A Contribution for Characterizing Measured Three-Phase Unbalanced Voltage Sags Algorithm

@article{Madrigal2007ACF,
  title={A Contribution for Characterizing Measured Three-Phase Unbalanced Voltage Sags Algorithm},
  author={M. Queralt Madrigal and B. H. Rocha},
  journal={IEEE Transactions on Power Delivery},
  year={2007},
  volume={22},
  pages={1885-1890}
}
This paper addresses the problem of characterizing voltage sags from measured three-phase voltages. A new algorithm based on three-phase voltage magnitudes and their phase angles is proposed in this paper. This new algorithm is named the three- phase three-angle algorithm (TP-TA). The proposed algorithm is compared with the well known symmetrical component (S-C) and the six-phase (S-P) algorithms defined to identify voltage sags type C and D. Numerical examples and recorded voltages were used… CONTINUE READING
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