Browsing by Autor "Asheyn Rivera Fajardo"

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    Assessment of Distributed PV Hosting Capacity in the IEEE 13-Bus Distribution Network Via Binary Search Algorithm
    (2025) Marlon Lainez Martinez; Asheyn Rivera Fajardo; José Napoleón Zelaya; Juan Carlos Huaquisaca; Jonathan Muñoz Tabora
    In recent years, renewable energies have experienced exponential growth in power systems. However, an excess of renewable energy in a specific area can generate reverse power flows in transmission lines, overvoltages, and overloads. Therefore, analyzing the hosting capacity in distribution systems is essential to ensure the proper integration of renewable energies into the distribution network. Initially, an IEEE 13-Bus Distribution Network was selected and modeled using OpenDSS software, and through the integration of Python with OpenDSS, a binary search algorithm was applied to determine the hosting capacity at each node. The results show that hosting capacity decreases as the distance from the substation increases and is higher when closer to it. Additionally, they reveal that high levels of uncontrolled renewable energy penetration can compromise the reliability of the electrical grid by exceeding critical technical limits, such as the current-carrying capacity of conductors, transformer overloads, and over-voltages. Based on the proposed methodology, it is possible to increase the hosting capacity of distribution networks with a proper integration strategy by monitoring the growth of renewable energy.
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    Hosting Capacity: A Systematic Review from an Honduran Perspective
    (2025) Asheyn Rivera Fajardo; Marlon Lainez Martinez; Jonathan Muñoz Tabora; Juan Carlos Huaquisaca Paye; Dennis A. Rivera
    In recent years, renewable energy sources have experienced significant growth within power systems. However, their high penetration levels in localized areas can lead to operational challenges such as reverse power flows in distribution lines and voltage violations along distribution networks. As a result, assessing the hosting capacity of distribution systems has become essential to ensure the safe and effective integration of renewable energy. This study presents a bibliometric analysis, with a Honduran perspective, aimed at identifying and categorizing the optimization methods employed to evaluate hosting capacity in distribution networks. In addition, it explores the practical measures adopted to mitigate the consequences of unregulated photovoltaic integration, including advanced inverter functions such as volt-watt and volt-var control, as well as network solutions like on-load tap changers. By analyzing past research contributions and mitigation efforts, the study seeks to inform future strategies that foster the development of more efficient, resilient, and sustainable electrical systems capable of supporting high levels of distributed generation.