Can the output impedance of an inverter be designed capacitive?

@article{Zhong2011CanTO,
  title={Can the output impedance of an inverter be designed capacitive?},
  author={Qing-Chang Zhong and Yu Zeng},
  journal={IECON 2011 - 37th Annual Conference of the IEEE Industrial Electronics Society},
  year={2011},
  pages={1220-1225}
}
In this paper, it is shown that the output impedance of an inverter can be designed to be capacitive via the feedback of the filter inductor current through an integrator. Such inverters are called C-inverters (inverters with inductive and resistive output impedances are called L-inverters and R-inverters, respectively). Moreover, a recently-proposed robust droop controller is further developed and applied to inverters with capacitive output impedances to achieve accurate sharing of real power… CONTINUE READING
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