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Modelling and Simulation in Engineering
Volume 2012 (2012), Article ID 913485, 6 pages
Research Article

Identification of Optimal Path in Power System Network Using Bellman Ford Algorithm

1Department of Electrical & Electronics, St. Josephs College of Engineering, Chennai 600119, India
2Department of Electrical & Electronics, Anna University, Chennai 600025, India

Received 25 April 2012; Accepted 9 August 2012

Academic Editor: Dariusz J. Gawin

Copyright © 2012 S. Hemalatha and P. Valsalal. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Power system network can undergo outages during which there may be a partial or total blackout in the system. In that condition, transmission of power through the optimal path is an important problem in the process of reconfiguration of power system components. For a given set of generation, load pair, there could be many possible paths to transmit the power. The optimal path needs to consider the shortest path (minimum losses), capacity of the transmission line, voltage stability, priority of loads, and power balance between the generation and demand. In this paper, the Bellman Ford Algorithm (BFA) is applied to find out the optimal path and also the several alternative paths by considering all the constraints. In order to demonstrate the capability of BFA, it has been applied to a practical 230 kV network. This restorative path search guidance tool is quite efficient in finding the optimal and also the alternate paths for transmitting the power from a generating station to demand.