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Title: DESIGN OF AN ENHANCED PERFORMANCE HYBRID AUTONOMOUS SYSTEM
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DESIGN OF AN ENHANCED PERFORMANCE HYBRID AUTONOMOUS SYSTEM
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1314-2704
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English
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20
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4.1
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Challenges related to the management of current world energy resources strongly emphasize the necessity to progressively increase renewable energy sources (RES) share in meeting electricity demand. To design efficient and sustainable energy systems, it is mandatory to consider both electrical energy generation characteristics and environment preservation targets. The main objective of intensifying RES deployment nowadays is to concurrently mitigate fossil fuels depletion and environment degradation.
However, to account for RES stochastic nature, it is necessary to use an additional element to perform the power balancing function and mitigate inherent power variations. Electricity storage systems represent a solution, accomplishing multiple functions, such as frequency and voltage regulation for small/large scale applications. Nevertheless, economic factors and very oriented technic features narrow their widespread. A much more adaptable solution to this matter is an alternative voltage source, which could respond better and to a wider range of solicitations, therefore enhancing RES-based systems operation. Furthermore, the interaction with the grid is improved. Diesel generators fall in this category; environmental issues arising from their exploitation could be mitigated by employing biomass-based fuels. This paper addresses the design and numerical modeling principles for a hybrid system comprising a micro-wind turbine, a diesel generator and a three-phase load. The system can operate both connected to the power network and in off-grid mode. The aim of the presented work is to develop a model that enables the analysis of the hybrid system?s behavior in different load conditions and random wind speed input, taking into account a customized efficiency curve. The focus on the efficiency curve is crucial because micro-turbines are particularly sensitive to the variation of wind speed and blade profile. The model is developed in Matlab environment, using Simscape/SimPowerSystems blocks. The advantages of such systems are highlighted and further integration benefits are clearly presented based on simulation results. |
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conference
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20th International Multidisciplinary Scientific GeoConference SGEM 2020
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20th International Multidisciplinary Scientific GeoConference SGEM 2020, 18 - 24 August, 2020
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts & Letters; Acad Fine Arts Zagreb Croatia; C
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45-52
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18 - 24 August, 2020
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website
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cdrom
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7212
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Diesel generator; Hybrid system; Matlab; Micro-wind turbine; Renewable energy
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