[en] Abstract—In power system dynamic models the complex network equations and the various phasors are projected onto reference axes. After a short critical review of commonly chosen reference axes, this letter proposes to use the center-of-inertia at the previous integration time step. This approach is shown to combine the advantages of the center-of-inertia with a sparser Jacobian structure and an easier handling of network splits.
Union Européenne = European Union - UE = EU ; Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS
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FP7 ; 211407 - PEGASE - Pan European Grid Advanced Simulation and state Estimation