How to protect protection systems, theory and demonstrations

A.P.J. Deursen, van, P.C.T. Laan, van der

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Abstract

A theoretical basis has been presented for the protection of power system equipment, which: (a) is in agreement with Maxwell's equations: (b) provides a correct description of grounding; and (c) has led to correct measurements in numerous expeditions to GIS and open air substations, without optical fibers or surge arresters. The authors emphasize the correct description of the circuits, the current loops, and their coupling via Z/sub t/ and Y/sub t/. The concept of transfer impedance is extended to grounding structures and to equipment cabinets. For most disturbances occurring in HV substations, the transfer impedance of equipment and their cabinets is more important than shielding
Original languageEnglish
Title of host publicationFifth International Conference on Developments in Power System Protection (DPSP 5). York, UK.
Place of PublicationLondon, UK
PublisherInstitute of Electrical Engineers
Pages191-194
ISBN (Print)0-85296-559-1
Publication statusPublished - 1993
Event5th International Conference on Developments in Power System Protection (DPSP 1993) - York, United Kingdom
Duration: 30 Mar 19931 Apr 1993
Conference number: 5

Publication series

NameIEE Conference Publication
Volume368
ISSN (Print)0537-9989

Conference

Conference5th International Conference on Developments in Power System Protection (DPSP 1993)
Abbreviated titleDPSP 1993
Country/TerritoryUnited Kingdom
CityYork
Period30/03/931/04/93

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