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Harmonic analysis of traction networks based on the CRH380 series EMUs accident

机译:基于CRH380系列动车组事故的牵引网络谐波分析

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The harmonic component introduced by the high-speed electric multiple units(EMUs) can cause resonance phenomenon in traction networks. A similar resonance accident occurred when the novel CRH380 Series EMUs were running in the Beijing-Shanghai high-speed railway. According to the operation parameters, this paper built the chain network model of the traction power supply system and analysed the influence of harmonic current using the matrix calculation function of MATLAB. The model was based on the uniform transmission lines analysis and combined the characteristics of the multi-conductor transmission. The reason of the accident was analyzed and a reliable strategy to solve the resonance problems was proposed.
机译:高速电气多单元(EMU)引入的谐波分量会在牵引网络中引起共振现象。当新型CRH380系列动车组在京沪高铁上运行时,发生了类似的共振事故。根据运行参数,建立了牵引供电系统的链网模型,并利用MATLAB的矩阵计算功能分析了谐波电流的影响。该模型基于均匀传输线分析,并结合了多导体传输的特性。分析了事故原因,提出了解决共振问题的可靠策略。

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