Andreas Dernfalk

Publications (18)
Projects (0)

Showing 18 publications

2007

Diagnostic methods for outdoor polymeric insulators

Stanislaw Gubanski, Andreas Dernfalk, Johan Andersson et al

IEEE Transactions on Dielectrics and Electrical Insulation. Vol. 14 (5), p. 16-

Journal article

2005

Fluorescence lidar imaging of fungal growth on high-voltage outdoor composite insulators

M Bengtsson, R Grönlund, M Sjöholm et al

Optics and Lasers in Engineering. Vol. 43 (6), p. 624-632

Journal article

2005

Sequential Comparative Study of Dielectric Response and Analyses of Oil and Paper from a Power Transformer Undergoing Repair

Jörgen Blennow, Andreas Dernfalk, K Walczak et al

In Proc. 14th International Symposium on High Voltage Engineering

Paper in proceeding

2005

Comparative study of dielectric spectroscopy measurements and anayses of oil and paper samples from a transformer undergoing repair

Jörgen Blennow, K Walczak, Andreas Dernfalk et al

In Proc. of 19th Nordic Insulation Symposium, Trondheim, Norway, June 13-15

Other conference contribution

2005

Image analysis and laser induced fluorescence combined to determine biological growth on silicone rubber insulators

S Wallström, Andreas Dernfalk, M Bengtsson et al

Polymer Degradation and Stability. Vol. 88 (3), p. 394-400

Journal article

2004

Techniques for estimation of biological contamination on insulators using image analysis

Andreas Dernfalk, Stanislaw Gubanski

Electrical Insulation and Dielectric Phenomena, 2004. CEIDP '04. 2004 Annual Report Conference on, p. 659 - 662

Paper in proceeding

2004

New Laser Technique for Diagnostics of Composite Insulators

Andreas Dernfalk, Stanislaw Gubanski

Insulator News & Market Report. Vol. 12 (3), p. 78-83

Journal article

2004

Image Analysis in Insulator Diagnostics

Andreas Dernfalk, Stanislaw Gubanski

Insulator News & Market Report. Vol. 12 (4), p. 36-40

Journal article

2004

Diagnostic Methods for Composite Insulators with Biological Growth

Andreas Dernfalk

Doctoral thesis

2003

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

Andreas Dernfalk, Magnus Bengtsson, Rasmus Grönlund et al

In Proc. 13th International Symposium on High Voltage Engineering, Delft, Netherlands

Paper in proceeding

2002

Image Analysis for Diagnostics of Insulators with Biological Contamination

Andreas Dernfalk

Licentiate thesis

2002

In-situ diagnostics of HV outdoor insulators using laser-induced fluorescence spectroscopy

Anders Larsson, Albin Roslund, Stefan Kröll et al

Dielectrics and Electrical Insulation, IEEE Transactions on. Vol. 9 (2), p. 274-281

Journal article

2001

Remote and non-intrusive diagnostics of high-voltage insulation materials using laser-induced fluorescence spectroscopy

Anders Larsson, Albin Roslund, Andreas Dernfalk et al

Electrical Insulation and Dielectric Phenomena, 2001 Annual Report. Conference on, p. 428 - 431

Paper in proceeding

2001

Performance of Different Insulator Designs in Tropical Environments and Diagnostic Possibilities

Stanislaw Gubanski, Andreas Dernfalk, Manjula Fernando

In Proc. Cigré International Symposium on "Behaviour of Electrical Equipment and Components in Tropical Environments", p. Paper No. 200-18

Other conference contribution

2001

Laser-Induced fluorescence surface spectroscopy - a candidate for the characterisation of high-voltage insulator surfaces

Anders Larsson, Stefan Kröll, Andreas Dernfalk

In Proc. of Nordic Insulation Symposium, p. 133-140

Other conference contribution

2001

Optical sensors based on liquid crystals for measuring DC fields in air

Andreas Dernfalk, Sören Richter, Jörgen Blennow

In Proc. of Nordic Insulation Symposium, p. 97-104

Other conference contribution

2001

Optical sensors based on liquid crystals for measuring DC fields in air

Andreas Dernfalk

In Proc. of Nordic Insulation Symposium, p. 97-104

Other conference contribution

2001

Use of digital image analysis for studying biological contamination on nonceramic insulators

Andreas Dernfalk, Stanislaw Gubanski

In Proc. 12th International Symposium on High Voltage Engineering, p. 599-602

Other conference contribution

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