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对于低功率脉冲充电器的高功率运动式感应充电器的新设计
Ahmed A Shaier1, Ahmed A S Mohamed2, Hamid Metwally1
1Electrical Power and Machines Department, Faculty of Engineering, Zagazig University, Zagazig, Egypt.
Scientific reports
|October 19, 2023
概括
本研究介绍了一种双D磁性合器,用于高效的无线电动汽车充电. 像频率控制和磁化混凝土这样的技术可以显著提高功率传输和效率,特别是在移动充电时.
科学领域:
- 电气工程 电气工程
- 电磁学 电磁学 电磁学 电磁学
- 汽车技术 汽车技术
背景情况:
- 无线电力传输对于电动汽车 (EV) 充电至关重要.
- 磁性合器是通过电磁场无线传输电力的关键组件.
- 在运动中的感应充电需要强大而高效的磁设计.
研究的目的:
- 提出和分析一个双D (DD) 磁性合器设计,用于移动电动汽车的感应充电.
- 调查错位对系统性能的影响.
- 探索提高输出功率和效率的方法.
主要方法:
- 使用有限元法 (FEM) 来确定合器和补偿参数的计算建模.
- 线圈,磁性和金属屏蔽的设计优化.
- 在各种错位条件下分析自身和相互电感,输出功率和传输效率.
主要成果:
- 拟议的DD磁性合器在250毫米的空隙中实现200千瓦的功率传输,在85千赫时91.88%的效率.
- 操作频率控制和磁化混凝土集成显著提高了输出功率 (高达72.51%) 和效率 (高达60.76%).
- 基于100米赛道的尺寸,重量和成本对这些增强技术进行了比较分析.
结论:
- DD磁性合器设计适用于高功率的移动无线电动汽车充电.
- 频率控制和磁化混凝土是克服错位挑战和提高性能的有效策略.
- 提出的解决方案为实现更高效,更实用的无线充电基础设施提供了可行的途径.
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