轨道交通车载混合储能技术研究进展*
石俊杰1时方力2安祺2刘禺贝2郭爱2戴朝华2
Research Progresson Rail Transit Vehicle On-board Hybrid Energy Storage Technology
SHI JunjieSHI FangliAN QiLIU YubeiGUO AiDAI Chaohua
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作者信息:1.中车唐山机车车辆有限公司,064099,唐山;
2.西南交通大学电气工程学院,610031,成都
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Affiliation:CRRC Tangshan Co., Ltd., 064099, Tangshan, China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2020.09.019
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中图分类号/CLCN:TK02; U260.13+3
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栏目/Col:研究报告
摘要:
以锂电池与超级电容构成的混合储能系统,充分利用了各自能量密度与功率密度的互补特性,在轨道交通车载储能领域受到高度关注,但效率优化仍亟待提高。分别从储能子系统和混合储能系统的角度,论述了混合储能系统能量效率优化的研究进展,归纳了影响子系统和系统能量效率的因素以及基于这些因素的优化方法。比较分析了这些因素的影响程度和优化方法的优劣,提出了当前混合储能系统在能量效率提高方面亟需解决的关键问题。给出了车载混合储能系统效率优化展望,为轨道交通车载动力系统设计与控制提供参考。
Abstracts:
The hybrid energy storage system composed of lithium battery and super-capacitor exerts the maximized complementary characteristics of energy density and power density from each part separately, therefore attracts great attention in the field of rail transit vehicle on-board energy storage, whereas the efficiency optimization requires immediate amelioration. From the perspectives of energy storage subsystem and hybrid energy storage system, the research progress on power efficiency optimization in hybrid energy storage system is elaborated, the factors affecting the subsystems, the efficiency of systems, and the optimization methods based on these factors are summarized. The influence level of these factors, the merits and demerits of the optimization methods are comparatively analyzed, key problems on energy efficiency improvement in hybrid energy storage system are put forward. Finally, the prospect of efficiency optimization of on-board hybrid energy storage system is presented, providing reference for the design and control of on-board power system in rail transit.
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