基于DDRTS的高速铁路全并联AT牵引供电系统研究

摘要

Traction power supply system is an important subsystem of high-speed railways.Its safe and efficient operation is an important guarantee for the reliability of the high-speed railway.This article discusses the detail mathematical and circuit equivalent model of traction power supply system,builds a all-paralleling AT traction power supply simulation system based on DDRTS (Digital Dynamic Real-Time Simulator),analyzes and compares various types of faults with practical test.Simulation and experimental tests show that the system can accurately simulate current distribution under different types of actual faults and the different locations of actual faults.The system can provide the important theoretical basis for engineering design and application.%牵引供电系统是高速铁路的重要子系统之一,其安全和高效地运行是高速铁路可靠性运行的重要保障.本文详细讨论其数学等值模型,基于DDRTS(数字动态实时仿真)搭建了全并联AT高速铁路牵引供电仿真系统,进行不同类型的短路故障模拟仿真并与现场实测试验数据对比.试验和仿真结果表明:基于DDRTS建立的全并联AT牵引供电仿真系统,能够准确模拟实际供电线路不同故障情况下的电流分布情况.此系统的建立为牵引供电系统工程设计和应用提供重要的理论依据.