Zobrazeno 1 - 10
of 30
pro vyhledávání: '"L. Rolfseng"'
Autor:
L. Rolfseng, A.C. Baker, Issouf Fofana, W.A. Chisholm, G. A. Stewart, R. Allen Bernstorf, T. Grisham, Masoud Farzaneh, E.A. Cherney, I. Gutman, J.T. Burnhan, R.S. Gorur
Publikováno v:
IEEE Transactions on Power Delivery. 22:2297-2304
Special measures may be needed to select line insulators for transmission and distribution lines in locations exposed to freezing conditions. This second part of the paper describes the strength of typical line insulation in these conditions and then
Autor:
I. Gutman, J.T. Burnhan, G. A. Stewart, L. Rolfseng, A.C. Baker, A. Bernstorf, W.A. Chisholm, R.S. Gorur, T. Grisham, M. Farzaneh, E.A. Cherney
Publikováno v:
IEEE Transactions on Power Delivery. 22:2289-2296
Special measures may be needed to select line insulators for transmission and distribution lines in locations exposed to freezing conditions. This first part of the paper describes the environmental and electrical stresses encountered in service that
Autor:
J. Kuffel, C. de Tourreil, V. Sklenicka, R. Tay, G. A. Stewart, E.A. Cherney, L. Rolfseng, A. Bernstorf, A. E. Schwalm, J. Zhang, J.F. Drapeau, S. Fikke, A. J. Phillips, Masoud Farzaneh, G. Powell, D.L. Ruff, W. A. Chisholm, J. Farzaneh-Dehkordi, T. Baker, T. Rozek, R. Christman, J. Cortinas, R.S. Gorur, M. Roy, M. Szeto, R. Cole, Ivan Gutman, J.T. Burnham, T. Carreira, Raji Sundararajan, T. Grisham
Publikováno v:
IEEE Transactions on Power Delivery. 20:271-277
In locations exposed to freezing conditions over the station service life, additional measures for selecting adequate station insulators at distribution and transmission voltage levels should be taken. This second part of the paper describes the sele
Autor:
L. Rolfseng, J.T. Burnham, T. Carreira, A. J. Phillips, T. Baker, A. Bernstorf, A. E. Schwalm, J. Zhang, J. Kuffel, R. Christman, C. de Tourreil, M. Roy, R. Cole, J. Farzaneh-Dehkordi, S. Fikke, Raji Sundararajan, G. Powell, T. Grisham, J. Cortinas, V. Sklenicka, J.F. Drapeau, D.L. Ruff, E.A. Cherney, G. A. Stewart, R. Tay, T. Rozek, Masoud Farzaneh, W. A. Chisholm, Ivan Gutman, M. Szeto, R.S. Gorur
Publikováno v:
IEEE Transactions on Power Delivery. 20:264-270
In selecting adequate insulators for substations at distribution and transmission voltage levels, special measures may be needed in locations exposed to freezing conditions. This first part of the paper describes the environmental and insulator param
Publikováno v:
IEEE Transactions on Plasma Science. 32:1819-1827
This paper reports on the relative vulnerabilities of bare- and insulated-line conductors to hits from discharge strokes coming from sources at voltages too high to prevent flashovers, like lightning. Protection against such strokes must be based on
Publikováno v:
IEEE Transactions on Plasma Science. 32:1812-1818
Purpose: To find how a spark from a positive or negative rod locates an object to connect to, or finds a weak spot in a cable insulation. Experimental: 1-2-m gap in ambient air between a rod and a horizontal wire suspended 0.25-0.5 m above ground, su
Autor:
Ivan Gutman, D.L. Ruff, V. Sklenicka, Jicheng Yu, J.-M. George, Masoud Farzaneh, D. Shaffner, S. Fikke, W. A. Chisholm, T. Baker, R. Hartings, E. Gnandt, C. de Tourreil, J.F. Drapeau, T. Rozek, G. Powell, A. Bernstorf, Raji Sundararajan, T. Grisham, L. Rolfseng, R. Kremer, K. Brown
Publikováno v:
IEEE Transactions on Power Delivery. 18:1503-1515
Test methods for evaluating flashover voltage of ceramic and nonceramic insulators under ice, snow, and cold-fog conditions are recommended. The paper describes the procedure to be followed at various stages of an evaluation test including preparatio
Autor:
L. Rolfseng, H. Thomassen, K. A. Jankila, H. Sandvik, B. Falch, Bjorn Gustavsen, O. Andresen, H. Christensen, T. Myhr
Publikováno v:
IEEE Transactions on Power Delivery. 17:1050-1056
In a previous paper, the authors presented a methodology for simulating the expected wood-pole replacement rate for distribution overhead lines as a function of time, considering the statistical nature of pole strength and climatic loads (wind and ic
Autor:
Bjorn Gustavsen, L. Rolfseng
Publikováno v:
IEEE Transactions on Power Delivery. 15:300-306
The paper describes a methodology for simulating the expected wood pole replacement rate as a function of time, considering the statistical nature of pole strength and climatic loads (wind, ice). The method considers replacement of weak poles by main
Publikováno v:
IEEE Transactions on Power Delivery. 8:1311-1321
Internationally comprehensive studies were performed to analyze the effect of clean or contaminated snow and ice accretions on high-voltage insulators. The authors' experience with transmission lines in inland mountainous areas reveals a substantial