Title :
A practical improvement to stator ground fault protection using negative sequence current
Author :
Patterson, Russell W. ; Eltom, Ahmed
Author_Institution :
Patterson Power Eng., LLC, Chattanooga, TN, USA
Abstract :
This paper discusses the phenomenon of zero sequence voltage coupling from the high-voltage system to the high-impedance grounded low-voltage bus for a synchronous generator and a simple improvement to accelerate stator ground fault protection (59G) using negative sequence current.
Keywords :
stators; synchronous generators; 59G; high-impedance grounded low-voltage bus; high-voltage system; negative sequence current; stator ground fault protection; synchronous generator; zero sequence voltage coupling; Capacitance; Circuit faults; Fuses; Generators; Relays; Stator windings; Relaying; generators; high-impedance; interwinding capacitance; negative sequence;
Conference_Titel :
Power and Energy Society General Meeting (PES), 2013 IEEE
Conference_Location :
Vancouver, BC
DOI :
10.1109/PESMG.2013.6672076
