In this paper a low computation effort Taylor-based Weighted Least Squares (TWLS) synchrophasor estimator that takes into account the contribution of the 2nd harmonic is proposed. That algorithm, called Simplified TWLS-H(2) algorithm, requires the evaluation of only four Discrete-Time Fourier Transforms samples and the related weighting coefficients. The achieved estimation accuracy is compared with that provided by different versions of the TWLS algorithm published in the literature through computer simulations performed under different steady-state and dynamic conditions suggested in the IEEE Standard C37.118.1-2011 for synchrophasor measurements for power systems for the M-class of performance. The comparison is based on the Total Vector Error (TVE), the Frequency Error (FE), and the Rate-of-change-of-Frequency Error (RFE) parameters.

Simplified taylor-based weighted least squares synchrophasor estimator for harmonically distorted waveforms / Belega, D.; Petri, D.. - ELETTRONICO. - (2019), pp. 1-6. (Intervento presentato al convegno 10th IEEE International Workshop on Applied Measurements for Power Systems, AMPS 2019 tenutosi a E.ON Energy Research Center RWTH, Aachen University, deu nel 2019) [10.1109/AMPS.2019.8897785].

Simplified taylor-based weighted least squares synchrophasor estimator for harmonically distorted waveforms

Petri D.
2019-01-01

Abstract

In this paper a low computation effort Taylor-based Weighted Least Squares (TWLS) synchrophasor estimator that takes into account the contribution of the 2nd harmonic is proposed. That algorithm, called Simplified TWLS-H(2) algorithm, requires the evaluation of only four Discrete-Time Fourier Transforms samples and the related weighting coefficients. The achieved estimation accuracy is compared with that provided by different versions of the TWLS algorithm published in the literature through computer simulations performed under different steady-state and dynamic conditions suggested in the IEEE Standard C37.118.1-2011 for synchrophasor measurements for power systems for the M-class of performance. The comparison is based on the Total Vector Error (TVE), the Frequency Error (FE), and the Rate-of-change-of-Frequency Error (RFE) parameters.
2019
AMPS 2019 - 2019 10th IEEE International Workshop on Applied Measurements for Power Systems, Proceedings
Stati Uniti d'America
Institute of Electrical and Electronics Engineers Inc.
978-1-7281-0075-3
Belega, D.; Petri, D.
Simplified taylor-based weighted least squares synchrophasor estimator for harmonically distorted waveforms / Belega, D.; Petri, D.. - ELETTRONICO. - (2019), pp. 1-6. (Intervento presentato al convegno 10th IEEE International Workshop on Applied Measurements for Power Systems, AMPS 2019 tenutosi a E.ON Energy Research Center RWTH, Aachen University, deu nel 2019) [10.1109/AMPS.2019.8897785].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11572/343179
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