[1]刘 勇,梅文庆,胡 亮,等.高速动车组无拍频控制方法研究[J].机车电传动,2020,(02):48-52.[doi:10.13890/j.issn.1000-128x.2020.02.010]
 LIU Yong,MEI Wenqing,HU Liang,et al.Beat-less Control Method for High-speed EMU[J].Electric Drive for Locomotives,2020,(02):48-52.[doi:10.13890/j.issn.1000-128x.2020.02.010]
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高速动车组无拍频控制方法研究()
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机车电传动[ISSN:1000-128X/CN:43-1125/U]

卷:
期数:
2020年02期
页码:
48-52
栏目:
研究开发
出版日期:
2020-03-10

文章信息/Info

Title:
Beat-less Control Method for High-speed EMU
文章编号:
1000-128X(2020)02-0048-05
作者:
刘 勇 1梅文庆 2胡 亮 2 3甘韦韦 2吕永灿 2
(1. 株洲中车时代电气股份有限公司,湖南 株洲 412001;2. 中车株洲电力机车研究所有限公司,湖南 株洲 412001;3. 动车组和机车牵引与控制国家重点实验室,湖南 株洲 412001)
Author(s):
LIU Yong1 MEI Wenqing 2 HU Liang2 3 GAN Weiwei2 LYU Yongcan2
( 1. Zhuzhou CRRC Times Electric Co., Ltd., Zhuzhou, Hunan 412001, China; 2. CRRC Zhuzhou Institute Co., Ltd., Zhuzhou, Hunan 412001, China; 3. State Key Laboratory for Traction and Control System of EMU and Locomotive, Zhuzhou, Hunan 412001, China )
关键词:
高速动车组牵引传动系统拍频现象无拍频控制矢量控制仿真高速铁路
Keywords:
high-speed EMU traction drive system beat phenomenon beat-less control vector control simulation high-speed railway
分类号:
U266.2;TM46
DOI:
10.13890/j.issn.1000-128x.2020.02.010
文献标志码:
A
摘要:
在高速动车组牵引传动系统中,由于单相供电制式的应用,会在单相脉冲整流器的直流输出环路上叠加一个 2 倍于电网频率的交流脉动电压分量。该脉动电压分量会使牵引电机产生拍频现象,从而导致牵引电机电流三相不平衡、转矩脉动增大等问题。针对这一现象,提出了一种基于频域分析的无拍频控制算法。该算法是在对拍频形成原理及输出电压谐波的理论分析基础上,通过在牵引逆变器输出频率上叠加一个映射直流电压脉动分量函数进行频率补偿,以消除低频谐波分量。结合矢量控制系统,完成了算法的仿真和试验验证。仿真和试验结果表明,该无拍频
Abstract:
Due to the application of the single-phase power supply mode in the traction drive system of high-speed EMU, the DC output voltage of the single-phase pulse rectifier is superimposed with an AC ripple voltage component which the frequency is twice the grid frequency. The AC ripple voltage component may cause the traction motor to generate the current beat phenomenon, resulting in problems such as three-phase unbalance of the traction motor current and increased torque ripple. Aiming at the phenomenon, a beat-less control algorithm based on frequency domain analysis was proposed. The algorithm was based on the formation mechanism of beat frequency and theoretical analysis of output voltage harmonics, and frequency compensation was achieved by superimposing a function mapping the DC voltage ripple component on the output frequency of traction inverter, which eliminated the low frequency harmonic components effectively. Combined with vector control system, the simulation and experimental verification of the algorithm were completed. The simulation and experimental results showed that the proposed method could effectively suppress the motor beat phenomenon.

参考文献/References:

[1] 苟斌 , 冯晓云 , 宋文胜 , 等 . 牵引变流器 – 电机拍频现象及其抑制方法 [J]. 中国电机工程学报 , 2013, 33(9): 55-63.

[2] 董侃 , 刁利军 , 唐敬 , 等 . 基于频域分析的无拍频控制策略离散化方法 [J]. 电工技术学报 , 2015, 30(10): 283-291.
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备注/Memo

备注/Memo:
作者简介:刘 勇(1981—),男,博士,教授级高级工程师,从事大功率牵引传动控制与诊断技术研究。
更新日期/Last Update: 2020-03-10