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IJSTR >> Volume 3- Issue 7, July 2014 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

Optimal Placement & Sizing Of Distributed Generation (DG) To Minimize Active Power Loss Using Particle Swarm Optimization (PSO)

[Full Text]



Deepak Pandey, Jitendra Singh Bhadoriya



Keywords: DG, PSAT, PSO, Loss minimization, Radial distribution system.



Abstract: Growing concerns over environmental impacts, conditions for improvement of the whole distribution network, and rebate programs offered by governments have contributed to an increment in the number of DG units in commercial and domestic electrical power output. It is known that the non optimal size and non optimal placement of DG units may lead to high power losses, bad voltage profiles. Therefore, this paper introduces a sensitivity analysis to determine the optimal sitting and sizing of DG units. A new methodology PSO for the placement of DG in the radial distribution systems to reduce the active power losses and to improve the voltage profile. A two-stage methodology is practiced for the optimal DG placement. In the first stage Power System Analysis Toolbox (PSAT), an open source MATLAB software package for analysis and design of small to medium size electric power systems for power flow and in the second stage, PSO is used to find the optimal size and site of DG in distribution systems. The effectiveness of the proposed method is demonstrated through IEEE 16 bus standard test systems.



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