Electrical Engineering Wroclaw University of Technology

Electrical Engineering Wroclaw University of Technology 28 records found  beginprevious19 - 28  jump to record: Search took 0.00 seconds. 
19.
Diagnostics of high voltage metal oxide arresters procedure errors / Chrzan, K L ; Koehler, W [I07/2000/I-059] [ENY-ARTICLE-2008-193]
A technique has been described which can determine ac resistive current directly or by obtaining the watt loss of the test specimen and dividing by the true rms (trms) value or the applied voltage. [...]
http://zet10.ipee.pwr.wroc.pl/record/247/files/
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20.
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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21.
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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22.
Thin Film Arresters Obtained by Metal Evaporation / Ziaja, J [ENY-ARTICLE-2008-136]
Ceramic varistors based on zinc oxide have been shown to have excellent properties as protection devices used in power industry. [...]
http://zet10.ipee.pwr.wroc.pl/record/174/files/
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23.
Model of medium voltage metal oxide arrester / Chrzan, K L ; Pohl, Z ; Furgal, J [ENY-ARTICLE-2012-328]
Modelling of MOA is necessary for many reasons and a considerable progress in this field has been made. [...]
http://zet10.ipee.pwr.wroc.pl/record/415/files/
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24.
Modeling of overhead transmission lines with line surge arresters for lightning overvoltages / Jaroszewski, M ; Pospieszna, J ; Ranachowski, P ; Rejmund, F [ENY-ARTICLE-2012-312]
Lightning is one of the most significant source of overvoltages in overhead transmission lines. [...]
http://zet10.ipee.pwr.wroc.pl/record/399/files/
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25.
Leakage Current on Porcelain and Silicone Insulators Under Sea or Light Industrial Pollution / Chrzan, K L ; Vosloo, W L ; Holtzhausen, J P [ENY-ARTICLE-2012-309]
Abstract—The leakage current on heavily polluted silicone rubber insulators is usually smaller than on similarly polluted porcelain insulators. [...]
http://zet10.ipee.pwr.wroc.pl/record/396/files/
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26.
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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27.
Methods of Determining Internal Parameters of Varistor Model / Jaroszewski, M ; Kostyla, P [ENY-ARTICLE-2008-122]
ZnO varistors are semiconductor devices with highly nonlinear current-voltage characteristic and are widely used as devices for overvoltage protection. [...]
http://zet10.ipee.pwr.wroc.pl/record/160/files/
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28.
Thermally stimulated currents of Zn-Bi-O thin film arresters / Gubanski, A ; Ziaja, J ; Mista, W [AZ I07/03/P-001] [ENY-ARTICLE-2008-045]
Ceramic varistors based on zinc oxide have excellent properties as protection devices used in power industry. [...]
http://zet10.ipee.pwr.wroc.pl/record/54/files/
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