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specialty journal of electronic and computer sciences
Volume 2, 2016, Issue 2
Loss Reduction due Optimization of Capacitor Placement Using DPSO Algorithm; Case Study in Kerman
Mahdi Mozaffari Legha, Kami Kamalodin
Pages: 1-9
Increasing application of capacitor banks on distribution networks is the direct impact of development of technology and the energy disasters that the world is encountering. To obtain these goals the resources capacity and the installation place are of a crucial importance. Line loss reduction is one of the major benefits of capacitor, amongst many others, when incorporated in the power distribution system. The quantum of the line loss reduction should be exactly known to assess the effectiveness of the distributed generation. In this paper, a new method is proposed to find the optimal and simultaneous place and capacity of these resources to reduce losses, improve voltage profile too the total loss of a practical distribution system is calculated with and without capacitor placement and an index, quantifying the total line loss reduction is proposed. To demonstrate the validity of the proposed algorithm, computer simulations are carried out on actual power network of Kerman Province, Iran and the simulation results are presented and discussed.
New Approach to Optimal Distribution System Planning for Productivity Improvement Using Genetic Algorithm
Mahdi Mozaffari Legha, Asef Doroshteh
Pages: 10-17
In medium voltage electrical distribution networks, prevent the loss reduction is very important and certainly in line with this, system engineering issue and use of proper equipment, a good work has been done. Development of distribution systems result in higher system losses and poor voltage regulation. Consequently, an efficient and effective distribution system has become more urgent and important. Hence proper selection of conductors in the distribution system is important as it determines the current density and the resistance of the line. Evaluation aging conductors for losses and costs imposed in addition to the careful planning of technical and economic networks can be identified in the network design. This paper examines the use of different evolutionary algorithms, imperialist competitive algorithm (GA) to optimal branch conductor Selection and Reconstruction In view of the aging conductors in planning radial distribution systems with the objective to minimize the overall cost of annual energy losses and depreciation on the cost of conductors in order to improve productivity. Simulations are carried out on 69-bus radial distribution network using GA approaches in order to show the accuracy as well as the efficiency of the proposed solution technique.
New Approach to Conductor Size Selection in Radial Distribution Systems
Mahdi Mozaffari Legha, Mahmoud Sohrabzadeh
Pages: 18-24
Development of distribution systems result in higher system losses and poor voltage regulation. Consequently, an efficient and effective distribution system has become more urgent and important. Hence proper selection of conductors in the distribution system is important as it determines the current density and the resistance of the line. This paper examines the use of different evolutionary algorithms, imperialist competitive algorithm (ICA), to optimal branch conductor selection in planning radial distribution systems with the objective to minimize the overall cost of annual energy losses and depreciation on the cost of conductors and reliability in order to improve productivity. Furthermore, The Backward-Forward sweep iterative method was adopted to solve the radial load flow analysis. Simulations are carried out on 69-bus radial distribution network using ICA approach in order to show the accuracy as well as the efficiency of the proposed solution technique.

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specialty journal of electronic and computer sciences Issue 2, Volume 4, 2018