Development of a Microgrid Management System for Reliable Operation Considering Distributed Generators

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Introduction: The microgrid system comprising of small-scale distributed generation system and loads can be promptly incorporated by means of the renewable energy sources [1-2]. Numerous researches have been conducted on the microgrid notion [3-5]. The performance of microgrid system is complex and irregular while some microsources are associated. In order to understand the behavior of a microgrid with several microsources, key issues such as microgrid control, stability, and protection have to be considered in detail. The increasing require of electricity, fast exhaustion of fossil fuels, diminution of CO2 emissions, in conjunction with the incapability, and ineffectiveness of present electricity grid are motivating chief changes in electricity production, circulation, and consumption guides around the globe. In recent times, smart electricity grid configurations comprised with interlinked small or medium dimension generators, energy storage elements, and power electronic technologies have been germinated to find the key limitations of the conventional grid structure. Microgrids are major ingredients of these promising grid configurations. Even though microgrids are received as feasible solutions to power stability and quality topics in ac power systems, the ambiguity in the capacity of microgrids are to deal with serious changeable load and fault situation, which are the most important pertain in the function of these novel grid configurations. In the previous decennium, enormous attentions were elevated on the subject of distributed generation units, for instance, solar photovoltaic panels, wind turbine generators, and fuel cells. These Distributed Generation (DG) units’... ... middle of paper ... ...transfer in active distribution systems”, IEEE Trans. Smart Grid., vol. 2, no. 2, pp. 352-362, 2011. [26]. X. Ding and P. A. Crossley, “Islanding detection for distributed generation”, IEEE Russia Power Tech Conference, 2005, pp. 1-4. [27]. J. M. Guerrero, J. C. Vásquez, J. Matas, M. Castilla, and L. G. Vicuña, “Control Strategy for flexible microgrid based on parallel line-interactive UPS systems”, IEEE Trans. Ind. Electron., vol. 56, no. 3, pp. 726-736, 2009. [28]. D. J. Cornforth, S. Sayeef, and T. Moore, “Beyond overcurrent protection: distributed generation in the future grid”, Proc. IEEE PES Innovative Smart Grid Technologies Conf., 2011, pp. 1- 8. [29]. V. Calderaro, C. N. Hadjicostis, A. Piccolo and P. Siano, “Failure identification in smart grids based on petri net modeling”, IEEE Trans. Ind. Electron., vol. 58, no. 10, pp. 4613-4623, 2011.

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