高速动车组永磁同步牵引电动机热管理技术研究  

Research on Thermal Management Technology of Permanent-Magnet Synchronous Traction Motor for CRH Train

作　　者：罗英露 李伟业 李奎 Luo Yinglu;Li Weiye;Li Kui(CRRC ZIC Research Institute of Electrical Technology&Material Engineering,Zhuzhou 412001,China;Xiangyang CRRC Electric Machine Technology Co.,Ltd.,Xiangyang 441000,China)

机构地区：[1]中车株洲所电气技术与材料工程研究院,湖南株洲412001 [2]襄阳中车电机技术有限公司,湖北襄阳441000

出　　处：《防爆电机》2023年第1期1-5,共5页Explosion-proof Electric Machine

基　　金：湖南省创新型省份建设专项轨道交通高速永磁驱动电机关键技术研究(2022GK2062)。

摘　　要：针对高速动车组永磁牵引电机高功率密度、高效率的技术要求,介绍传统冷却方式下电机的冷却存在的问题,创新性地提出了新型多路并联全域高效冷却结构,详细说明了新型水冷结构的设计、仿真以及试验验证结果。试验结果表明,该永磁电机冷却结构设计合理,在各种工况下均温度分布合理、具有良好的性能表现,满足高速动车组复杂的运用工况要求,同时性能指标优于国外竞争对手。Aiming at the technical requirements of high-power density and high-efficiency permanent-magnet traction motor for CRH train,this paper introduces the cooling problem of motor under traditional cooling mode,innovatively puts forward a new multi-channel parallel global high-efficiency cooling structure,and explains the design,simulation and experimental verification results of the structure in detail.The test results show that the motor has the advantages of reasonable design of cooling structure,reasonable temperature distribution under various working conditions and good performance appearance.It both meets the requirements of complex operating conditions of CRH train and is better than that of foreign competitors in performance index.

关 键 词：永磁电机 机壳水冷 热仿真 高速动车组 

分 类 号：TM301.41[电气工程—电机]