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Numerical Simulation of Distance Protection on Three Terminal High Voltage Transmission Lines (CROSBI ID 155677)

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Nikolovski, Srete ; Marić, Predrag ; Prhal, Dalibor Numerical Simulation of Distance Protection on Three Terminal High Voltage Transmission Lines // Advanced engineering, 3 (2009), No.2; 195-210

Podaci o odgovornosti

Nikolovski, Srete ; Marić, Predrag ; Prhal, Dalibor

engleski

Numerical Simulation of Distance Protection on Three Terminal High Voltage Transmission Lines

Transmission lines are protected by special devices called distance numerical protection relays. The presence of a T-connection on a third terminal transmission line can drastically affect the performance of a distance relay at other terminals. The paper presents modeling and simulation of numerical distance protection relays using DIgSILENT software on real three terminal (T-terminal) 110 kV transmission lines. A sample case of a part of 110 kV, high voltage transmission network in HEP TSO Transmission area Zagreb, which includes a section of T-terminal transmission line is analyzed. Three phase and single line to ground faults were simulated on each 110 kV transmission line section and a time response of polygonal characteristic of numerical distance relay were presented.

Distance numerical protection; three terminal line; apparent impedance; computer simulation; DIgSILENT PowerFactory software

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Podaci o izdanju

3 (No.2)

2009.

195-210

objavljeno

1846-5900

Povezanost rada

Elektrotehnika