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Lab testing of external gas pressure cables and determination of different ageing states

  • In the last century external gas pressure cable systems with 64/110 kV operating voltage have proven to form a reliable way for the transportation of electrical energy in larger cities all over the world. The beginning of their development reaches back to the 1930s. The dielectric used in these thermally stable cables consists of a mass impregnated cable paper insulation that requires the absence of partial discharges as a prerequisite for continuous operation. In this contribution two test set-ups for advanced lab testing of external gas pressure cable specimens were established. Two specimens of different aging state were subjected to various electrical voltage levels and frequencies as well as different temperatures. Simultaneously dissipation factor measurement and partial discharge detection were applied. Finally the specimens’ relationships between dissipation factor, partial discharge level, temperature, impregnation mass to paper ratio, water content and external gas pressureIn the last century external gas pressure cable systems with 64/110 kV operating voltage have proven to form a reliable way for the transportation of electrical energy in larger cities all over the world. The beginning of their development reaches back to the 1930s. The dielectric used in these thermally stable cables consists of a mass impregnated cable paper insulation that requires the absence of partial discharges as a prerequisite for continuous operation. In this contribution two test set-ups for advanced lab testing of external gas pressure cable specimens were established. Two specimens of different aging state were subjected to various electrical voltage levels and frequencies as well as different temperatures. Simultaneously dissipation factor measurement and partial discharge detection were applied. Finally the specimens’ relationships between dissipation factor, partial discharge level, temperature, impregnation mass to paper ratio, water content and external gas pressure were discussed.zeige mehrzeige weniger

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  • 2017 ISH Stamenkovic External Gas Pressure Cables Aging State.pdf
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Metadaten
Autor*innen:V. Stamenkovic, F. T. Felsheim, R. Plath, Thomas Kapa
Persönliche Herausgeber*innen:Ricardo Rubén Diaz, Leonardo Octavio Assaf, José Silva, Bruno Rizzotti
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Graue Literatur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):The 20th International Symposium on High Voltage Engineering
Jahr der Erstveröffentlichung:2017
Herausgeber (Institution):Asociación Coorperadora de la Facultad de Ciencias Exactas y Tecnologia de la UNT
Verlag:Asociación Coorperadora de la Facultad de Ciencias Exactas y Tecnologia de la UNT
Jahrgang/Band:2017
Erste Seite:1
Letzte Seite:6
DDC-Klassifikation:Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Angewandte Physik
Freie Schlagwörter:Fibre optic sensors; Gas pressure cable; High voltage cable
Veranstaltung:The 20th International Symposium on High Voltage Engineering
Veranstaltungsort:Buenos Aires, Argentina
Beginndatum der Veranstaltung:27.08.2017
Enddatum der Veranstaltung:01.09.2017
ISBN:978-987-45745-6-5
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:08.11.2017
Referierte Publikation:Nein
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