Optimal Placement of Multi DGs in Distribution System with Considering the DG Bus Available Limits

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Abstract
This paper presents an approach for optimal placement and size of the DGs considering system technical issues such as active and reactive power losses, the voltage profile and the line loading of the system. The solar and wind systems are modelled as constant power factor model and variable reactive power model respectively. The renewable energy DGs placement is limited to a number of busses with the consideration of environmental constrains. In this work, only the solar and wind available busses are considered for optimization for placing the Renewable DGs. The impact indices of the total system are compared with and without considering the DGs limiting busses. This work is tested on 38-bus Distribution Systems. The simulation technique based on Genetic Algorithm is studied.

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