Capacitor-current-feedback active damping is an effective method to suppress the LCL-filter
resonance in grid-connected inverters. However, due to the variation of grid impedance, the …

To guarantee system stability, proportional capacitor-current-feedback (CCF) active
damping control has been widely used in LCL-type grid-connected inverter. However, when …

This paper investigates the capacitor-current-feedback active damping for the digitally
controlled LCL-type grid-connected inverter. It turns out that proportional feedback of the …

A direct grid current control strategy for LCL-filtered grid-connected inverters is proposed in
this paper. The conventional current control strategies are analyzed and compared, and …

Stable operation of LCL filtered grid-connected inverters can be achieved using active
damping. However, the stability can be threatened by non-ideal conditions such as delay in …

Capacitor-current-feedback active damping has been widely used in LCL-type grid-
connected inverters. However, the damping performance is deteriorated due to the negative …

The injected grid current regulator and active damping of the LCL filter are essential to the
control of LCL-type grid-connected inverters. Generally speaking, the current regulator …

For the LCL-type grid-connected inverter, grid voltage full feedforward scheme is an effective
method to improve the quality of the injected grid current. However, in the applications …

For the LCL-type grid-connected inverter, there are basically three current control schemes,
namely the grid current control, the inverter-side inductor current control, and the weighted …

This paper has presented a stability analysis of a LCL-type grid-connected inverter in the
discrete-time domain. It has been found that even though the system is stable when the …