RECURSIVE FREQUENCY ESTIMATION TECHNIQUE FOR SYNCHROPHASOR MEASUREMENT APPLICATIONS

• Abstract:

  The proper and stable operation of a power grid relies on a efficient voltage and current phasor measurement instrumentation. A key feature of such an instrumentation is the accuracy of frequency measurement. The scope of this paper is to present a technique to track frequency variations of voltage and current phasors. We propose a recursive algorithm based on the Maximum Likelihood estimation of the phase; preliminary results show that its performance is comparable to the Cramer-Rao Lower Bound and can track phase variations over time.
• Keywords:

  synchrophasor measurement, frequency measurements, power system measurement, maximum likelihood, recursive estimation
• Download:

  IMEKO-WC-2015-TC4-130.pdf
• DOI:

  _unreg_wc-2015.130

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