CRH2型电力机车建模与谐波电流分析  

Modeling and analysis of harmonic currents of type CRH2 electric locomotive

作　　者：余新才 彭昌勇[2] 施通勤[3] 秦跃进 范传光 陈红坤[4] 

机构地区：[1]湖北省电力勘测设计院,湖北武汉430024 [2]湖北省电力试验研究院,湖北武汉430077 [3]湖北省电力公司,湖北武汉430077 [4]武汉大学电气工程学院,湖北武汉430072

出　　处：《武汉大学学报（工学版）》2012年第1期107-110,共4页Engineering Journal of Wuhan University

摘　　要：电力机车是电气化铁路牵引供电系统的主要谐波源之一,电力机车的运行对供电电网产生一定的电能质量影响.详细分析了CRH2型电力机车的电路拓扑结构和控制原理,利用Matlab软件中的Simulink仿真平台搭建了CRH2型电力机车仿真模型.采用典型参数进行仿真验证了模型的实用性,并利用SIMPOWERSYSTEM工具箱中的POWERGUI对CRH2整流器网侧电流进行FFT分析,得到了低次谐波和高次谐波的分布情况.Electric locomotive is one of the major harmonic sources in electrified railway traction power supply system;it will make some impact on power quality when running.This paper analyzes the circuit topology and control principle of type CRH2 electric locomotive in detail.Then the simulation models of Type CRH2 electric locomotive is built with simulation platform Simulink of Matlab.With the typical parameters of the simulation,analysis is carried out to verify the feasibility of the model;and then with the block POWERGUI in toolbox SIMPOWERSYSTEM,FFT is used to analyze the grid-side circuit and the distribution of low-order harmonics and high-order harmonics is gotten.

关 键 词：CRH2型电力机车 瞬态电流控制 异步电机的矢量控制 空间矢量脉宽调制 

分 类 号：TM743[电气工程—电力系统及自动化]