Electrical Engineering Wroclaw University of Technology

Electrical Engineering Wroclaw University of Technology 22 records found  beginprevious13 - 22  jump to record: Search took 0.01 seconds. 
13.
OUTDOOR INSULATORS AND HOUSINGS BREAKDOWNS CAUSED BY POLLUTION / Chrzan, K L ; Znaidi, R [ENY-ARTICLE-2012-310]
A heavy pollution on outdoor insulators causes electrical discharges, flashovers, surface erosion or tracking. [...]
http://zet10.ipee.pwr.wroc.pl/record/397/files/
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14.
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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15.
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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16.
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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17.
Temperature monitoring of metal oxide surge arresters / Chrzan, K L ; Hinrichsen, V. [ENY-ARTICLE-2013-343]
Varistor overtemperature above the ambient is an important state parameter of metal oxide surge arresters. [...]
http://zet10.ipee.pwr.wroc.pl/record/430/files/
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18.
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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19.
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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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.
Degradation of metal oxide varistors caused by electrical stresses / Chrzan, K L [ENY-ARTICLE-2013-350]
The degradation of ZnO elements under AC or DC operating voltage and impulse current is described. [...]
http://zet10.ipee.pwr.wroc.pl/record/437/files/
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22.
Degradation and destruction of ZnO varistors caused by current pulses / Chrzan, K L ; Wroblewski, Z. [ENY-ARTICLE-2013-345]
Although the modern metal oxide elements are resistant to degradation caused by continuous operating voltage the degradation or destruction caused by current impulses, especially lightning currents, is still a serious problem. [...]
http://zet10.ipee.pwr.wroc.pl/record/432/files/
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