Implementação em módulo de desenvolvimento FPGA de técnica de detecção de novidades baseada da transformada de Stockwell aplicada a distúrbios de qualidade de energia elétrica em sinais de potência
DOI:
https://doi.org/10.34019/2179-3700.2024.v24.46211Palabras clave:
Redes Elétricas Inteligentes (REI), Transformada de Stockwell (ST), Qualidade de Energia Elétrica (QEE), Implementação em FPGA, Detecção de Novidades (DN)Resumen
Ante el escenario de consolidación de las Redes Eléctricas Inteligentes (REI), donde la presencia de cargas no lineales y nuevas formas de generación de energía eléctrica cobran cada vez mayor importancia, existe un gran potencial para la aparición de nuevas perturbaciones. Además, considerando la enorme cantidad de datos provenientes de medidores inteligentes, es necesario utilizar métodos de detección novedosos en señales de forma de onda de voltaje y corriente para preservar la información relevante y promover el almacenamiento eficiente de la información. La Transformada de Stockwell (Stockwell Transform - ST) es una distribución tiempo-frecuencia que ha demostrado gran capacidad para detectar novedades relacionadas con rupturas de estacionariedad en la señal. Por lo tanto, el presente trabajo describe el uso de ST con el propósito de detectar novedades en señales de Calidad de Energía Eléctrica (QEE). La implementación de esta transformación en un Field-Programmable Gate Array (FPGA) se propone mediante el uso de un procesador de núcleo blando para optimizar los recursos de hardware del FPGA. Además, se propone una estrategia de selección de voz para reducir la complejidad del algoritmo, así como reducir el tiempo de procesamiento, manteniendo la capacidad de detección.
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Derechos de autor 2024 ANONMIXS AMARO AFONSO, NAIARA DA SILVA MAIA DOS SANTOS, VICTOR MENDES RIBEIRO, Eder Barboza Kapisch
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