Abstract
The optimal installation of a renewable distributed generation (DG) in a radial distribution network (RDN) provides a sustainable and clean solution for the future smart network. A weighted-sum multi-objective approach is applied to determine the optimal location of solar PV-DG followed by a PSO algorithm to find optimal DG size. The impact of optimal DG allocation in distorted and non-distorted distribution network is efficaciously demonstrated and validated on IEEE 33-bus RDN. The harmonic analysis in the presence of the six-pulse converter non-linear load and non-linear DG is carried out for IEEE 34-bus network. The non-linear loads are modelled as harmonic current source. As composite load model provides lowest voltage drop with decreased capital investment cost, hence, its effect and the effect of constant power load model on energy loss saving, network loss and total harmonic distortion at various load levels is being analysed. The harmonic load flow results obtained considering non-linear and linear loads are compared to other analytical methods and nature-inspired techniques to illustrate the robustness of the proposed strategy for enhancing the performance of the network. The statistical significance of the results is verified by the Wilcoxon test.
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