Optimal Placement of DGs in Distribution System including Different Load Models for Loss Reduction using Genetic Algorithm

Authors

  • Mehdi Hosseini Electrical Engineering Department, Babol Noshirvani University of Technology, Babol, Iran
  • Reza Baghipour Electrical Engineering Department, Babol Noshirvani University of Technology, Babol, Iran
Abstract:

Distributed generation (DG) sources are becoming more prominent in distribution systems due to the incremental demands for electrical energy. Locations and capacities of DG sources have great impacts on the system losses in a distribution network. This paper presents a study aimed for optimally determining the size and location of distributed generation units in distribution systems with different load models. The objective is to minimize network power losses. The impacts of DG model on locating and sizing of DG are also presented considering different voltage dependent load models. Also, different types of customers such as industrial, residential, and commercial loads are considered for load modeling. The optimization problem has been solved using genetic algorithm. For simulation purpose, this algorithm has been executed on 33-bus and 69-bus test systems. Results show that type of DG modeling and load modeling has considerable effect on determination of the optimum siting and sizing of DGs. Also, DGs installation in optimum size and location has considerable effect on loss reduction and voltage improvement of distribution system.

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Journal title

volume 4  issue 3

pages  55- 68

publication date 2013-08-01

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