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电网技术  2015 

牵引网低频振荡及其抑制方法的仿真分析

DOI: 10.13335/j.1000-3673.pst.2015.04.032, PP. 1088-1095

Keywords: 电气化铁路,低频振荡,车网系统,网侧整流器控制,功率振荡抑制

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Abstract:

针对我国电气化铁路交直交机车引发的牵引网低频振荡现象,结合CRH5型动车组低频振荡的现场测试数据,设定合理的CRH5型动车组网侧整流器控制参数,使用Matlab/Simulink建立了车网系统时域仿真模型,并成功再现牵引网低频振荡现象。通过对车网模型的仿真研究,探讨了CRH5型动车组网侧整流器控制参数对车网系统振荡行为的影响。最后提出通过适当调整网侧整流器控制参数与增设功率振荡抑制环节2种抑制低频振荡的方法。

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