Journal of electromagnetic engineering and science

  • 제1권1호
  • /
  • Pages.88-94
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  • 2001
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  • 2671-7255(pISSN)
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  • 2671-7263(eISSN)
한국전자파학회 (The Korean Institute of Electromagnetic Engineering and Science)
권호 표지

FDTD Analsysis of Lightning-Induced Voltages on Shielded Telecommunication Cable with Multipoint Grounding

  • 발행 : 2001.05.01
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초록

In this paper, the lightning-induced voltages on shielded twisted-pair wires with multipoint grounding on cable sheath are calculated by using finite-difference time domain (FDTD) method. The equivalent single-wire line that represents a bundle of twisted-pair wires is adopted for computational efficiency. A finitely conducting ground is also taken into account in both lightning electromagnetic field calculations and surge propagation along the shielded cable for a practical simulation. It is found that multipoint additional grounding on cable sheath provides more shielding effectiveness especially in the early time response of the lightning-induced voltages. From this study, the requirements for lighting surge protection devices in a telecommunication subscriber cab1e can be established.

키워드

참고문헌

  1. IEEE Trans. Electromagn. Compat. v.EMC-22 Transient response of multiconductor transmission lines excited by a nonuniform electromagnetic field A.K. Agrawal;H.J. Price;S.H. Gurbaxani
  2. Analysis of Multiconductor Transmission Lines C.R. Paul
  3. EMC Analysis Methods and Computational Models F.M. Tesche;M.V. Ianoz;T. Karlsson
  4. 8th Symposium and Technical Exhibition on Electromagn. Compat Experimental validation of a modification to the transmission line model for LEMP calculation C.A. Nucci;F. Rachidi
  5. IEEE Trans. Electromagn. Compat v.EMC-35 Lightning-induced voltages on overhead lines C.A. Nucci;F. Rachidi;M.V. Ianoz;C. Mazzetti
  6. Am. J. Phys. v.51 Transient electric and magnetic fields associated with estblishing a finite electrostatic dipole M.J. Master;M.A. Uman
  7. IEEE Trans. Electromagn. Compat v.38 no.3 An approximate formula for the calculation of the horisontal electric field from lightning at close M. Rubinstein
  8. IEEE Trans. Trans. Electromagn. Compat v.39 no.1 Time-domain low frequency approximation for off-diagonal terms of the ground impedance matrix D. Orzan
  9. IEEE Trans. Power Deliver y v.14 no.1 Transient analysis of multiconductor lines above a lossy ground F. Rachidi;C.A. Nucci;M.V. Ianoz
  10. IEEE Trans. Electromagn. Compat v.40 no.4 Estimates of lightning-induced voltage stresses within buried shielded Conduits F.M. Tesche;A.W. Kalin;B. Brandli;B. Reusser;M. Ianoz;D. Tabara;P. Zweiacker
  11. IEEE Int. Simpo. on EMC v.2 FDTD analysis on a telecommunication cable immersed in lightning J.C. Ju;H.Y. Lee;G.J. Lim;D.C. Park
  12. APMC 2000 Effect of overhead ground wire to lightning-induced voltages on a telecommunication cable J.C. Ju;H.Y. Lee;D.C. Park