DG Allocation and Sizing in Distribution ...

The Distributed Generation (DG) has created a challenge and an opportunity for developing various novel technologies in power generation. The proposed work discusses the primary factors that have lead to an increasing interest in DG. DG reduces line losses and increases system voltage profile. The proposed work finds out the optimal value of the DG location and capacity to be connected to the existing system using modified shuffled frog leaping algorithm (MSFLA) thereby maximizing the system voltage profile and reduces line losses. Benefits of employing DG are analyzed using Voltage Profile Improvement Index (VPII) and Line Loss Reduction Index (LLRI).The proposed method is tested on a standard IEEE-70 bus radial distribution system and the results of the simulation carried out using MATLAB7.0 are found to be encouraging. The method has a potential to be a tool for identifying the best location and rating a DG to be installed for improving voltage profile and reduces line losses in an electrical power system.