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Slika 7Oscilogram 5 ∑ Naponna sabirnici 66 kV natrafostanici Rhodini(nestanak struje vidljivna kraju)Figure 7Oscillogram 5 ∑ Voltageat 66 kV bus at Rhodini(blackout seen at theend)Zygos 1 fase AZygos 1 fase BZygos 1 fase CNapon / Voltage (%)120100806040Slika 8Varijacija napona nasabirnici 66 kV (u %)tijekom smetnjeFigure 866 kV bus voltagevariation (in %) duringthe disturbance2000 30 60 90 120 150 180Vrijeme / Time (s)Frekvencija / Frequency(Hz)54.553.552.551.550.549.548.5Slika 9Trend varijacijefrekvencije zabiljeæentijekom smetnjeFigure 9Frequency variationtrend registered duringthe disturbance47.50 2 4 6 8 10 12 14 16 18 20 22 24 26 28Vrijeme / Time (s)615Papazoglou,Th. M., Papazoglou, M. T., Thalassinakis, E. J., Tsichlakis, Ch., Hatziargyriou, N. D., DijagnostiËki..., Energija, god. 56(2007), br. 5., str. 608-617Papazoglou, Th. M., Papazoglou, M. T., Thalassinakis, E. J., Tsichlakis, Ch., Hatziargyriou, N. D., Diagnostic..., Energija, vol. 56(2007), No. 5, pp. 608-617

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