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Transmission lines protection based on the current eigenvalues differential concept
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Orientador(es)
Resumo(s)
This work presents a new approach for a current differential protection of the transmission lines. The proposed approach is based on the Clarke-Concordia transformation and principal component analysis. First the acquired current signals are transformed into âαÎČoâ components by applying the Clarke-Concordia transformation. This allows obtaining typical patterns. To identify these patterns a principal component analysis is performed. Several tests under different fault conditions were performed. The obtained results allow
verifying the effectiveness of the proposed approach.
Descrição
Palavras-chave
Current differential protection Eigenvector Eigenvalue Line protection Digital relay