Multiple gross errors detection, identification and correction in three-phase distribution systems WLS state estimation: A per-phase measurement error approach

•Three-phase WLS-SE formulation considering both measurements and pseudo measurements simultaneously with different load models.•Three-phase model for WLS-SE solution minimizing the composed measurement errors.•Multiple per-phase gross error detection based on Chi-square Hypothesis Testing of compos...

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Veröffentlicht in:	Electric power systems research 2017-10, Vol.151, p.174-185
Hauptverfasser:	Bretas, A.S., Bretas, N.G., Braunstein, S.H., Rossoni, A., Trevizan, R.D.
Format:	Artikel
Sprache:	eng
Schlagworte:	Distribution systems Electronic equipment tests Error analysis Error correction Error detection Formulations Gross error analysis Hypothesis testing Innovations Jacobi matrix method Jacobian matrix Measurement errors Phase distribution Phase measurement State estimation Statistical tests Studies Unbalance Unbalanced operation
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