电工技术学报  2022, Vol. 37 Issue (zk1): 153-162    DOI: 10.19595/j.cnki.1000-6753.tces.L90518
电力系统与综合能源 |
城轨柔性牵引供电系统及优化控制研究
张钢1,2, 郝峰杰1,3, 王运达1, 龙赤宇1, 李梦和4
1.北京交通大学电气工程学院 北京 100044;
2.北京市轨道交通电气工程技术研究中心 北京 100044;
3.中国长江三峡集团有限公司 北京 100038;
4.南宁轨道交通集团有限公司 南宁 530029
Research on Urban Rail Transit Flexible Traction Power Systems and Optimal Control
Zhang Gang1,2, Hao Fengjie1,3, Wang Yunda1, Long Chiyu1, Li Menghe4
1. School of Electrical Engineering Beijing Jiaotong University Beijing 100044 China;
2. Beijing Engineering Research Center of Electric Rail Transportation Beijing 100044 China;
3. China Three Gorges Corporation Beijing 100038 China;
4. Nanning Rail Transit Corporation Nanning 530029 China
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摘要 针对传统牵引供电系统存在的列车再生能量利用不充分、直流供电波动大、交流网功率因数偏低等问题,提出一种引入双向变流器的柔性牵引供电系统方案。介绍了柔性牵引供电系统的几种典型工作模式,以及其中双向变电所的实现方案。研究了双向变流器的建模、直流特性优化、分散式无功补偿等关键技术,提出柔性供电系统分层控制结构,实现对交直流混合系统的柔性控制。建立城轨柔性供电系统仿真模型,并对典型应用场景下系统功能和性能进行仿真,实现了系统的综合优化。
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关键词 城市轨道交通柔性牵引供电混合节能    
Abstract:In order to solve the problems of the traditional traction power supply system, such as the insufficient utilization of the regenerative energy of trains, the large fluctuation of DC power supply, the low power factor of AC network, a flexible traction power supply system scheme with the introduction of bidirectional converter is proposed. This paper introduces several typical working modes of flexible traction power supply system and the realization scheme of bidirectional substation. The key technologies such as bidirectional converter modeling, DC characteristic optimization and decentralized reactive compensation are studied. The hierarchical control structure of flexible power supply system is proposed to realize the flexible control of AC-DC hybrid system. The simulation model of urban rail flexible power supply system is established, and the system function and performance under typical application scenarios are verified, and the comprehensive optimization of the system is realized.
Key wordsUrban rail transit    flexible    traction power supply    hybrid    energy saving   
收稿日期: 2020-07-12     
PACS: U223.6  
基金资助:中央高校基本科研业务费专项资金资助项目(2018JBZ004)
通讯作者: 张 钢 男,1982年生,副教授,研究方向为电力电子与控制,包括大功率牵引变流器、并网逆变器和地铁节能技术。E-mail:gzhang@bjtu.edu.cn   
作者简介: 郝峰杰 男,1987年生,博士,研究方向为柔性直流输电技术。E-mail:16117396@bjtu.edu.cn
引用本文:   
张钢, 郝峰杰, 王运达, 龙赤宇, 李梦和. 城轨柔性牵引供电系统及优化控制研究[J]. 电工技术学报, 2022, 37(zk1): 153-162. Zhang Gang, Hao Fengjie, Wang Yunda, Long Chiyu, Li Menghe. Research on Urban Rail Transit Flexible Traction Power Systems and Optimal Control. Transactions of China Electrotechnical Society, 2022, 37(zk1): 153-162.
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