Analyzing the impacts of optimally allocated distributed energy resources on harmonics in radial distribution networks

摘要

This paper presents an approach of distributed energy resources planning in today's harmonically distorted radial distribution. This scenario of the distribution system has been continuously moving towards a worst situation, which has lots of power electronics devices (non-linear load). The non-linear load demand of the system is exponential increasing during last few decades. Therefore, complexity of the distribution system increases with the presence of both of the problems. The distributed energy resources can mitigate increasing load demand with improved technical performance considering the impact of non-linear load in the planning formulation. Therefore, this paper addresses both issues. The particle swarm optimization based approach using harmonics load flow method to mitigate the power quality issues with the help of optimal planning of distributed energy resources. A typical IEEE 31-bus rural radial distribution system containing the both type of loads (linear and non-linear) is tested for five different cases to incorporate the realistic approach.