Title :
A New Algorithm of Line Selection by Using Principle of Traveling Wave in Small Current Grounding Fault
Author :
Fengxiang, Li ; Weijin, Zhu
Author_Institution :
Coll. of Electron. & Inf. Eng., Jiang Su Univercity, Zhenjiang, China
Abstract :
This paper attempts to use a novel algorithm of traveling wave caused by the transient condition and the sudden change of the point of failure when traveling wave invades the transformer substation, gain the polar and amplitude characteristic of current front traveling wave in various lines, constitute line selection protection algorithm, complete line selection of single-phaseground fault in the distribution network, enhance swift, accuracy and reliability of the relay protection by cutting faulty line and then enhance stability of the power system.
Keywords :
earthing; power system faults; power system stability; power transformer protection; relay protection; substations; amplitude characteristic; distribution network; faulty line; line selection protection algorithm; power system stability; relay protection; single-phase ground fault; small current grounding fault; transformer substation; transient condition; traveling wave; Circuit faults; Educational institutions; Electrical engineering; Fault location; Grounding; Power system stability; Transient analysis; faulty line selection; initial traveling wave; transmission characteristic; traveling wave;
Conference_Titel :
Electrical and Control Engineering (ICECE), 2010 International Conference on
Conference_Location :
Wuhan
Print_ISBN :
978-1-4244-6880-5
DOI :
10.1109/iCECE.2010.771
