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Mathematical modelling of electromagnetic transients in a dynamic system: contact network - electric drive

机译:动态系统中电磁瞬变的数学建模:接触网络-电驱动

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摘要

A mathematical model of a current contact network for alternating current electrified railways is proposed, the network being considered as a line with distributed parameters, taking into account a non-linear dependence of longitudinal parameters on the frequency. The line is represented by a set of finite elements. The mathematical modelling of the system traction substation - contact network - electric locomotive is carried out, and the comparison of the calculated curves with the oscillograms of the same processes taken on actual sections of railways is given. The adequacy of the proposed model is substantiated.
机译:提出了一种用于交流电气化铁路的电流接触网络的数学模型,考虑到纵向参数对频率的非线性依赖性,将该网络视为具有分布参数的线。该线由一组有限元表示。对《牵引变电站-接触网-电力机车》系统进行了数学建模,并对计算出的曲线与铁路实际断面相同过程的波形图进行了比较。所提出模型的充分性得到证实。

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