【作者】 李金键；

【导师】 冯晓云；

【作者基本信息】 西南交通大学 ， 电力电子与电力传动， 2013， 硕士

【摘要】 车网电耦合仿真指牵引供电系统与列车运行基于牵引传动系统功率-网压特性的耦合仿真。该研究基于教育部修购项目“列车运行与传动控制综合仿真实验室建设”,是新建实验室列车运行综合仿真平台重要组成部分。该部分决定平台的核心数据生成,为列车运行综合仿真平台的其它子模块提供数据支撑。该模块能够模拟列车群运行,考虑牵引系统实际发挥功率,解算出列车网压。基于该平台既可以进行以抑制网压波动和提高列车再生制动能量利用率等为优化目标的列车自动驾驶策略研究或列车群控策略研究,也可以协助铁路设计生产工程师对系统设计方案进行分析与校验,指导实际工作。因此,研究高速铁路车网电耦合仿真对于搭建列车运行综合仿真平台和研究列车群优化控制算法均有非常重要的理论意义和实际意义。本文以列车运行、牵引供电系统及车网电耦合关系为研究对象,在剖析牵引供电系统和列车运行的功能及两者电耦合关系的基础上,借助Visual C++和HLA/pRTI分布式仿真软件,最终在列车运行综合仿真平台中实现车网电耦合模拟仿真。论文首先分析列车单车运行模型及控制策略,并简要阐述了多车模型；接着分析牵引供电系统功能及模型构建方法和车网电耦合关系；然后详细介绍了综合仿真平台的架构与执行流程,对列车运行与牵引供电系统仿真模块数据结构、接口、计算流程及实现思路进行重点分析与阐述。最后以某条高速铁路线路为案例进行了仿真,模拟列车群运行,实时耦合解算牵引供电系统,对比分析列车在线需求功率与固定需求功率所得网压值；对比分析列车工况与列车网压关系；模拟极端低压工况,分析了耦合特性在低压工况时网压与列车群中各列车实际发挥功率的相互作用。针对高速铁路车网电耦合仿真平台设计,将牵引供电系统模型和列车群模拟运行分成独立节点,应用分布式仿真技术,优化数据交互与仿真推进。大量仿真实例表明,该系统架构设计仿真同步性好,数据传输效率高,有效的加快了整体仿真进度。针对多列车牵引供电仿真,将列车的不同工况、需求功率作为影响因素,引入牵引供电潮流解算,耦合计算结果表明考虑车网电耦合特性的模型比其它模型更加准确地解算网压。列车运行综合仿真调试证明,车网电耦合模块的功能和性能达到了预期目标。更多还原

【Abstract】 The electrical coupled simulation of the trains and network in this paper refers to the coupling simulation between traction power supply system and trains operation system based on the power of traction drive and network voltage characteristics. The subject of this paper is one of the most important parts of the new laboratory of train operation simulation platform, which is the Ministry of Education Repair Purchased Items of "Train Control and Traction Drive Integrated Simulation Platform". It generates core data in the platform that can support other sub-modules of the integrated simulation platform. The system of traction power supply can calculate train voltage considering characteristics of traction drive power and the network voltage. The platform supports the subject of train group optimization control in order to reduce train energy consumption, such as reducing the train voltage fluctuations and increasing utilization of train regenerative braking energy. It also can help engineering design or production of the railway system to design and analyze actual design work. So it is very important for us to research the topic of electrical coupled simulation between the trains and traction power supply system at the train simulation platform, in order to research the train group control optimization algorithm.The object in this paper contains the train operation, the traction power supply system and electrical coupled relationship. On the basis of analysis of structure and function of traction power supply system and train running, we achieve the goal by software of Visual C++and HLA/pRTI. At first the paper analyzes the train running model, control strategy and multi-train model. At the same time it analyzes the mathematical description and network electrical coupled between the traction power supply systems and trains to build the simulation model of traction power supply system. After that, it describes the platform framework of the train operation simulation, data structures, interfaces and the calculation process in train operation simulation system and traction power supply system. Finally, the simulation of the train operation in the traction power supply system shows the correspondence between the train operating conditions and the net voltage. The simulation of the extremely low pressure conditions explains the interaction of voltage and trains actual power in coupling characteristics.The electrical coupled simulation platform of high-speed trains and network divides the traction power supply system model and the train group model into separate nodes. Based on distributed simulation technology, we have achieved the data exchange and logical interaction exchange. A lot of simulation results show that the system architecture has good simulation synchronization, high data transmission efficiency, which can speed up the progress of the overall simulation.更多还原