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The Residual Resistivity in Soil Ionization Region Around Grounding System for Different Experimental Results
Uppsala University, Sweden.
Uppsala University, Sweden.
Uppsala University, Sweden.
Uppsala University, Sweden.ORCID iD: 0000-0002-1607-2493
2003 (English)In: IEEE Symposium on Electromagnetic Compatibility. Symposium Record, 2003, p. 794-799Conference paper, Published paper (Refereed)
Abstract [en]

The residual soil resistivity at peak of injection current with lightning current wave shape in soil ionization region around the grounding system is analyzed based on different experimental results in the literature by E.E. Oettle (1988), P.L. Bellaschi et al. (1942) and A.C. Liew and M. Darveniza (1974) and the recent experimental results in the high voltage laboratory at Uppsala University. The results show that the residual resistivity in soil ionization region is changing largely versus different soil resistivity ranging from 50 /spl Omega/m to 827 /spl Omega/m. Combining all the data, the geometric mean of the residual soil resistivity in ionization region is approximately 7% of the original soil resistivity. This value of 7% can be used in modeling of the transient behavior of grounding system under the lightning strike including non-linear soil ionization phenomenon.

Place, publisher, year, edition, pages
2003. p. 794-799
Keywords [en]
Lightning, Soil ionization, grounding, earthing, electromagnetic compatibility
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-238776DOI: 10.1109/ISEMC.2003.1236709ISBN: 0-7803-7835-0 (print)OAI: oai:DiVA.org:kth-238776DiVA, id: diva2:1262310
Conference
2003 IEEE Symposium on Electromagnetic Compatibility.
Available from: 2018-11-10 Created: 2018-11-10 Last updated: 2018-11-21Bibliographically approved

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Thottappillil, Rajeev

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