OPTIMAL PLACEMENT AND SIZE OF DISTRIBUTED GENERATION IN RADIAL DISTRIBUTION SYSTEM USING WHALE OPTIMIZATION ALGORITHM
Keywords:
Distribution generation, whale optimization algorithm, radial distribution network 1Abstract
Distributed generation (DG) is small-scale energy generation which is closely installed to a load area. It is widely preferred in distribution networks due to its potential solution for loss mitigation and voltage profile improvement. The purposes of this research paper are to find the optimal location and size of the DG in a distribution system. The Newton-Raphson power flow method is used to solve the power flow in the system. In this paper, the overall active power loss minimization in the system is the objective function. The optimal location and sizing of the DG can be obtained by using, respectively, the fast voltage stability index and whale optimization algorithm which is the most recent metaheuristic optimization algorithm based on the natural hunting behaviour of the humpback whale. Moreover, the proposed algorithm is evaluated through 15 and 33 buses of the radial distribution networks. Furthermore, 3 kinds of the DG contribution are considered to compare the efficiency and performance. The results show the effectiveness and great performance of the proposed method in determining the optimal size and location of the DG in distribution systems.
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