Optimal Combined Overcurrent and Distance Relays Coordination Incorporating Intelligent Overcurrent Relays Characteristic Selection

In this paper, a new objective function (OF) within the genetic algorithm (GA) approach is presented to solve the optimization problem of coordination of overcurrent and distance relays. The existing objective function of overcurrent (O/C) relays coordination is improved and extended to include the...

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Bibliographic Details
Published in:IEEE transactions on power delivery 2011-07, Vol.26 (3), p.1381-1391
Main Authors: Mohammadi Chabanloo, R., Askarian Abyaneh, Hossein, Hashemi Kamangar, Somayeh Sadat, Razavi, F.
Format: Article
Language:English
Subjects:
Applied sciences
Biological cells
Computer simulation
Connection and protection apparatus
Distance relay
Electrical engineering. Electrical power engineering
Electrical power engineering
Exact sciences and technology
Fault location
genetic algorithm (GA)
Genetic algorithms
Linear programming
Miscellaneous
Networks
O/C relay
optimal coordination
Optimization
Overcurrent
Power networks and lines
Protective relaying
relay characteristics
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Description
Summary:In this paper, a new objective function (OF) within the genetic algorithm (GA) approach is presented to solve the optimization problem of coordination of overcurrent and distance relays. The existing objective function of overcurrent (O/C) relays coordination is improved and extended to include the coordination of O/C and distance relays. Various O/C relays characteristics are considered within the approach to select the best of them by GA to fulfill optimal coordination. The proposed method is applied to two different power system networks. Simulation results demonstrate that the method can obtain feasible and effective solutions for optimal coordination in the practical power system networks.
ISSN:0885-8977
1937-4208
DOI:10.1109/TPWRD.2010.2082574