Optimal DG Placement and Sizing in Radial Distribution Systems Using NSGA-II for Power Loss Minimization and Voltage Stability Enhancement


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Abstract


The present paper describes a multi-objective optimization approach to determine the optimal placement and sizing of Distributed Generation (DG) units in radial distribution systems. The main objectives are to minimize the active power loss and to enhance the voltage stability. Non-dominated Sorting Genetic Algorithms II (NSGA-II) is used to obtain the set of Pareto optimal solutions, which form a numerous set of non-dominated solutions and will be employed by the Decision Maker (power system operator) to select the best compromise solution. A detailed performance analysis is applied on 12, 33, 69 and 85 bus systems to illustrate the effectiveness of the proposed method.
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Keywords


Distributed Generation; Non-Dominated Sorting Genetic Algorithm-II (NSGA-II); Multi-Objective; Power Losses; Voltage Stability; Stability Index; Radial Distribution Systems

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