UHF partial discharge monitoring and expert system diagnosis

This paper examines the ultra high frequency (UHF) partial discharge (PD) measuring technique and its use in online monitoring for gas insulated substations (GIS). Taking two special PD defects as examples, some crucial aspects of PD monitoring are highlighted. Furthermore, the interpretation of mea...

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Veröffentlicht in:	IEEE transactions on power delivery 1998-10, Vol.13 (4), p.1162-1167
Hauptverfasser:	Huecker, T., Gorablenkov, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Diagnostic expert systems Electrical engineering. Electrical power engineering Electrical power engineering Exact sciences and technology Expert systems Frequency measurement Gas insulation Geographic Information Systems Insulators Measurement and error theory Metrology Metrology, measurements and laboratory procedures Monitoring Partial discharge measurement Partial discharges Physics Power networks and lines Substations UHF measurements Various equipment and components
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Beschreibung
Zusammenfassung:	This paper examines the ultra high frequency (UHF) partial discharge (PD) measuring technique and its use in online monitoring for gas insulated substations (GIS). Taking two special PD defects as examples, some crucial aspects of PD monitoring are highlighted. Furthermore, the interpretation of measuring results is discussed on the basis of these examples, and an advanced expert system for automatic defect type interpretation is presented. Early fault recognition can be achieved by continuous UHF PD monitoring.
ISSN:	0885-8977 1937-4208
DOI:	10.1109/61.714479