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Optimization and Control on High Frequency Resonance of Train-Network Coupling Systems

机译：列车网络耦合系统高频谐振的优化与控制

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摘要

With the wide application of the electrified railway, high frequency resonances in train-network coupling system often occur, which not only affect the normal operation of trains but also seriously restrict the rapid development of electrified railway. However, the resonance mechanism has not been fully grasped and needs to be solved. First of all, this paper analyzed the new harmonic characteristics of mixed running of alternating current (AC) and direct current (DC) trains in electrified railway. Then, the mechanism of high frequency resonance and the burnout failure reason of the resistor connected with capacitance (RC) branch in the dc train were analyzed. Simulations were carried out to find some basic conclusions and rules. Subsequently, this paper reproduced and analyzed a real case of high frequency resonance accidents of train-network, burnout accident of RC branch of the dc train. Based on the above researches, optimized control methods to avoid the high frequency resonance were introduced. The achievement of this paper provides an important reference and theoretical basis for the comprehensive optimization and control of train-network coupling systems and the resonance suppression measures.
机译：随着电气化铁路的广泛应用，列车网络耦合系统中经常发生高频共振，不仅影响列车的正常运行，而且严重制约了电气化铁路的快速发展。但是，共振机理尚未完全掌握，需要解决。首先，本文分析了电气化铁路中交流（AC）和直流（DC）列车混合运行的新谐波特性。然后，分析了直流串中与电容（RC）分支相连的电阻器的高频谐振机理和烧坏的原因。进行仿真以发现一些基本结论和规则。随后，本文再现并分析了列车网络高频谐振事故，直流列车RC分支烧坏事故的真实案例。在上述研究的基础上，介绍了避免高频共振的优化控制方法。本文的研究成果为列车网络耦合系统的综合优化控制和抑制共振的措施提供了重要的参考和理论依据。

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