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运行图驱动的城轨供电系统负荷过程动态仿真

刘炜 刘童童 王辉 李鲲鹏 张戬 桑国阳 吴拓剑

刘炜, 刘童童, 王辉, 李鲲鹏, 张戬, 桑国阳, 吴拓剑. 运行图驱动的城轨供电系统负荷过程动态仿真[J]. 西南交通大学学报, 2022, 57(5): 967-975. doi: 10.3969/j.issn.0258-2724.20200752
引用本文: 刘炜, 刘童童, 王辉, 李鲲鹏, 张戬, 桑国阳, 吴拓剑. 运行图驱动的城轨供电系统负荷过程动态仿真[J]. 西南交通大学学报, 2022, 57(5): 967-975. doi: 10.3969/j.issn.0258-2724.20200752
LIU Wei, LIU Tongtong, WANG Hui, LI Kunpeng, ZHANG Jian, SANG Guoyang, WU Tuojian. Dynamic Simulation of Load Process for Urban Rail Power Supply System Driven by Operation Diagram[J]. Journal of Southwest Jiaotong University, 2022, 57(5): 967-975. doi: 10.3969/j.issn.0258-2724.20200752
Citation: LIU Wei, LIU Tongtong, WANG Hui, LI Kunpeng, ZHANG Jian, SANG Guoyang, WU Tuojian. Dynamic Simulation of Load Process for Urban Rail Power Supply System Driven by Operation Diagram[J]. Journal of Southwest Jiaotong University, 2022, 57(5): 967-975. doi: 10.3969/j.issn.0258-2724.20200752

运行图驱动的城轨供电系统负荷过程动态仿真

doi: 10.3969/j.issn.0258-2724.20200752
基金项目: 国家自然科学基金(51607148)
详细信息
    作者简介:

    刘炜(1982—),男,副教授,博士生导师, 研究方向为牵引供电系统理论与仿真、再生制动能量利用、杂散电流,E-mail:liuwei_8208@swjtu.cn

  • 中图分类号: U223.6

Dynamic Simulation of Load Process for Urban Rail Power Supply System Driven by Operation Diagram

  • 摘要:

    针对城轨供电系统采用平铺运行图进行负荷过程仿真分析与实际负荷过程差别大,不能准确反应供电系统运营阶段的诸多问题,将运行图中各列车运行时分作为约束条件,建立列车定时节能运行的指标函数,以提高仿真模型准确性;基于固定阶梯级目标速度搜索算法优化列车操纵序列,还原多列车具有电气信息的运行轨迹;以实迹运行图为驱动,实现了供电系统正常运行与异常情形下的负荷过程仿真分析. 算例分析结果表明:基于实迹运行图的仿真结果与实测牵引变电所负荷过程曲线的Pearson相关系数在0.89以上,负荷过程特征值仿真与实测的最大误差不超过6.85%,较平铺运行图仿真结果准确度最高可提升12.91%.

     

  • 图 1  运行图简化示意

    Figure 1.  Simplified train operation diagram

    图 2  列车运行过程划分

    Figure 2.  Division of train operation process

    图 3  牵引所与车站位置分布

    Figure 3.  Locations of traction stations and stations

    图 4  仿真结果

    Figure 4.  Simulation results

    图 5  区间运行过程对比

    Figure 5.  Comparison of running sections

    图 6  运行图对比

    Figure 6.  Operation diagram comparison

    图 7  整流机组电流仿真与实测曲线对比

    Figure 7.  Comparison of current simulation and measured curve of rectifier unit

    图 8  逆变回馈装置电流仿真与实测曲线对比

    Figure 8.  Comparison of current simulation and measured curve of inverter feedback device

    图 9  牵引所与车站位置分布

    Figure 9.  Locations of traction stations and stations

    图 10  钢轨电位仿真与实测数据对比

    Figure 10.  Comparison of simulated and measured rail potential

    表  1  车站位置信息

    Table  1.   Information of station locations

    车站编号位置/km车站编号位置/km
    1 0.243 6 13.900
    2 2.456 7 18.461
    3 4.568 8 23.322
    4 7.804 9 25.650
    5 10.670
    下载: 导出CSV

    表  2  车公里能耗与吨公里能耗实测与仿真对比

    Table  2.   Comparison of measured and simulated energy consumption of trains per km and per ton-km kW•h

    工况车公里能耗吨公里能耗
    CaseA12.1790.045
    CaseA22.2980.047
    CaseA32.1710.045
    下载: 导出CSV

    表  3  高峰小时负荷过程统计表

    Table  3.   Statistics of load process at peak hour

    工况整流机组
    电流/A
    逆变装置
    电流/A
    牵引
    能耗/
    (kW•h)
    反馈
    能量/
    (kW•h)
    装置节
    能率/%
    均值峰值均值峰值
    CaseB1262.41508.536.2708.6514.45077.57015.0
    CaseB2294.11471.239.7597.6580.83090.81016.5
    CaseB3280.41488.338.3698.2547.90082.61015.0
    下载: 导出CSV
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出版历程
  • 收稿日期:  2020-11-09
  • 修回日期:  2021-02-13
  • 网络出版日期:  2022-08-31
  • 刊出日期:  2021-04-07

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