Title :
Fast and selective clearance of earth faults in high impedance earthed networks, with meshed structure
Author :
Claesson, Christer ; Messing, Lars
Author_Institution :
Vattenfall Sveandt, Sweden
Abstract :
In this paper a method for high-speed selective clearance of phase to earth faults, in meshed high impedance earthed networks, is described. This method is based on normal directional earth fault current protections, using a simple communication scheme.
Keywords :
earthing; fault currents; power distribution faults; power distribution protection; relay protection; 10 to 70 kV; high impedance earthed networks; high-speed selective clearance; meshed network; overvoltage protection; phase-earth faults; power distribution faults; power distribution protection; relay protection;
Conference_Titel :
Developments in Power System Protection, 2004. Eighth IEE International Conference on
Print_ISBN :
0-86341-385-4
DOI :
10.1049/cp:20040162
