Transmission lines protection based on the current eigenvalues differential concept | Zendy

V. Fernão Pires | Zendy; M. Guerreiro | Zendy; Carlos Fortunato | Zendy; L. Sousa Martins | Zendy

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Transmission lines protection based on the current eigenvalues differential concept

Author(s) -

V. Fernão Pires,

M. Guerreiro,

Carlos Fortunato,

L. Sousa Martins

Publication year - 2010

Publication title -

portuguese national funding agency for science, research and technology (rcaap project by fct)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.1049/cp.2010.0277

Subject(s) - principal component analysis , eigenvalues and eigenvectors , current (fluid) , transformation (genetics) , computer science , differential (mechanical device) , fault (geology) , component (thermodynamics) , electric power transmission , transmission (telecommunications) , differential protection , work (physics) , principal (computer security) , electronic engineering , algorithm , telecommunications , electrical engineering , artificial intelligence , engineering , physics , quantum mechanics , voltage , aerospace engineering , transformer , mechanical engineering , biochemistry , chemistry , operating system , seismology , geology , gene , thermodynamics

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 "????o" 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.

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