
DOI:
https://doi.org/10.14483/23448393.19929Published:
2023-05-31Issue:
Vol. 28 No. 2 (2023): May-AugustSection:
Electrical, Electronic and Telecommunications EngineeringComparative Analysis of Boost and Hybrid Boost Converters
Análisis comparativo entre los convertidores Boost y Boost híbrido
Keywords:
Boost converter, Hybrid Boost converter, DC/DC converters, Gain of Voltage and Current, Efficiency (en).Keywords:
convertidor Boost, convertidor Boost híbrido, convertidores DC/DC, ganancia de voltaje y corriente, eficiencia (es).Downloads
Abstract (en)
Context: In power electronics applications, it is important to make comparisons between converters to choose the device that best suits a particular application. This paper compares the Boost converter and the hybrid Boost converter. The operating models of both converters under study are developed and explained in detail to allow for a proper comparison and analysis.
Method: Using the passive sign law, the differential equations that govern the behavior of each converter are determined upon the basis of their switching states. Then, circuit simulations are performed by using the OpenModelica software to analyze the output signals of both converters with the same input parameters.
Results: Comparisons of voltage and current gains, current and voltage time response, and ripple were obtained. Additionally, the efficiency was analyzed by adding resistive losses in each passive element of both converters.
Conclusions: For high duties, the hybrid Boost converter has a greater capacity to increase the output voltage than the Boost converter. It was also found that the hybrid Boost converter has a low overshoot and a low ripple in the time response of its output signals. However, this converter is less efficient.
Abstract (es)
Contexto: En las aplicaciones de electrónica de potencia, es importante realizar comparaciones entre convertidores para escoger el dispositivo que mejor se adapte a una aplicación en particular. Este artículo compara el convertidor Boost y el convertidor Boost híbrido. Los modelos de operación de ambos convertidores en estudio se desarrollan y explican en detalle para permitir una adecuada comparación y análisis.
Método: Mediante la ley pasiva de signos, se encuentran las ecuaciones diferenciales que rigen el comportamiento de cada convertidor con base en sus estados de conmutación. Acto seguido, se realizan simulaciones circuitales en el software OpenModelica para analizar las señales de salida de ambos convertidores con los mismos parámetros de entrada.
Resultados: Se obtuvieron comparaciones de ganancia de voltaje y corriente, respuesta en el tiempo de corriente y voltaje, rizados. Además, se analizó la eficiencia al añadir pérdidas resistivas en cada elemento pasivo de ambos convertidores.
Conclusiones: Para anchos de pulso altos, el convertidor Boost híbrido tiene una mayor capacidad de elevar el voltaje de la salida que el convertidor Boost. También se encontró que el convertidor Boost híbrido presenta bajos sobre picos y rizados en la respuesta en el tiempo de sus señales de salida. Sin embargo, este convertidor es menos eficiente.
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Copyright (c) 2023 Ana Maria Romero-Carvajal, Nicolas Muñoz-Galeano, Jesus Maria Lopez Lezama

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