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Real-Time Digital Simulation of a CHIL-Based Test Bench for Bidirectional DC-DC Converters in Microgrid Applica-tions
Simulación en Tiempo Real de un Banco de Pruebas CHIL para Converti-dores DC-DC Bidireccionales en Aplicaciones de Microrredes
DOI:
https://doi.org/10.15446/sicel.v12.121239Palabras clave:
MATLAB/Simulink, Hybrid microgrids, CHIL, REAL-TIME DIGITAL SIMULATION (en)CHIL (Controller-Hardware-in-the-Loop), Hybrid Microgrid, Real-time Digital Simulation, MATLAB/Simulink (es)
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This work proposes the implementation of a test bench for Buck-Boost DC-DC converters used as battery interfaces in electrical microgrids, applying the Controller Hardware-in-the-Loop (CHIL) technique within a real-time digital simulation (RTDS) environment. The main objective is to evaluate the converter's behavior through closed-loop control using PI algorithms, ensuring safe testing without risking the physical hardware.These converters enable bidirectional energy flow between the battery and the DC-Link, supporting the integration of energy storage and generation devices within microgrids. The use of an RTDS based on the OPAL-RT simulator improves testing accuracy, eliminates the need for additional microcontrollers, and allows for the evaluation of various operating scenarios.Furthermore, this approach helps to detect faults prior to real-world implementation, ensuring system stability and performance optimization in networks based on renewable energy sources. The proposed methodology contributes to the development of innovative control strategies for sustainable and resilient microgrids.
Este trabajo propone la implementación de un banco de pruebas para convertidores DC-DC Buck-Boost utilizados como interfaces de baterías en microrredes eléctricas, aplicando la técnica Controller Hardware-in-the-Loop (CHIL) en un entorno de simulación digi-tal en tiempo real (RTDS). El objetivo principal es evaluar el comportamiento del convertidor mediante control en lazo cerrado con algoritmos PI, garantizando pruebas seguras sin poner en riesgo el hardware físico. Estos convertidores permiten el flujo bidireccional de energía entre la batería y el DC-Link, favoreciendo la integración de dispositivos de almacenamiento y generación de energía en microrredes. El uso de un RTDS basado en el simulador OPAL-RT mejora la precisión de las pruebas, elimina la necesidad de micro-controladores adicionales y permite evaluar diversos escenarios de operación. Además, este enfoque facilita la detección de fallos antes de la implementación real, asegurando la estabilidad del sistema y la optimización del rendimiento en redes basadas en fuen-tes de energía renovable. La metodología propuesta contribuye al desarrollo de estrategias de control innovadoras para microrredes sostenibles y resilientes.
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Derechos de autor 2026 Melina Paula Gonzalez Rubiño, Alberto Escobar, Marcelo Molina
Esta obra está bajo una licencia internacional Creative Commons Atribución 4.0.
