吉林大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (增刊1): 144-149.

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Analytical prediction of parasitic capacitance and crosstalk in automotive cable bundles

GAO Yin-han1, WANG Rui-bao2,3, MA Yu-gang4, WANG Ying-ying5, YANG Kai-yu1   

  1. 1. State Key Laboratory of Automobile Simulation and Control, Jilin University, Changchun 130022, China;
    2. College of Instrumentation &|Electrical Engineering, Jilin University, Changchun 130022, China;
    3. Unit 92571 of PLA, Sanya 572021, China;
    4. College of Physics, Jilin University, Changchun 130022, China;
    5. Second Secondary School Changchun, Changchun 130051, China
  • Received:2010-01-10 Online:2011-09-01 Published:2011-09-01

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Abstract:

The space full of inhomogeneous media was turned into the infinite space full of homogeneous media using the method of image,and the relation between the bound charges and the free charges on the conductors inside the homogeneous media on the basis of the theory of electromagnetic field,then the analytical model of the per unit length parasitic parameter of insulated conductors in cable bundles was derived and the relevant crosstalk was also estimated.The results of p.u.l parasitic parameter and the crosstalk from the analytical model compared the results from the EMC Studio software.It was turn out that the analytical model was valid.The analytical model was simple,convenient and it can provide a rapid prediction about parasitic parameter and crosstalk of conductor ensure the problem will not be missed especially in the early stage of design absence of complete system information.The analytical model was fit for deterministic and stochastic harness geometry.

Key words: technology of instrument and meter, prediction model, analytical method, parasitic capacitance, crosstalk, harness geometry, insulated conductor, automotire cable bundles

CLC Number: 

  • TM930.11


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