Analysis on Crosstalk for Coplanar Irregular-placed Cables Based on Cascading Method and Cubic Spline Interpolation Algorithm

Authors

  • Chong Ming Zhu Nari Group Corporation, Nanjing 211000, Jiangsu, China , 3 State Key Laboratory of Smart Grid Protection and Operation Control, Nanjing 211000, Jiangsu, China
  • Wei Yan Department of Electrical and Automation Engineering Nanjing Normal University, Nanjing 210046, China
  • Shi Cheng Liu Department of Electrical and Automation Engineering Nanjing Normal University, Nanjing 210046, China
  • Lu Geng China Energy Engineering Group, Nanjing 211102, China

Keywords:

Cascade method, crosstalk, cubic spline interpolation method, multi-conductor transmission line (MTL), orthogonal experiment method

Abstract

The research on cable crosstalk is an important part of electromagnetic compatibility. The conventional research on cable crosstalk is mostly for parallel cables. However, most of the actual transmission line models are in a non-parallel state. A new method for the crosstalk prediction of coplanar irregular-placed cables is proposed in this paper. The method derives the integral form of the transmission line equation based on the cascade method. Combined with the cubic spline interpolation method for the processing of the per unit length parameter matrix, the crosstalk of the coplanar irregular-placed cables is predicted. The orthogonal experiment method is used to find that the distance between transmission lines has the greatest influence on crosstalk, followed by height from the current return plane, frequency, load and length. In order to verify the accuracy of the new method for crosstalk, the full wave method is introduced as a comparison method, and the experiment is introduced as a reference method. The verification results show that the new method has higher accuracy for the crosstalk prediction of coplanar irregular-placed cables, especially in the frequency band less than 100MHz.

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Published

2020-05-01

How to Cite

[1]
Chong Ming Zhu, Wei Yan, Shi Cheng Liu, and Lu Geng, “Analysis on Crosstalk for Coplanar Irregular-placed Cables Based on Cascading Method and Cubic Spline Interpolation Algorithm”, ACES Journal, vol. 35, no. 5, pp. 572–579, May 2020.

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