Electrical Engineering Wroclaw University of Technology

Electrical Engineering Wroclaw University of Technology 6 records found  Search took 0.02 seconds. 
1. Effect of silicone rubber insulators' profiles on their ageing performance in rain conditions / Bretuj, W ; Fleszynski, J ; Tyman, A ; Wieczorek, K [ENY-ARTICLE-2009-236]
Numerous studies have been conducted to understand the effect of insulator profiles on ceramic insulators, whereas for polymer insulators this problem has not sufficiently examined. [...]
http://zet10.ipee.pwr.wroc.pl/record/295/files/
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2. Effect of Voltage Harmonics Content on Arrester Diagnostic Result / Jaroszewski, M ; Kostyla, P ; Wieczorek, K [ENY-ARTICLE-2008-180]
Diagnoses of HV arresters are usually based on an analysis of total leakage current harmonics. [...]
http://zet10.ipee.pwr.wroc.pl/record/230/files/
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3. Changes in varistors properties after radial field test / Jaroszewski, M ; Korycki, P ; Wieczorek, K ; Zakrzewski, J [ENY-ARTICLE-2008-179]
ZnO varistors are used in commercial surge arresters in high voltage application in the area of power engineering. [...]
http://zet10.ipee.pwr.wroc.pl/record/229/files/
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4. Capacitance Changes in Degraded Metal Oxide Varistors / Jaroszewski, M ; Wieczorek, K ; Bretuj, W ; Kostyla, P [ENY-ARTICLE-2008-178]
ZnO based ceramics show a highly nonlinear current-voltage (I-V) characteristic due to intergranular layers at the boundaries of ZnO grains. [...]
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5. Influence of Sheds Inclination of Non-Ceramic Insulators on Develop of Leakage Current in the Rain and Fog Conditions / Bretuj, W ; Wieczorek, K [ENY-ARTICLE-2008-130]
The paper presents results of laboratory tests of HTV silicon rubber insulators with different inclination of upper surface of the sheds (10º, 30º) in the rain and fog chamber. [...]
http://zet10.ipee.pwr.wroc.pl/record/168/files/
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6. Resistance of Silicone Rubber High Voltage Insulation to Leakage Current in Modified Inclined Plane Test / Wieczorek, K [ENY-ARTICLE-2008-128]
In this paper results of investigations of resistance to leakage currents of two different silicone rubbers subjected to a modified inclined plate test are presented. [...]
http://zet10.ipee.pwr.wroc.pl/record/166/files/
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1 Wieczorek, K.
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