Prediction of voltage and current propagation in twisted wire pairs (TWPs) by a circuit model

C. Buccella, M. Feliziani, G. Manzi, F. Maradei
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引用次数: 9

Abstract

The performances of a twisted wire pairs (TWP) cable above ground are analysed in order to predict the internal propagation. To take into account the nonuniformity produced by the twists, the TWP line is discretized into sections of parallel wire transmission line (TL) whose different electrical parameters are derived analysing the different TWP cross-sections by the finite element method (FEM). The different TWP sections are then connected in a series cascade and the resulting configuration is analysed by a CAD circuit simulator. A comparison of the results obtained in the frequency range 40 MHz - 1 GHz by the proposed model with measurements is presented
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用电路模型预测双绞线对中电压和电流的传播
为了预测双绞线对电缆的内传播,对其在地面上的性能进行了分析。为了考虑扭转所产生的不均匀性,将TWP线离散成平行导线(TL)的不同截面,采用有限元法对不同截面的TWP线进行分析,得到了不同的电气参数。然后将不同的TWP部分串联在串联级联中,并通过CAD电路模拟器分析所得到的配置。并将该模型在40mhz ~ 1ghz频率范围内得到的结果与实测结果进行了比较
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