DocumentCode
473189
Title
Which One Is Better - Line Differential or Directional Comparison?
Author
Tholomier, D. ; Richards, Sean ; Apostolov, Alex
Author_Institution
AREVA T&D Autom., Montreal, QC
fYear
2008
fDate
17-20 March 2008
Firstpage
86
Lastpage
91
Abstract
High-speed protection of transmission lines for faults anywhere in the zone of protection is achieved using unit protection based on communications between the relays at all ends of the line. The paper compares line differential protection with directional comparison protection in order to present the benefits and deficiencies of each of these two protection systems.
Keywords
power transmission lines; power transmission protection; directional comparison protection; faults; high speed protection; line differential protection; transmission lines; unit protection; zone of protection; Circuit faults; Current measurement; Power system transients; Propagation delay; Relays; Transient analysis; Voltage measurement;
fLanguage
English
Publisher
iet
Conference_Titel
Developments in Power System Protection, 2008. DPSP 2008. IET 9th International Conference on
Conference_Location
Glasgow
ISSN
0537-9989
Print_ISBN
978-0-86341-902-7
Type
conf
Filename
4496965
Link To Document