Grid-side current control based on capacitor-current-feedback (CCF) active damping is a
common control method for LCL-type grid-tied inverters. The control system should not only …

The frequency-domain passivity theory suggests that incorporating passive output
admittance in grid-connected inverters (GCIs) can effectively mitigate system instability …

This article compares different strategies used to enhance the stability properties of grid-
following voltage-source converters (VSCs). Because of digital delays, VSC admittance …

The passivity theory provides an effective way to tackle the instability due to the inverter-grid
interaction, which tells that the system stability can be guaranteed if the grid impedance and …

Hybrid distribution transformer (HDT) is realized by augmenting the traditional low-frequency
transformer with a fractionally rated converter. This article improves the HDT topology by …

Multisampling is considered as a direct path toward inherent admittance passivity because it
can directly reduce the control delay. However, the phase lag caused by the switching ripple …

Compared with the traditional passive-and active-damping techniques for mitigating the
impedance mismatch between the input impedance of constant power loads (CPLs) and the …

A dual-loop current control is discussed for LCL-type shunt active power filters (APFs),
where inverter-side current feedback and point of common coupling (PCC) voltage …

Control bandwidth and damping performance are two key specifications for high-order LC
and LCL filter-based converters. The damping of high-order filter-based converters has been …

In distributed power generation systems, the inherent resonance phenomena of LCL-filtered
grid-connected inverter is one of the major challenges faced by the integration of renewable …