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 …

With the remarkable growth of renewable energy resources, the grid-forming (GFM) inverter
with the function of grid voltage/frequency support attracts much attention. Due to the inverter …

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 …

Doubly fed induction generator (DFIG) based wind power systems incur a broadband
negative resistive characteristic, resulting in resonance risks when connected with weak grid …

Renewable energy sources (RESs) and energy storage schemes (ESSs) integrated into a
microgrid (MG) system have been widely used in power generation and distribution to …

Frequency-domain dissipativity of the converter admittance provides an intuitive approach to
analyze wideband resonances due to the interactions with the grid. Although the reasons for …

Capacitor current active damping is a common method to achieve dissipation for LCL-
filtered grid-connected converters using grid-side current control. However, the dissipative …

Full grid voltage feedforward (GVF) is an effective strategy to suppress the current distortion
caused by grid voltage harmonics. However, for critical conduction mode (CRM) grid-tied …

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 …