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顾靖达,杨晓峰,郑琼林.非隔离型地铁机车工况模拟能量回馈系统[J].电源学报,2018,16(5):130-137
非隔离型地铁机车工况模拟能量回馈系统
Non-isolated Simulation System of Operating Conditions and Energy Feedback for Metro Locomotive
投稿时间:2017-07-14  修订日期:2018-01-09
DOI:10.13234/j.issn.2095-2805.2018.5.130
中文关键词:  城市轨道交通  牵引供电系统  地铁机车模拟  能量回馈
英文关键词:urban rail transit  traction power supply system  metro locomotive simulation  energy feedback
基金项目:国家重点研发计划资助项目(2016YFE0131700);中央高校基本科研业务费专项资金资助项目(2017JBM057,201 7YJS174)
作者单位E-mail
顾靖达 北京交通大学电气工程学院, 北京 100044  
杨晓峰 北京交通大学电气工程学院, 北京 100044 xfyang@bjtu.edu.cn 
郑琼林 北京交通大学电气工程学院, 北京 100044  
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中文摘要:
      提出一种基于升压单元和降压单元级联结构的非隔离型地铁机车工况模拟能量回馈系统,模拟地铁机车负载的典型运行工况与能量回馈过程。在升压单元和降压单元级联结构负电位线的不同位置串入2个二极管,并据此提出相应的占空比控制策略,实现两单元输入输出电流解耦。为验证模拟系统理论的正确性与控制策略的可行性,搭建传统牵引供电系统的数字仿真平台。仿真结果表明,模拟系统能够正确实现地铁机车负载的典型工况与能量回馈过程,因而在城市轨道交通牵引供电系统的相关研究中具有良好的应用前景。
英文摘要:
      Based on a cascade topology consisting of a step-up unit and a step-down unit, a novel type of non-isolated simulation system for metro locomotive is presented to simulate the typical operating conditions and energy feedback process of metro locomotive load. Combined with two diodes that are located at different positions on the cascade topology's negative-potential line, a duty ratio control strategy is proposed to decouple the input and output currents between the two units. A digital simulation platform of the traditional traction power system is built to verify the correctness of simulation system and the feasibility of control strategy. Simulation results show that the simulation system can correctly simulate the typical operating conditions of metro locomotive load, as well as the energy feedback process. As a result, it has a good application prospect in the related researches of urban rail transit.
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