Application of quantum-inspired binary gravitational search algorithm for optimal power quality monitor placement

Authors:
Ahmad Asrul Ibrahim;Azah Mohamed;Hussain Shareef
Affiliations:
Department of Electrical, Electronics and System Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Selangor, Malaysia;Department of Electrical, Electronics and System Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Selangor, Malaysia;Department of Electrical, Electronics and System Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Selangor, Malaysia
Venue:
AIKED'12 Proceedings of the 11th WSEAS international conference on Artificial Intelligence, Knowledge Engineering and Data Bases
Year:
2012

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Abstract

This paper presents a combinational quantum-inspired binary gravitational search algorithm (QBGSA) for solving the optimal power quality monitor (PQM) placement problem in power systems for voltage sag assessment. In this algorithm, the standard binary gravitational search algorithm is modified by applying the concept and principles of quantum behaviour as to improve the search capability with faster convergence rate. The optimization considers multi objective functions and handles observability constraints determined by the concept of the topological monitor reach area. The overall objective function consists of three functions which are based on the number of required PQM, monitor overlapping index and sag severity index. The proposed QBGSA is applied on the radial 69- bus distribution system and compared with the conventional binary gravitational search algorithm and binary particle swarm optimization and quantum-inspired binary particle swarm optimization techniques.