Dynamic Phasor and Frequency Estimates Through Maximally Flat Differentiators

@article{PlatasGarza2010DynamicPA,
  title={Dynamic Phasor and Frequency Estimates Through Maximally Flat Differentiators},
  author={Miguel Angel Platas-Garza and Jos{\'e} Antonio de la O. Serna},
  journal={IEEE Transactions on Instrumentation and Measurement},
  year={2010},
  volume={59},
  pages={1803-1811}
}
Estimates of the dynamic phasor and its derivatives are obtained through the weighted least squares solution of a Taylor approximation using classical windows as weighting factors. This solution leads to differentiators with ideal frequency response around the fundamental frequency and to very low sidelobe level over the stopband, which implies low noise sensitivity. The differentiators are maximally flat in the interval centered at the fundamental frequency and have a linear phase response… CONTINUE READING

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