Martha Lucía Orozco-Gutiérrez

Multi-agent hierarchical consensus framework for frequency and voltage regulation with cooperative battery storage units

Gabriel E. Mejia Ruiz, Vipin Chandra Pandey, Martha Lucía Orozco-Gutiérrez

High penetration of renewable resources reduces inertia and short-circuit strength in transmission networks. This loss of electromechanical stiffness directly compromises the ability of the system to withstand power imbalances. This paper proposes a hierarchical multi-agent control framework to coordinate distributed battery energy …

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Extended Kalman Filter for State of Charge Estimation in Lead-Acid Batteries

Andrés Mauricio Holguín Berrocal, Martha Lucía Orozco-Gutiérrez, José M. Ramirez-Scarpeta

This paper presents an approach to estimate the State of Charge (SoC) for commercial batteries, by the Extended Kalman Filter (EKF) technique. The second-order equivalent Thevenin model is used to represent the behavior of a Lead-Acid battery, which is parameterized by experimental …

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Battery Sizing Method for Microgrids—A Colombian Application Case

Andres Felipe Zamora-Muñoz, Martha Lucía Orozco-Gutiérrez, Dany Mauricio López‐Santiago, Jhoan Alejandro Montenegro-Oviedo et autres

The introduction of renewable energy sources in microgrids increases energy reliability, especially in small communities that operate disconnected from the main power grid. A battery energy storage system (BESS) plays an important role in microgrids because it helps mitigate the problems caused …

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Multi-Agent Hierarchical Consensus Framework for Frequency and Voltage Regulation with Cooperative Battery Storage Units

Gabriel E. Mejia Ruiz, Martha Lucía Orozco-Gutiérrez

Design and Experimental Validation of a Battery/Supercapacitor Hybrid Energy Storage System Based on an Adaptive LQG Controller

Jhoan Alejandro Montenegro-Oviedo, Carlos Andrés Ramos‐Paja, Martha Lucía Orozco-Gutiérrez, Édinson Franco Mejía et autres

Hybrid energy storage systems (HESSs) are essential for adopting sustainable energy sources. HESSs combine complementary storage technologies, such as batteries and supercapacitors, to optimize efficiency, grid stability, and demand management. This work proposes a semi-active HESS formed by a battery connected to …

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Adaptive Sliding-Mode Controller for a Zeta Converter to Provide High-Frequency Transients in Battery Applications

Andrés Tobón, Carlos Andrés Ramos‐Paja, Martha Lucía Orozco-Gutiérrez, Andrés Julián Saavedra‐Montes et autres

Hybrid energy storage systems significantly impact the renewable energy sector due to their role in enhancing grid stability and managing its variability. However, implementing these systems requires advanced control strategies to ensure correct operation. This paper presents an algorithm for designing the …

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Degradation indicators for power electronic converters

Ramiro Alejandro Plazas Rosas, Édinson Franco Mejía, Martha Lucía Orozco-Gutiérrez

Power electronic converters are an important element in the interaction between source and load. In fact, failures in this system often lead to bigger problems. Therefore, it is necessary to monitor the converter components that have the most failures. In this work, …

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Experimental Design of an Adaptive LQG Controller for Battery Charger/Dischargers Featuring Low Computational Requirements

Jhoan Alejandro Montenegro-Oviedo, Carlos Andrés Ramos‐Paja, Martha Lucía Orozco-Gutiérrez, Édinson Franco Mejía et autres

The growing use of DC/DC power converters has resulted in the requirement that their complex controllers be cheaper and smaller, thus using cost-effective implementations. For this purpose, it is necessary to decrease the computational burden in controller implementation to minimize the hardware …

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Adaptive Controller for Bus Voltage Regulation on a DC Microgrid Using a Sepic/Zeta Battery Charger/Discharger

Jhoan Alejandro Montenegro-Oviedo, Carlos Andrés Ramos‐Paja, Martha Lucía Orozco-Gutiérrez, Édinson Franco Mejía et autres

In a DC microgrid that involves a battery storage system, the primary energy management is performed by a battery charger/discharger based on a dc/dc power converter. Moreover, the battery charger/discharger is also used to regulate the voltage of the dc bus. One …

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Methods and challenges for the fault detection and diagnosis in power electronic converters: An overview

Ramiro Alejandro Plazas Rosas, Édinson Franco Mejía, Martha Lucía Orozco-Gutiérrez

Power electronic converters have become an essential element in a wide variety of applications, such as electric drives, distributed power generation, electric vehicles, among others. Failures in electronic converters lead to operational and safety difficulties, therefore, detection and diagnosis contribute to the …

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FPGA-based real-time simulation of mismatched photovoltaic arrays

Alejandro Carabali-Isajar, Martha Lucía Orozco-Gutiérrez, Édinson Franco Mejía, G. Spagnuolo et autres

This paper proposes an approach to the real time simulation of photovoltaic (PV) arrays that are subjected to mismatching conditions, e.g. partial shadowing. The method, which has been named Model by Zone (MbZ), adopts the best PV model depending on the operating …

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Performance Comparison of Electrical Indicators for Detection of PID in PV panels

Jhoan Sebastian Parra-Quiroga, Édinson Franco Mejía, Martha Lucía Orozco-Gutiérrez, Juan David Bastidas‐Rodríguez

Potential-induced degradation (PID) in photovoltaic (PV) solar panels occurs due to the operation in strings that are part of large installations, and under determinate voltage and environmental operating conditions, especially humidity and temperature. The PID can cause decreasing of up to 40 …

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