الفهرس 
Chapter 1: IntroductionOnly 14 pages are availabe for public view
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Abstract
In order to overcome the problems of radial distribution systems, such as voltage distortion, low terminal voltage, lack of reliability, and increased power loss, to solve these problems, various methods have been proposed. Using various methods one of these is reconfiguration of radial distribution systems, and the network is reconfigured by fragmentation of the interconnecting switches and modifying the state Closing / opening. The main purpose of reconfiguration is to find the optimal reconfiguration network in order to reduce active power loss, optimize voltage, and meet power demand. Distributed Generators (DGs) is the second method used to overcome these problems. DG is a method of producing electricity using small scale technology near power customers. Modular generators that can be powered by both conventional and renewable energy sources are common in techniques for seeking optimal DG allocation and ensuring optimal RDN reconfiguration.
Therefore, in this thesis simulate the different methods of system reconfiguration and DG assignment, which are based on minimizing active losses and increasing bus voltage based on BPSO, BJA and GOA algorithms. The power flow calculation for the radial distribution system is performed using BFS, These optimization techniques are also applied to obtain optimal network reconfiguration and maximum DG benefits, using two objective functions, bus voltage maximization, and active power loss reduction under constraints. These functions are used single and multi-objective function (SOF/MOF). It is tested on a 33 bus distribution system, and the results obtained are discussed, the comparison between the proposed methods used, and the selection of the best modern methods to achieve the aforementioned goals.