Alocação de Banco de Capacitores Shunts Visando o Aumento da Margem Estática de Tensão e a Redução de Perdas

Dilson Amancio AlvesGuilherme Barbosa Lima

Abstract

Este trabalho apresenta os resultados obtidos com um procedimento alternativo para definir a quantidade de compensação reativa shunt a ser alocada, visando à redução das perdas e a melhoria da margem de estabilidade estática de tensão. A quantidade de compensação reativa shunt a ser alocada é determinada com base nas curvas de perda total de potência ativa e reativa versus magnitude de tensão de um barramento escolhido. Os melhores locais para compensação de derivação são definidos pelos fatores de participação de barra do modo crítico fornecido pela análise modal estática. As análises de desempenho foram conduzidas para duas configurações básicas do sistema de teste do IEEE de 118 barras e para uma contingência de linha de transmissão específica nesse sistema, que leva a um problema de instabilidade de tensão com característica predominantemente local.

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