In this paper, a novel method is proposed for the impedance measurement of multi-inverter grid-connected system, which does not require an additional device to generate perturbation and the perturbation required for measurement is generated by the inverter with. . In this paper, a novel method is proposed for the impedance measurement of multi-inverter grid-connected system, which does not require an additional device to generate perturbation and the perturbation required for measurement is generated by the inverter with. . Grid-connected inverters play an indispensable and crucial role between new energy power generation devices and the power grid. As an important method for stability analysis of grid-connected inverters, impedance criteria have been widely applied. However, traditional impedance criteria have the. . The significance of obtaining the inverter impedance is self-evident for the analysis of the oscillation of the inverter integrated system.
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