Journal
SUSTAINABLE ENERGY GRIDS & NETWORKS
Volume 5, Issue -, Pages 13-26Publisher
ELSEVIER
DOI: 10.1016/j.segan.2015.10.005
Keywords
Distribution system; Distributed generation; Long term evaluation; Loss minimization; Monte Carlo method; Parallel computing
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The analysis of actual distribution systems with penetration of distributed generation requires powerful tools with capabilities that until very recently were not available in distribution software tools; for instance, probabilistic and time mode simulations. This paper presents the work made by the authors to expand some procedures previously implemented for using OpenDSS, a freely available software tool for distribution system studies, when it is driven as a COM DLL from MATLAB using a parallel computing environment. The paper details the application of parallel computing to the allocation of distributed generation for optimum reduction of energy losses in a multi-feeder distribution system when the system is evaluated during a long period (e.g., the target is to minimize energy losses for periods longer than one year) and voltage-dependent load models are used. The long term evaluation is carried out by assuming that the connection of the generation units is sequential, and using a divide and conquer approach to speed up calculations. The main goals are to check the viability of a Monte Carlo method in some studies for which parallel computing can be advantageously applied and propose a procedure for quasi-optimum allocation of photovoltaic generation in a multi-feeder distribution system. (C) 2015 Elsevier Ltd. All rights reserved.
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