使用不对称的多堆燃料电池的燃料电池电动巴士的效率最大化
1Department of Mechanical Engineering, Myongji University, Yongin-si, 17058, Republic of Korea.
Heliyon
|December 6, 2024
概括
燃料电池电动公共汽车 (FCEB) 的新型不对称多堆燃料电池 (MFC) 系统提高了效率. 这种设计优化了能源分配,在现实驾驶条件下大大降低了燃料消耗.
科学领域:
- 可持续的运输可持续的运输
- 可再生能源系统可再生能源系统
- 汽车工程 汽车工程
背景情况:
- 燃料电池电动汽车 (FCEV) 对于环保运输至关重要.
- 多堆燃料电池 (MFC) 系统比单堆系统提供了更高的效率,可靠性和耐用性.
- 优化FCEV的能源管理是最大化性能和减少排放的关键.
研究的目的:
- 为燃料电池电动公共汽车 (FCEB) 提出和评估一种新的非对称多堆燃料电池 (MFC) 概念.
- 通过利用不对称的MFC结构来最大限度地提高FCEB的运营效率.
- 为拟议的MFC系统确定最佳的能源分配策略.
主要方法:
- 设计了一种新的不对称的MFC概念,使用不同额定功率堆的级联电气架构.
- 确定了堆之间的最佳能量分配,以利用整个功率范围内的高效率区域.
- 动态编程被用作能源管理战略的全球优化技术.
- 使用曼哈顿,河内和首尔的公共汽车驾驶周期来模拟FCEB的性能.
主要成果:
- 与传统的FCEB设计相比,拟议的不对称MFC系统显示了提高效率.
- 最佳的能量分配促进了燃料电池堆在它们的高效率区域的使用.
- 模拟显示,拟议的FCEB的总燃油消耗大幅减少.
- 能源管理战略的有效性在不同的驾驶周期中得到了验证.
结论:
- 新型不对称的MFC概念为提高FCEB的燃油效率提供了一个可行的策略.
- 这种方法使FCEB能够通过最大限度地减少燃料消耗来更可持续地运行.
- 该研究证实了优化的MFC系统在推进电动巴士技术方面的潜力.
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