Caracterização De Cargas Lineares E Não Lineares Em Condições De Tensões Não Senoidais
DOI:
https://doi.org/10.18618/REP.2017.1.2647Keywords:
Carga não-linear, fator de potência, Geração distribuída, Harmônicas, Modelagem de carga, Tarifação de energiaAbstract
Este trabalho apresenta uma análise de cargas lineares e não lineares em condições senoidais e não senoidais para verificar seu comportamento como “fonte de tensão” ou “fonte de corrente” distorciva. Discute ainda problemas relacionados com a medição e tarifação da energia no ponto de acoplamento comum. Para tanto é utilizada a Teoria de Potência Conservativa para encontrar circuitos equivalentes e a partir destes circuitos analisar as principais características das cargas lineares e/ou não lineares bem com o tipo de não linearidades presentes. As análises são comprovadas com base em simulações e dados experimentais de cargas típicas de uso residencial e industrial. Além disso, será discutida a adequação do fator de potência como indicador apropriado para caracterizar e penalizar o consumidor (carga) quando também é produtor (gerador), situação comumente encontrada em microrredes.
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