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169.
| Concentrated Discharges and Dry Bands on Polluted Outdoor Insulators
/ Chrzan, K L ; Moro, F
[I07/2007/I-002]
[ENY-ARTICLE-2008-184]
This paper describes concentrated discharges on polluted insulators in the laboratory and in the field. [...]
http://zet10.ipee.pwr.wroc.pl/record/235/files/
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170.
| Hygroscopic properties of pollutants on silicone rubber surface
/ Chrzan, K L
[I07/2007/I-042]
[ENY-ARTICLE-2008-183]
Silicone rubber when contaminated by dust has the ability to transfer the hydrophobicity through pollutants. [...]
http://zet10.ipee.pwr.wroc.pl/record/234/files/
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171.
| Modeling of overhead transmission lines with line surge arresters for lightning overvoltages
/ Jaroszewski, M ; Pospieszna, J ; Ranachowski, P ; Rejmund, F
[ENY-ARTICLE-2008-182]
Lightning is one of the most significant source of overvoltages in overhead transmission lines. [...]
http://zet10.ipee.pwr.wroc.pl/record/232/files/
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172.
| Influence of Partial Discharges on ZnO Varistors
/ Jaroszewski, M
[ENY-ARTICLE-2008-181]
The varistors used in HV overvoltage limiters are constantly exposed to operating voltage and environmental hazards and also to transient hazards associated with, among others, overvoltages or pollution. [...]
http://zet10.ipee.pwr.wroc.pl/record/231/files/
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173.
| 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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174.
| 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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175.
| 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. [...]
http://zet10.ipee.pwr.wroc.pl/record/228/files/
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176.
| Conductivity of Aqueous Dust Solutions
/ Chrzan, K L
[I07/1985/P-253]
[ENY-ARTICLE-2008-176]
This paper presents an analysis of the conductivity of aqueous solutions of dusts occurring in the atmosphere, stressing the effect on [overhead] high voltage insulation. [...]
http://zet10.ipee.pwr.wroc.pl/record/226/files/
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177.
| Application de Revêtements en Silicone sur les Isolateurs en Porcelaine en Pologne
/ Chrzan, K L ; Teguar, M
[I07/2008/I-001]
[ENY-ARTICLE-2008-175]
Silicone coatings have been used to improve insulating properties of outdoor insulators, under polluted conditions, for over 30 years. [...]
http://zet10.ipee.pwr.wroc.pl/record/225/files/
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178.
| Power quality evaluation using advanced spectrum estimation methods
/ Leonowicz, Z ; Lobos, T
[I07/2006/I-082]
[ENY-ARTICLE-2008-174]
The authors show that the use of high-resolution spectrum estimation methods instead of Fourier-based techniques can improve the accuracy of measurement of spectral parameters of distorted waveforms encountered in power systems, in particular the estimation of the power quality indices (such as inter/harmonic groups and subgroups) . [...]
http://zet10.ipee.pwr.wroc.pl/record/223/files/
Details vom Eintrag - Ähnliche Datensätze |
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