基于改进型等效氢耗的车用燃料电池混合动力系统能量管理方法研究
陈志1梁汝军1綦芳1燕雨2
Research on Energy Management Method of Fuel Cell Hybrid Power System Based on Improved Equivalent Hydrogen Consumption
CHEN Zhi1LIANG Rujun1QI Fang1YAN Yu2
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作者信息:1.中车南京浦镇车辆有限公司， 210031， 南京
2.郑州大学电气与信息工程学院， 450001， 郑州
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Affiliation:1.CRRC Nanjing Puzhen Co., Ltd., 210031, Nanjing, China
2.School of Electrical and Information Engineering, Zhengzhou University, 450001, Zhengzhou, China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2024.05.005
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中图分类号/CLCN:TM911.4
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栏目/Col:研究报告
摘要:
［目的］等效氢耗作为一种针对燃料经济性优化的方法，其在储能系统荷电状态跟随方面表现欠佳，故需对其进行改进以实现区间荷电状态的动态平衡。［方法］在传统等效氢耗算法基础上，对系统的氢耗函数进行了优化；通过加入电压平衡系数，以确保超级电容在车辆运行过程中不会出现过充或过放的情况，进而通过极小值求解，实现了对系统功率的实时分配。［结果及结论］基于数轨电车的运行数据，对所提出的方法在半实物仿真平台上进行了验证。实验结果表明，所提出的改进型等效氢耗算法能够实现复杂工况下的混合动力系统能量分配，所加入的电压平衡系数能够保证车辆区间末端超级电容的电压在合理的区间内。
Abstracts:
［Objective］ Equivalent hydrogen consumption, as a method for optimizing fuel economy, performs poorly in following the state of charge of energy storage systems. Therefore, it is necessary to improve it to achieve dynamic balance of interval state of charge. ［Method］ Based on the conventional equivalent hydrogen consumption algorithm, the hydrogen consumption function of the system is optimized. By adding a voltage balance coefficient, it ensures that the supercapacitor will not be overcharged or over-discharged during vehicle operation. Then, through minimization solution, real-time allocation of power to the system is achieved. ［Result & Conclusion］ Based on the operational data of virtual-rail trams, the proposed method is validated on a semi-physical simulation platform. Experimental results show that the improved equivalent hydrogen consumption algorithm can achieve energy distribution of hybrid power systems under complex working conditions. The added voltage balance coefficient ensures that the voltage of the supercapacitor at the end of the vehicle interval remains within a reasonable range.
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