The interconnection stability of a grid-connected voltage-source converter can be assessed
via the dissipative properties of its input admittance. In this paper, the modeling of the current …

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

Paralleled inverters with asynchronous carriers are increasingly emerging into renewable
power plants and other power-electronic-based power systems. The sideband harmonics …

The impedance interactions between weak grid and LCL-filtered converter can bring severe
harmonic resonance. Recently, frequency domain passivity theory has been applied to …

To enhance the interactive stability between an LCL-type grid-connected inverter (GCI) and
the grid, a passive damper (PD) is necessary for passivizing the output admittance of the …

This study presents an improved method to design passive power filters for a battery energy
storage system operating in grid connected and islanded modes. The studied system …

Proportional capacitor-current-feedback active damping (AD) is a common damping method
for the resonance of LCL-type grid-connected inverters. Proportional capacitor-current …

Replacing the capacitor current with the derivative of its voltage in the active damping (AD)
loop of a grid-connected inverter (GCI) can save cost and gain popularity. However, the first …

The interaction between the voltage source converters (VSCs) and the grid would bring
about high-frequency resonance problem. For the grid-connected VSC, the non-passivity of …

The passive damping (PD) branches based on passive design can provide sufficient
passivity compensation to the output admittance of the grid-connected inverter (GCI) at the …