Impedance Modeling and Stability Analysis of Grid-tied Universal Droop Control Inverter
Chapter, Peer reviewed
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Original versionIEEE Energy Conversion Congress and Exposition (ECCE). 2019
This paper presents an impedance modeling and small-signal stability analysis of the grid-tied Universal Droop Control (UDC) inverter. The -impedance model of the UDC inverter is derived analytically and, which is verified by simulation. The impedance model is used to determine the stability of the grid-tied UDC inverter. Simulation and experimental results are provided to further verify the theoretical analysis.