus, this dissertation report focuses on the design of a dual-permanent-magnet
excited (DPME) motor due to its advantageous characteristics, such as high
torque, and the robustness of its rotor. In this report, a 24/23 pole DPME
motor is designed and simulated using the JMAG software. The performance
parameters of the motor are analyzed under both no-load and load conditions.
Additionally, optimization analysis is conducted to determine the motor’s op-
timal performance point. Finally, the performance of the optimized model is
analyzed and compared with its counterpart motors with the same specification
and geometrical dimensions. |
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