Search Results - "Molina, Alexander"

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  1. 1

    Exact minimization of the energy losses and the CO2 emissions in isolated DC distribution networks using PV sources by Molina, Alexander, Montoya, Oscar Danilo, Gil-González, Walter

    Published in Dyna (Medellín, Colombia) (01-06-2021)
    “…This paper addresses the optimal location and sizing of photovoltaic (PV) sources in isolated direct current (DC) electrical networks, considering time-varying…”
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    Journal Article
  2. 2

    Sine-cosine optimization approach applied to the parametric estimation in single-phase transformers by considering voltage and current measures by Bocanegra, Sara Yulieth, Danilo Montoya, Oscar, Molina, Alexander

    Published in Dyna (Medellín, Colombia) (01-01-2021)
    “…In this article, a combinatorial optimization approach for estimating the electrical parameters in single-phase distribution transformers by considering…”
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    Journal Article
  3. 3

    Prevalence and initial diagnostic evaluation of smoking in adolescents from Moa, Holguín by Alexander Torres Molina

    Published in MediSur (01-11-2023)
    “…Foundation: smoking in adolescence constitutes a global public health problem, is being considered the main preventable cause of illness and premature death…”
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    Journal Article
  4. 4

    Association between bronchial asthma severity, control level and life quality in children by Alexander Torres Molina

    Published in MediSur (01-10-2023)
    “…Foundation: bronchial asthma is one of the most prevalent chronic diseases in childhood. The guidelines for diagnosis and treatment are governed by severity,…”
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    Practical Solution for the Reconfiguration Problem in Electrical Distribution Networks: A Constructive Heuristic Approach by Montoya Giraldo, Oscar Danilo, Molina Cabrera, Alexander, Gil González, Walter Julián

    Published in Revista UIS ingenierías (En línea) (01-07-2023)
    “…The problem regarding the reconfiguration of electrical distribution grids is addressed in this research through the implementation of a practical solution…”
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  7. 7

    On the optimal reconfiguration of radial AC distribution networks using an MINLP formulation: A GAMS-based approach by Montoya, Oscar Danilo, Gil González, Walter Julián, Grisales-Noreña, Luis Fernando, Giral, Diego, Molina-Cabrera, Alexander

    Published in Ingeniería e investigación (01-08-2022)
    “…This paper deals with the problem of the optimal reconfiguration of medium voltage distribution networks by proposing a mixed-integer nonlinear programming…”
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    Hybrid Optimization Strategy for Optimal Location and Sizing of DG in Distribution Networks by Gil-González, Walter, Montoya, Oscar Danilo, Grisales-Noreña, Luis Fernando, Ramírez Vanegas, Carlos Alberto, Molina Cabrera, Alexander

    Published in Tecnura (01-10-2020)
    “…Objective: In this paper, is present a hybrid optimization methodology for the optimal location and sizing of distributed generators (DGs) in electrical…”
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  10. 10

    Evaluating the Effect of the Communication Link of the Relays on the Operation Time of the Protection System by Azari, Aliakbar, Noghabi, Abass Saberi, Zishan, Farhad, Montoya, Oscar Danilo, Molina-Cabrera, Alexander

    Published in Energies (Basel) (01-03-2023)
    “…In case of an error in the power system, it is the duty of the protection relays to isolate the faulty part from the rest of the system as soon as possible…”
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    A mixed-integer convex approximation for optimal load redistribution in bipolar DC networks with multiple constant power terminals by Montoya, Oscar Danilo, Molina-Cabrera, Alexander, Gil-González, Walter

    Published in Results in engineering (01-12-2022)
    “…This paper proposes a mixed-integer convex model for optimal load-balancing in bipolar DC networks while considering multiple constant power terminals. The…”
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  15. 15

    A Possible Classification for Metaheuristic Optimization Algorithms in Engineering and Science by Montoya, Oscar Danilo, Molina-Cabrera, Alexander, Gil-González, Walter

    Published in Ingeniería (Bogotá, Colombia : 1993) (01-09-2022)
    “…A Possible Classification for Metaheuristic Optimization Algorithms in Engineering and Science…”
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  16. 16

    Hierarchical Control for DC Microgrids Using an Exact Feedback Controller with Integral Action by Montoya, Oscar Danilo, Serra, Federico Martin, Molina-Cabrera, Alexander

    Published in Computers (Basel) (01-02-2022)
    “…This paper addresses the problem of the optimal stabilization of DC microgrids using a hierarchical control design. A recursive optimal power flow formulation…”
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  17. 17

    Relation between the Branch-to-Node Incidence and Triangular Matrices in Radial Distribution Networks by Montoya, Oscar Danilo, Gil-González, Walter, Molina-Cabrera, Alexander

    Published in Ingeniería (Bogotá, Colombia : 1993) (01-01-2023)
    “…The power flow solution is a classical problem in electrical engineering that has been studied for more than 60 years [1]. One of the most widely used methods…”
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  18. 18

    Stochastic Mixed-Integer Branch Flow Optimization for the Optimal Integration of Fixed-Step Capacitor Banks in Electrical Distribution Grids by Gil-González, Walter Julián, Herrera-Orozco, Andrés Ricardo, Molina-Cabrera, Alexander

    Published in Ingeniería (Bogotá, Colombia : 1993) (01-01-2024)
    “…Context: The use of capacitor banks is the most common and preferred solution for reducing power loss in electrical distribution networks, given their…”
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  19. 19

    El cielo a tiros y el debate de la sicaresca como género. Una lectura desde la estética de la recepción by Maya Franco, Claudia María, Puerta Molina, Andrés Alexander

    Published in Estudios de literatura colombiana (01-07-2022)
    “…Este artículo hace una lectura de la novela El cielo a tiros desde la perspectiva de la estética de la recepción (ER), con el fin de acercarse a dos puntos de…”
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  20. 20

    Construction and Simulation of a Planar Transformer Prototype by Guarín, Sebastián, Velarde, Sergio, Castaño, Edwin, Molina-Cabrera, Alexander

    “…This paper illustrates the design and building of a planar transformer prototype with a 1:1 transformation ratio for high-frequency applications in power…”
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