Implementation of Real-Time Impedance-Based Stability Assessment of Grid-Connected Systems Using MIMO-Identification Techniques

Grid impedance has a major effect on the operation of inverter-connected systems, such as renewable energy sources. Stability of such system depends on the ratio of the inverter output impedance and the grid impedance at the point of common coupling. Because the grid impedance varies over time with...

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Veröffentlicht in:	IEEE transactions on industry applications 2018-09, Vol.54 (5), p.5054-5063
Hauptverfasser:	Luhtala, Roni, Roinila, Tomi, Messo, Tuomas
Format:	Artikel
Sprache:	eng
Schlagworte:	Frequency response Identification methods Impedance Impedance measurement impedance measurements Inverters MIMO (control systems) multiple-input-multiple-output (MIMO) systems power electronics Power system stability Real time Real-time systems Renewable energy sources stability Stability analysis Stability criteria
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