T. Ohnstad

Ice progressive stress method: repeatability during full-scale testing of 400 kV line and apparatus insulators and application of the test results

K. Halsan, I. Gutman, T. Ohnstad, 2004, Conference Record of the 2004 IEEE International Symposium on Electrical Insulation.

Voltage transformer frequency response. Measuring harmonics in Norwegian 300 kV and 132 kV power systems

T. Ohnstad, H. Seljeseth, E. A. Saethre, 1998, 8th International Conference on Harmonics and Quality of Power. Proceedings (Cat. No.98EX227).

Investigation of Flashover Performance of Snow-Covered Breakers

I. Gutman, T. Ohnstad, H. Wieck, 2007, IEEE Transactions on Dielectrics and Electrical Insulation.

Joint Operation Hvdc/svc

T. Ohnstad, B. Arnlov, B. Thorvaldsson, 1996 .