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Communication Dans Un Congrès Année : 2015

Phasor estimation using conditional maximum likelihood: Strengths and limitations

Résumé

This paper focuses on the estimation of the phasor parameters in three-phase power systems for smart grid monitoring. Specifically, it investigates the use of the Conditional Maximum Likelihood (ML) for phasor parameter estimation. The contribution of this paper is twofold. First, it presents the condition on the signal model for identifiability of the phasor parameters. Then, it shows that the Conditional Maximum Likelihood estimator has a simple closed form expression, which can be determined from simple geometrical properties. Simulation results illustrate the effectiveness of the proposed approach for the estimation of the phasor amplitude and angle shift under dynamic conditions.
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Dates et versions

hal-01264553 , version 1 (01-02-2016)

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Vincent V. Choqueuse, A Belouchrani, Mohamed Benbouzid. Phasor estimation using conditional maximum likelihood: Strengths and limitations. Signal Processing Conference (EUSIPCO), 2015 23rd European, Aug 2015, Nice, France. ⟨10.1109/EUSIPCO.2015.7362785⟩. ⟨hal-01264553⟩
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