Optimal Location and Sizing of UPQC in Distribution Networks Using Differential Evolution Algorithm
نویسندگان
چکیده
Differential evolution DE algorithm is used to determine optimal location of unified power quality conditioner UPQC considering its size in the radial distribution systems. The problem is formulated to find the optimum location of UPQC based on an objective function OF defined for improving of voltage and current profiles, reducing power loss and minimizing the investment costs considering the OF’s weighting factors. Hence, a steady-state model of UPQC is derived to set in forward/backward sweep load flow. Studies are performed on two IEEE 33-bus and 69-bus standard distribution networks. Accuracy was evaluated by reapplying the procedures using both genetic GA and immune algorithms IA . Comparative results indicate that DE is capable of offering a nearer global optimal in minimizing the OF and reaching all the desired conditions than GA and IA.
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