The Effects of Short Circuits at Medium Voltage Transformers

被引:0
|
作者
Hotea, Alexandru Vasile [1 ]
Tirnovan, Radu Adrian [1 ]
Neamt, Liviu [1 ,2 ]
机构
[1] Univ Tehn Cluj Napoca, Cluj Napoca, Romania
[2] Cent Univ Nord Baia Mare, Cluj Napoca, Romania
关键词
power system transients; voltage control; prophylactic measurements;
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
The paper deals with the study of a defect in the 20 kV network at the power substation. In some cases this could lead to dangerous transient phenomena, associated with overvoltages and current circulations. In this paper such a scenario is discussed showing not only the causes and effects, but also some recommendation to avoid possible damages, based on oscillograms recorded by digital protective relays.
引用
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页数:3
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