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허재행(Jae-Haeng Heo),박근표(Geun-Pyo Park),운용태(Yong Tae Yoon),박종근(Jong Keun Park),이상성(Sang-Seung Lee) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
In deregulated power market, Transmission companies not only decrease their operation costs, but also take opportunities to maximize their profit. On the other hand, they should operate to meet customer needs for reliability. In this respect, they need to make the maintenance strategies considering the tradeoff between cost and reliability. This paper proposes the equipment state modeling through modified semi-Markov chain that has deterioration stages by considering characteristics of equipment. Besides, the effects of equipment failure on the system are presented in terms of a cost using the DC-Optimal Power Flow (OPF). The paper includes test the results using Genetic Algorithm (GA) on the IEEE 9-bus system. The results show the optimal maintenance strategy which minimizes operation costs.