• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology


Indian Journal of Science and Technology

Year: 2011, Volume: 4, Issue: 9, Pages: 1025-1030

Original Article

Harmony search algorithm for power system stabilizer tuning


The problem of tuning Power system stabilizers (PSSs) is commonly formulated as a nonlinear optimization problem with some constraints. In this paper a new optimization technique based on Harmony Search (HS) to solve the proposed optimization problem is presented. This is a very complex nonlinear programming problem. A constructive heuristic algorithm aimed at obtaining an excellent quality solution for this problem is presented. Results of the tests, carried out with a multi machine electric power system, show the capabilities of the method and also the viability of using the HS to solve the problem.
Keywords: Multi Machine Power System, Power System Stabilizer, Low Frequency Oscillations, Harmony Search Algorithm 


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