Utilize este identificador para referenciar este registo: http://hdl.handle.net/1822/38659

TítuloMultifunctional converter to interface renewable energy sources and electric vehicles with the power grid in smart grids context
Autor(es)Monteiro, Vítor Duarte Fernandes
Pinto, J. G.
Exposto, Bruno Fernandes
Pedrosa, Delfim Duarte Rolo
Afonso, João L.
Palavras-chaveElectric Vehicle
Renewables
Power Converters
Smart Grids
DataJun-2015
EditoraUniversidade do Minho
RevistaICEE International Conference on Energy & Environment
Resumo(s)This paper proposes a multifunctional converter to interface renewable energy sources (e.g., solar photovoltaic panels) and electric vehicles (EVs) with the power grid in smart grids context. This multifunctional converter allows deliver energy from the solar photovoltaic panels to an EV or to the power grid, and exchange energy in bidirectional mode between the EV and the power grid. Using this multifunctional converter are not required multiple conversion stages, as occurs with the traditional solutions, where are necessary two power converters to integrate the solar photovoltaic system in the power grid and also two power converters to integrate an off-board EV battery charger in the power grid (dc-dc and dc-ac power converters in both cases). Taking into account that the energy provided (or delivered) from the power grid in each moment is function of the EV operation mode and also of the energy produced from the solar photovoltaic system, it is possible to define operation strategies and control algorithms in order to increase the energy efficiency of the global system and to improve the power quality of the electrical system. The proposed multifunctional converter allows the operation in four distinct cases: (a) Transfer of energy from the solar photovoltaic system to the power grid; (b) Transfer of energy from the solar photovoltaic system and from the EV to the power grid; (c) Transfer of energy from the solar photovoltaic system to the EV or to the power grid; (d) Transfer of energy between the EV and the power grid. Along the paper are described the system architecture and the control algorithms, and are also presented some computational simulation results for the four aforementioned cases. It is also presented a comparative analysis between the traditional and the proposed solution in terms of operation efficiency and estimated cost of implementation.
TipoconferencePaper
URIhttp://hdl.handle.net/1822/38659
ISSN2183-3982
Arbitragem científicayes
AcessoopenAccess
Aparece nas coleções:CAlg - Artigos em livros de atas/Papers in proceedings

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