电气化铁路低频振荡研究综述

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摘要电气化铁路牵引供电系统中的低频振荡现象是随着我国新型交直交传动动车组与电力机车的大量投运而产生的新问题。参考国内外文献总结定义了两种类型的牵引网低频振荡,分别阐述了其特征。根据对国内低频振荡案例现场测试数据的分析,介绍了一种基于单相dq分解的检测手段。归纳了现有的对低频振荡的3种分析方法:时域仿真法、特征值法、频域分析法,比较了各自的优缺点。鉴于该现象是车网系统的匹配问题,从车与网两个角度总结了其抑制方法,并展望了今后的研究方向。

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	王晖吴命利

关键词 ：电气化铁路, 低频振荡, 时域仿真, 特征值分析, 频域分析

Abstract：Recently,there are several reports on the low-frequency oscillation phenomena in the traction power supply systems of Chinese electric railways.It’s a new issue after more and more AC-DC-AC drive Electric Multiple Units (EMUs) and locomotives have been put into service.According to the related domestic and foreign literatures,the low-frequency oscillation phenomena in the traction power supply system are classified into two types,whose main features are described respectively.After analyzing the on-site measured data of domestic low-frequency oscillation cases,a detection method based on the single-phase dq decomposition is introduced.The analysis methods for this phenomenon are summarized into 3 types,i.e.the time-domain simulation,the eigenvalue analysis,and the frequency-domain analysis.And then,the pros and cons of these methods are discussed.As the low-frequency oscillation is caused by the interaction of the vehicle and the grid,the oscillation damping methods on both sides are concluded respectively.The directions for future researches are set forth in the final part.

Key words： Electric railways low-frequency oscillation time-domain simulation eigenvalue analysis frequency-domain analysis

收稿日期: 2015-01-05 出版日期: 2015-12-07

PACS:

TM712

基金资助:中央高校基本科研业务费专项资金(2012JBZ006)和中国铁路总公司科技研究开发计划重大课题(2014J009-B)资助项目。

作者简介: 王晖男,1985年生,博士生,研究方向牵引网低频振荡机理及抑制。吴命利男,1971年生,教授,博士生导师,研究方向为电气化铁道供电及城市轨道交通供电,电磁暂态计算与电力系统数字仿真,电能质量测试、评估与治理。(通信作者)

引用本文:

王晖吴命利. 电气化铁路低频振荡研究综述[J]. 电工技术学报, 2015, 30(17): 70-78. Wang Hui Wu Mingli. Review of Low-Frequency Oscillation in Electric Railways. Transactions of China Electrotechnical Society, 2015, 30(17): 70-78.

链接本文:

https://dgjsxb.ces-transaction.com/CN/Y2015/V30/I17/70

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