Three-phase passive harmonic filters (eg, LCL filters) are often utilized to attenuate
harmonic currents caused by pulsewidth modulation of voltage-sourced converters (VSC) to …

Voltage source converters (VSCs) with LCL filters are attractive in grid-connected
applications because they greatly reduce the pollution of the utility voltage due to switching …

This paper investigates active damping of LCL-filter resonance in a grid-connected voltage-
source converter with only grid-current feedback control. Basic analysis in the s-domain …

Active damping of LCL-filter resonance based on single-state feedback control is widely
used with voltage source converters. Its robustness against grid impedance variation has …

This paper investigates the active damping of LCL-filter resonance within single-loop grid
current control of grid-connected voltage source converters. First, the basic analysis in the …

LCL resonance complicates the design of a current control loop and can even threaten its
stability. Extensive approaches have been proposed to deal with this resonance, among …

Conventional resonant controllers (RCs) are commonly used in the current control of grid-
tied converters with LCL filter due to their advantages, such as zero steady-state error at …

Pulsewidth modulation (PWM) voltage source converters are becoming a popular interface
to the power grid for many applications. Hence, issues related to the reduction of PWM …

Grid-connected converters (GcCs) employ LCL filters instead of simple L filters in order to
meet new grid codes and their on-going changes in the near future. Active damping …

An observer-based active damping (AD) controller is proposed along with a unified design
and implementation framework for LCL-equipped voltage source converters. The AD …