Abstract

AbstractRecently technological innovation, environmental concerns and market liberalization help to penetrate Distributed Generation (DG) of significant number and capacity into power distribution system. This paper represents technique to minimize power losses in a distribution feeder by optimizing DG model in terms of size and location. A novel Voltage Stability Indicator (VSI) is proposed that can identify critical buses in distribution system. Based on VSI, the suitable location of distributed generator is identified. Desired size of DG is evaluated by simulating ANN model with proper training. The proposed methodology is tested by checking through 15 bus radial distribution and 52 bus practical distribution systems. There are considerable improvements of voltage profiles of the buses after appropriate allocation of DG. Appreciable reductions of distribution power losses for both the systems are also obtained.KeywordsVoltage stability indicatorANN modelPriority listDG size

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