Abstract
Smart grids pose two sorts of interesting challenges to phasor measurement techniques. The main challenge results from estimating the parameters of voltage and current signals. It has been a hot topic since the advent of the phasor measurement unit (PMU) in the acquisition of synchrophasors of a power system under dynamic conditions. There are several research groups working in this field who have published recent exemplary papers [1]-[4]. They investigated the important role played by the IEEE Synchrophasor Standard [5] in this endeavor. The other incipient problem is the electromechanical mode identification field. In this case, new phasor estimation methods are recently competing with the well-known Prony Method (Chap. 1 of [6]) or the Hilbert- Huang technique (Chap. 2–3 of [6]) to decompose a power oscillation into its dynamic modes.
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