Influence of direct stray current on differential protection switch

被引：0
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作者：
Hrobat, Primoz [1 ]
Istenič, Marko [2 ]
Zunko, Peter [2 ]
Mihalič, Rafael [2 ]
机构：
[1] Elektroinštitut Milan Vidmar, Hajdrihova 2, 1000 Ljubljana, Slovenia
[2] Fakulteta za Elektrotehniko, Univerza v Ljubljani, Trzaška 25, 1000 Ljubljana, Slovenia
来源：
Elektrotehniski Vestnik/Electrotechnical Review | 2003年 / 70卷 / 04期
关键词：
Computer aided network analysis - Electric current control - Electric current measurement - Electric railroads - Electric switches - Voltage measurement;
D O I：
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中图分类号：
学科分类号：
摘要：
The effect of the direct current on the operation of differential protection current switches used for the TN-C and TT protection systems was examined. The concept of the direct current effect on the protection switch operation was verified with a simulation package named Netomac of the Siemens AG manufacture. Such simulation allowed for the evaluation of direct array currents under different conditions of a particular electrified-rail-system as well as current values and induces voltages in the coil during the differential protection switch operation.
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页码：178 / 183
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