Optimization of reliability electric power transmission and distribution networks

The problem of quality services provided by suppliers of electricity is currently a major problem due to significant economic implications given the complexity and cost of electric power transmission and distribution systems on the one hand and consumers on the other side who are becoming more demanding in regarding the quality of electricity supplied.Starting from this real situation, the paper develops nonlinear mathematical model of optimization of reliability through redundancy, knowing that according to literature, redundancy helps to increase system reliability.