交通装备电气化高密度技术研究与展望

Research and Perspectives on High-Power-Density Electrification Technologies for Transportation Equipment

随着国家“双碳”目标不断推进,能源结构持续优化,交通装备电气化作为一种低碳、环保的解决方案,已成为交通行业发展的重要趋势。文章以交通装备电气化高密度技术发展为研究方向,重点探讨了“器件-组件-装备-系统-架构”链条式高密度关键技术路线,并以中车株洲所的产品为例,通过研究变流高频化、器件定制化、装备硅基化、结构一体化和组网多元化5个高密度设计关键技术和热管理、电磁兼容、可靠性3项高密度共性技术对于提升交通装备性能、效率和可靠性的关键作用,概述了交通装备向更大功率、更轻重量、更小体积等方向发展的研究现状。展望未来,建议交通装备电气化高密度技术从创新链、智能化、新型功率半导体器件技术、安全性4个方面持续创新和发展,为交通行业的绿色转型和可持续发展提供有力支撑。

With the continuous advancement of China's"dual carbon"goals and the ongoing optimization of the energy mix,the electrification of transportation equipment,as a low-carbon and environmentally-friendly approach,has become an important development trend in the transportation industry.This paper presents the exploration in high-power-density electrification technologies for transportation equipment,focusing on those in the chain-type key technology routes encompassing devices,components,equipment,systems and architectures.Taking products supplied by CRRC Zhuzhou Institute Co.,Ltd.as an case study,detailed investigations were made into five key technologies for high-power-density design:high-frequency converters,customized devices,silicon-based equipment,structural integration,and diversified networking,and three high-power-density generic technologies:thermal management,electromagnetic compatibility,and reliability,highlighting their key roles in improving the performance,efficiency,and reliability of transportation equipment.The study summarizes the current research status concerning the development of transportation equipment towards higher power,lighter weight,and smaller size.For future development in high-power-density electrification technologies,this paper suggests a focus on continuous innovation and development in four areas:the innovation chain,intelligent systems,new power semiconductor device technologies,and safety.The research outcomes provide strong support for the green transformation and sustainable development of the transportation industry.