Abstract
One of the different measurement techniques for partial discharges (p. d.) in gas insulated substations (GIS) works in the frequency range above 300 MHz called Ultra-High-Frequency (UHF) range. This paper gives a review of the GIS-relevant part of the theory of electromagnetic wave propagation and modes in this UHF-range. For the application of the UHF-narrowband method in practice typical UHF-p. d.-spectra are explained. In addition to this review new computations of the reflection of waves at spacers are presented. The corresponding attenuation for different wave modes is discussed. Practical conclusions are drawn from these new results.
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References
B.F. Hampton et al., Experience and Progress with UHF Diagnostics in GIS, Paper 15/23-03, Cigre-Paris (1992).
I. Herbst, PD-Measurement in GIS-a Theoretical and Experimental Comparison of different Electrical Measurement Techniques, Paper 130-02, Cigre-symp. Berlin (1993).
N. Marcuvitz, Waveguide Handbook, McGraw-Hill Book Company Inc., New York (1951).
J.A. Stratton, Electromagnetic Theory, McGraw-Hill Book Company Inc., New York (1941).
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© 1994 Springer Science+Business Media New York
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Kurrer, R., Feser, K., Herbst, I. (1994). Calculation of Resonant Frequencies in GIS for UHF Partial Discharge Detection. In: Christophorou, L.G., James, D.R. (eds) Gaseous Dielectrics VII. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-1295-4_107
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DOI: https://doi.org/10.1007/978-1-4899-1295-4_107
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4899-1297-8
Online ISBN: 978-1-4899-1295-4
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