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        On the efficiency in electrical networks with ac and dc operation technologies: A comparative study at the distribution stage

        Fecha
        2020-08-20
        Registro en:
        Montoya, O.D.; Serra, F.M.; De Angelo, C.H. On the Efficiency in Electrical Networks with AC and DC Operation Technologies: A Comparative Study at the Distribution Stage. Electronics 2020, 9, 1352.
        https://hdl.handle.net/20.500.12585/9539
        https://www.mdpi.com/2079-9292/9/9/1352
        10.3390/electronics9091352
        Universidad Tecnológica de Bolívar
        Repositorio Universidad Tecnológica de Bolívar
        http://repositorioslatinoamericanos.uchile.cl/handle/2250/3725502
        Autor
        Montoya, Oscar Danilo
        Martín-Serra, Federico
        De Angelo, Cristian Hernan
        Institución
        • Universidad Tecnológica de Bolivar UTB (Colombia)
        Resumen
        This research deals with the efficiency comparison between AC and DC distribution networks that can provide electricity to rural and urban areas from the point of view of grid energy losses and greenhouse gas emissions impact. Configurations for medium- and low-voltage networks are analyzed via optimal power flow analysis by adding voltage regulation and devices capabilities sources in the mathematical formulation. Renewable energy resources such as wind and photovoltaic are considered using typical daily generation curves. Batteries are formulated with a linear representation taking into account operative bounds suggested by manufacturers. Numerical results in two electrical networks with 0.24 kV and 12.66 kV (with radial and meshed configurations) are performed with constant power loads at all the nodes. These simulations confirm that power distribution with DC technology is more efficient regarding energy losses, voltage profiles and greenhouse emissions than its AC counterpart. All the numerical results are tested in the General Algebraic Modeling System widely known as GAMS.
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        Red de Repositorios Latinoamericanos
        + de 8.000.000 publicaciones disponibles
        500 instituciones participantes
        Dirección de Servicios de Información y Bibliotecas (SISIB)
        Universidad de Chile
        Ingreso Administradores
        Colecciones destacadas
        • Tesis latinoamericanas
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        • Argentina
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        Dirección de Servicios de Información y Bibliotecas (SISIB)
        Universidad de Chile
        Red de Repositorios Latinoamericanos | 2006-2018