IEEJ Transactions on Power and Energy
Online ISSN : 1348-8147
Print ISSN : 0385-4213
ISSN-L : 0385-4213
Special Issue Paper
Wave Propagation Characteristics on a Pipe-Type Cable in Particular Reference to the Proximity Effect
Akihiro AmetaniKazuki KawamuraAsha ShendgeNaoto NagaokaYoshihiro Baba
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2013 Volume 133 Issue 12 Pages 954-960

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Abstract

This paper has investigated the frequency and time responses of wave/surge propagation characteristics on a pipe-type cable based on a theoretical analysis, EMTP and FDTD simulations, as a function of the separation distance of the inner conductor from the center of the pipe enclosure. It is found that the conductor resistance increases and the inductance decreases as the separation distance increases, i.e. the eccentricity becomes greater, due to the proximity effect. The increase of the resistance and the decrease of the inductance are more pronounced as the frequency increases. Correspondingly, the attenuation increases and the characteristic impedance decreases as the eccentricity increases. Also, a transient voltage becomes smaller and a transient current becomes higher as the eccentricity becomes greater. EMTP simulation results are confirmed to agree satisfactorily with FDTD simulation results.

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© 2013 by the Institute of Electrical Engineers of Japan
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