Due to the advantages of superior harmonics attenuation ability and reduced size, the LCL
filter has been widely adopted to interface between the inverter and the grid for improving …

As a result of increasing variability of network impedance, interest in impedance estimation
techniques is growing. This review contextualises local impedance estimation techniques by …

The conventional virtual synchronous generator (VSG) is typically designed to meet certain
operational and control requirements in the islanded mode. However, once the VSG is …

An increasing intake of grid-connected inverters could change the characteristics of low
voltage networks including the equivalent grid impedance seen by each inverter at its point …

For current-controlled grid-connected inverters with LCL filter, the essence of grid voltage full
feedback is to improve the output impedance of grid-connected inverters to infinity, which …

An active method for detection of islanded operation in a microgrid integrated with one or
more inverters operating in parallel is proposed in this article. The method identifies the …

This paper proposes a robust dichotomy-based model predictive control (DS-MPC) with a
fixed switching frequency for the grid-connected inverter (GCI). The proposed fast dichotomy …

Grid impedance information occupies a fundamental and crucial position for the operation of
grid-tied converters. Consequently, accurate and fast extraction of grid impedance is vital …

This article presents a dynamic control strategy for a hybrid AC/DC Microgrid (MG). To allow
a high penetration of renewable energies, provide an increased system reliability during …

When the impedance-based stability criterion is used to analyze the stability of a three-
phase inverter-grid system, the impedance of the grid-connected inverter has to be known …