Non-contact determination of the phase sequence and voltage level of overhead conductors in air insulated substations

F. Li, P.J. Moore

Research output: Chapter in Book/Report/Conference proceedingChapter

6 Citations (Scopus)

Abstract

This paper describes how the phase sequence and voltage level (132 kV, 275 kV or 400 kV) of single-circuit overhead conductors can be calculated from measurements made by passive, non-contact sensors situated on a moving platform at ground level. The investigation relies on sensing the electric field along the profile of the conductors through the use of passive sensors. The fabrication of the passive sensor is described together with an analysis of its performance. The variation of the vertical component of electric field strength along the lateral profile beneath single-circuit conductors has been studied using finite element modeling software, ANSYS. The results of this simulation have led to a proposed method of determining the magnitude and phase sequence information from overhead conductors via analysis of the induced voltages on the sensors. The paper concludes with an investigation made in a 400 kV substation in the UK. Analysis of the experimental results shows that the proposed technique can successfully evaluate the phase sequence, voltage level, the spacing between phases and the orientation of high-voltage overhead conductors.
LanguageEnglish
Title of host publication7th International Power Engineering Conference, 2005 (IPEC 2005)
PublisherIEEE
Pages623-628
Number of pages5
Volume2
Edition1.8
DOIs
Publication statusPublished - 2006

Fingerprint

Sensors
Electric potential
Air
Electric fields
Networks (circuits)
Fabrication

Keywords

  • electric sensing devices
  • finite element analysis
  • overhead line conductors
  • substation insulation
  • power systems

Cite this

Li, F., & Moore, P. J. (2006). Non-contact determination of the phase sequence and voltage level of overhead conductors in air insulated substations. In 7th International Power Engineering Conference, 2005 (IPEC 2005) (1.8 ed., Vol. 2, pp. 623-628). IEEE. https://doi.org/10.1109/IPEC.2005.206983
Li, F. ; Moore, P.J. / Non-contact determination of the phase sequence and voltage level of overhead conductors in air insulated substations. 7th International Power Engineering Conference, 2005 (IPEC 2005). Vol. 2 1.8. ed. IEEE, 2006. pp. 623-628
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Li, F & Moore, PJ 2006, Non-contact determination of the phase sequence and voltage level of overhead conductors in air insulated substations. in 7th International Power Engineering Conference, 2005 (IPEC 2005). 1.8 edn, vol. 2, IEEE, pp. 623-628. https://doi.org/10.1109/IPEC.2005.206983

Non-contact determination of the phase sequence and voltage level of overhead conductors in air insulated substations. / Li, F.; Moore, P.J.

7th International Power Engineering Conference, 2005 (IPEC 2005). Vol. 2 1.8. ed. IEEE, 2006. p. 623-628.

Research output: Chapter in Book/Report/Conference proceedingChapter

TY - CHAP

T1 - Non-contact determination of the phase sequence and voltage level of overhead conductors in air insulated substations

AU - Li, F.

AU - Moore, P.J.

PY - 2006

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N2 - This paper describes how the phase sequence and voltage level (132 kV, 275 kV or 400 kV) of single-circuit overhead conductors can be calculated from measurements made by passive, non-contact sensors situated on a moving platform at ground level. The investigation relies on sensing the electric field along the profile of the conductors through the use of passive sensors. The fabrication of the passive sensor is described together with an analysis of its performance. The variation of the vertical component of electric field strength along the lateral profile beneath single-circuit conductors has been studied using finite element modeling software, ANSYS. The results of this simulation have led to a proposed method of determining the magnitude and phase sequence information from overhead conductors via analysis of the induced voltages on the sensors. The paper concludes with an investigation made in a 400 kV substation in the UK. Analysis of the experimental results shows that the proposed technique can successfully evaluate the phase sequence, voltage level, the spacing between phases and the orientation of high-voltage overhead conductors.

AB - This paper describes how the phase sequence and voltage level (132 kV, 275 kV or 400 kV) of single-circuit overhead conductors can be calculated from measurements made by passive, non-contact sensors situated on a moving platform at ground level. The investigation relies on sensing the electric field along the profile of the conductors through the use of passive sensors. The fabrication of the passive sensor is described together with an analysis of its performance. The variation of the vertical component of electric field strength along the lateral profile beneath single-circuit conductors has been studied using finite element modeling software, ANSYS. The results of this simulation have led to a proposed method of determining the magnitude and phase sequence information from overhead conductors via analysis of the induced voltages on the sensors. The paper concludes with an investigation made in a 400 kV substation in the UK. Analysis of the experimental results shows that the proposed technique can successfully evaluate the phase sequence, voltage level, the spacing between phases and the orientation of high-voltage overhead conductors.

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Li F, Moore PJ. Non-contact determination of the phase sequence and voltage level of overhead conductors in air insulated substations. In 7th International Power Engineering Conference, 2005 (IPEC 2005). 1.8 ed. Vol. 2. IEEE. 2006. p. 623-628 https://doi.org/10.1109/IPEC.2005.206983