Iranian Journal of Electrical and Electronic Engineering
Iran University of Science and Technology
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Volume 1, Issue 3 (July 2005)
IJEEE 2005, 1(3): 53-66 |
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F. Namdari, S. Jamali, P. A. Crossley. Power Differential based Wide Area Protection. IJEEE 2005; 1 (3) :53-66
URL: http://ijeee.iust.ac.ir/article-1-56-en.html
URL: http://ijeee.iust.ac.ir/article-1-56-en.html
Abstract: (9186 Views)
Current differential based wide area protection (WAP) has recently been
proposed as a technique to increase the reliability of protection systems. It increases system
stability and can prevent large contingencies such as cascading outages and blackouts. This
paper describes how power differential protection (PDP) can be used within a WAP and
shows that the algorithm operates correctly for all types of system faults whilst preventing
unwanted tripping, even if the data has been distorted by CT saturation or by data
mismatches caused by delays in the WAP data collection system.
The PDP algorithm has been simulated and tested on an Iranian 400kV transmission line
during different fault and system operating conditions. The proposed operating logic and
the PDP algorithm were also evaluated using simulation studies based on the Northern
Ireland Electricity (NIE) 275 kV network. The results presented illustrate the validity of the
proposed protection.
Type of Study: Research Paper |
Received: 2008/10/13 | Revised: 2010/10/12 | Accepted: 2010/10/12
Received: 2008/10/13 | Revised: 2010/10/12 | Accepted: 2010/10/12
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