混合式多模块直流-直流转换器通过宽带间隔装置加速,用于电动汽车系统
Abdul Waheed1, Saif Ur Rehman1, Faisal Alsaif2
1Department of Electrical Engineering, The Superior University, Lahore, 54000, Pakistan.
Scientific reports
|February 27, 2024
概括
使用绝缘门双极晶体管 (IGBT) 和金属半导体场效应晶体管 (MESFET) 模块的新型混合多模块直流直流转换器为电动汽车 (EV) 提供高效的快速充电. 这种创新的设计实现了99.25%的功率效率和高功率密度.
科学领域:
- 电气工程 电气工程
- 电力电子 电力电子 电力电子
- 电动汽车技术 电动汽车技术
背景情况:
- 快速充电电动汽车 (EV) 的日益增长的需求需要先进的功率转换解决方案.
- 现有的直流-直流转换器在平衡效率,功率密度和充电速度方面面临限制.
- 混合拓通过结合不同的半导体技术来提高性能.
研究的目的:
- 介绍一款新的混合多模块直流-直流转换器,用于快速充电电动汽车.
- 在单个转换器中利用绝缘门双极晶体管 (IGBT) 和金属半导体场效应晶体管 (MESFET) 模块的优势.
- 制定统一的功率分配的控制策略,并评估转换器的性能.
主要方法:
- 使用双活性桥 (DAB) 拓的混合多模块直流-直流转换器的设计.
- 集成了四个IGBT模块用于高功率/低频和四个MESFET模块用于低功率/高频.
- 开发一个小信号模型和模块功率共享的控制策略.
- 使用MATLAB进行模拟,以验证性能和充电电流统一性.
主要成果:
- 实现了99.25%的功率效率.
- 达到10.99kW/L的功率密度.
- 通过模拟证实了对电动汽车电池的均充电电流分布.
- 证明了结合IGBT和MESFET模块的好处,以提高性能.
结论:
- 拟议的混合多模块直流-直流转换器是快速充电电动汽车的可行解决方案.
- 该设计提供了高效率,功率密度和开关速度.
- 未来的研究可以探索宽带间隔设备,以进一步改进动力处理.
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