Conference Proceeding

An adaptive distance scheme for double circuit line protection

Univ. of Tehran, Tehran
10/2007; DOI:10.1109/UPEC.2007.4468966 ISBN: 978-1-905593-36-1 pp.310 - 315 In proceeding of: Universities Power Engineering Conference, 2007. UPEC 2007. 42nd International
Source: IEEE Xplore

ABSTRACT An adaptive scheme for parallel line protection is described in this paper. This scheme uses line operation status prepared based on the field data, to adjust its zone limits in a way to achieve maximum coverage and mal-operation free behaviour. When the status signals are not available a worst case zone characteristic is used. The performance of the scheme has been tested using a simulated network and the results are presented.

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Keywords

line operation status
 
mal-operation free behaviour
 
maximum coverage
 
parallel line protection
 
status signals
 
worst case zone characteristic
 
zone limits
 

M Sharifzadeh