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Generator maintenance scheduling in power systems using metaheuristic-based hybrid approaches

By Keshav P. Dahal and N. Chakpitak

Abstract

NoThe effective maintenance scheduling of power system generators is very important for the economical and reliable operation of a power system. This represents a tough scheduling problem which continues to present a challenge for efficient optimization solution techniques. This paper presents the application of metaheuristic approaches, such as a genetic algorithm (GA), simulated annealing (SA) and their hybrid for generator maintenance scheduling (GMS) in power systems using an integer representation. This paper mainly focuses on the application of GA/SA and GA/SA/heuristic hybrid approaches. GA/SA hybrid uses the probabilistic acceptance criterion of SA within the GA framework. GA/SA/heuristic hybrid combines heuristic approaches within the GA/SA hybrid to seed the initial population. A case study is formulated in this paper as an integer programming problem using a reliability-based objective function and typical problem constraints. The implementation and performance of the metaheuristic approaches and their hybrid for the test case study are discussed. The results obtained are promising and show that the hybrid approaches are less sensitive to the variations of technique parameters and offer an effective alternative for solving the generator maintenance scheduling problem

Topics: Generator Maintenance Scheduling, Genetic Algorithms, Heuristic, Reliability, Simulated Annealing
Year: 2007
DOI identifier: 10.1016/j.epsr.2006.06.012
OAI identifier: oai:bradscholars.brad.ac.uk:10454/4070
Provided by: Bradford Scholars
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