适用于时速200km架空刚性接触网的受电弓关键参数分析
田彩冯超代洪宇
Analysis of Pantograph Key Parameters Suitable for 200 km/h Train Overhead Rigid Catenary
TIAN CaiFENG ChaoDAI Hongyu
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作者信息:广州地铁设计研究院股份有限公司，510010，广州
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Affiliation:Guangzhou Metro Design & Research Institute Co., Ltd., 510010, Guangzhou, China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2024.07.010
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中图分类号/CLCN:U264.34; U284.48
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栏目/Col:学术专论
摘要:
［目的］接触网与受电弓的匹配性直接影响弓网系统的受流性能，随着架空刚性接触网适用的列车运行速度等级逐渐提高，有必要开展与架空刚性接触网匹配的高速受电弓选型研究。［方法］基于有限元分析法建立了架空刚性接触网-受电弓耦合仿真模型，对适用于列车运行速度为200km/h架空刚性接触网的受电弓关键参数进行分析；利用正交试验设计法，研究了受电弓多结构参数同时变化对弓网动态性能的影响。［结果及结论］单一参数变化的相对最优取值为：弓头等效质量为6.4kg，下框架等效质量为6.6kg，下臂杆等效刚度为10N/m，弓头等效阻尼为40~60N·s/m，下臂杆等效阻尼为130N·s/m。弓头等效质量变化对弓网动态响应的影响最大，弓头等效刚度、弓头及上框架等效阻尼次之，下臂杆等效质量的影响最小。所获得的适用于列车运行速度为200km/h架空刚性接触网的受电弓优组合参数为:弓头等效质量为5.7kg，下臂杆等效质量为4.6kg，弓头等效刚度为10373N/m、弓头等效阻尼为60N·s/m，上框架等效阻尼为40N·s/m。
Abstracts:
［Objective］ The compatibility between the ORC (overhead rigid catenary) and the pantograph directly affects the current collection performance of the PC (pantograph-catenary) system. As the train operational speed levels applicable for the ORC gradually increase, it is necessary to carry out research on the selection of high-speed pantograph types that match the ORC. ［Method］ Based on finite element analysis method, an ORC-pantograph coupled simulation model is established. Key parameters of the pantograph suitable for ORC with a train operating speed of 200 km/h are analyzed. Using the orthogonal experimental design, the simultaneous variations in pantograph multiple structural parameters on PC dynamic performance are studied. ［Result & Conclusion］ The relative optimal values for single parameter change are as follows: the pantograph head equivalent mass is 6.4 kg, the lower frame equivalent mass is 6.6 kg, the lower arm equivalent stiffness is 10 N/m, the pantograph head equivalent damping is 40 to 60 N·s/m, and the lower arm equivalent damping is 130N·s/m. The change in pantograph head equivalent mass has the greatest impact on PC dynamic response, followed by pantograph head equivalent stiffness, pantograph head, and upper frame equivalent damping, while the impact of lower arm equivalent mass is the smallest. The obtained optimal pantograph combination parameters suitable for ORC with a train operating speed of 200 km/h are pantograph head equivalent mass of 5.7 kg, lower arm equivalent mass of 4.6 kg, pantograph head equivalent stiffness of 10 373 N/m, pantograph head equivalent damping of 60 N·s/m, and upper frame equivalent damping of 40 N·s/m.
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