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Laser-induced fluorescence spectroscopy for detection of biological contamination on composite insulators

Andreas Dernfalk (Institutionen för elkraftteknik, Högspänningsteknik) ; Magnus Bengtsson ; Rasmus Grönlund ; Mikael Sjöholm ; Petter Weibring ; Hans Edner ; Stanislaw Gubanski ; Stefan Kröll ; Sune Svanberg
In Proc. 13th International Symposium on High Voltage Engineering, Delft, Netherlands (2003)
[Konferensbidrag, refereegranskat]

A new technique for remote detection of biological contamination on high-voltage outdoor insulators has been investigated. The technique, which is based on laser-induced fluorescence (LIF) spectroscopy, has been applied to study surfaces of real silicon rubber insulators from a distance of approximately 60 m. Measurements were performed outdoors on a number of clean, as well as, biologically contaminated insulators. Several types of biological contamination were included, as five of the studied insulators had become covered when installed in Sweden, and another three had been contaminated by fungal growth in laboratory. Fluorescence spectra obtained from the surfaces of the described insulators are presented and the applicability of the technique is discussed and compared with photographic methods.



Denna post skapades 2006-09-25.
CPL Pubid: 7053

 

Institutioner (Chalmers)

Institutionen för elkraftteknik, Högspänningsteknik (1900-2004)

Ämnesområden

Elektroteknik och elektronik
Materialteknik

Chalmers infrastruktur