Particle Swarm Optimization (PSO) based optimum Distributed Generation (DG) location and sizing for Voltage Stability and Loadability Enhancement in Radial Distribution System


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Abstract


This paper presents a new approach for optimum Distributed Generation
(DG) location and sizing based on voltage stability maximization and minimization of
real power losses. In this paper a new index is proposed which combines both voltage
stability index (VSI) and line voltage stability index (LVSI) for identifying the weakest
bus and branch in a radial distribution network is considered in the fitness function.
Minimization of real power losses is also considered in the fitness function. In this paper
Particle Swarm Optimization (PSO) is used to solve this fitness function. The
effectiveness of the proposed method has been successfully tested on 12-bus, 30-bus, 33-
bus and 69-bus radial distribution networks and the results are found to be in very good
agreement.


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Keywords


Distributed Generation (DG); Line Voltage Stability Index (LVSI); Particle Swarm Optimization (PSO); Radial Distribution Networks; Voltage Stability Index (VSI); Weakest Branch and Bus

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References


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