Unblocking function of distance relay during power swing based on modal analysis
作者： S. Torres , H. Esponda , M. Andrade , E. Vazquez , M.R.A. Paternina
DOI: 10.1109/TDC-LA.2016.7805633
关键词:
摘要: In this paper a novel algorithm for unblocking distance relays during power swing is described. The based on the participation factors drawn from variance-covariance matrix, which built by incremental currents after fault takes place. By modal analysis techniques, eigenvalues and are calculated they used identifying three-phase condition under conditions. algorithm's performance verified through simulation electromagnetic transient software different analyzed scenarios demonstrate that proposal correctly identifies when relay blocked swing.
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