Review and comparison of grid-tied inverter controllers in microgrids

Q Liu, T Caldognetto, S Buso - IEEE Transactions on Power …, 2019 - ieeexplore.ieee.org
Grid-tied inverters are widely used for interfacing renewable energy sources or storage
devices to low-voltage electrical power distribution systems. Lately, a number of different …

A Capacitor-Current-Feedback Positive Active Dam** Control Strategy for LCL-Type Grid-Connected Inverter to Achieve High Robustness

S Li, H Lin - IEEE Transactions on Power Electronics, 2021 - ieeexplore.ieee.org
To guarantee system stability, proportional capacitor-current-feedback (CCF) active
dam** control has been widely used in LCL-type grid-connected inverter. However, when …

Hybrid Active Dam** Combining Capacitor Current Feedback and Point of Common Coupling Voltage Feedforward for LCL-Type Grid-Connected Inverter

Y He, X Wang, X Ruan, D Pan… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Both the capacitor-current-feedback (CCF) active dam** and the point of common
coupling (PCC) voltage feedforward can provide dam** for the LCL-type grid-connected …

Capacitor-Current Proportional-Integral Positive Feedback Active Dam** for LCL-Type Grid-Connected Inverter to Achieve High Robustness Against Grid …

Y He, X Wang, X Ruan, D Pan, X Xu… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Capacitor-current-feedback active dam** has been widely used in LCL-type grid-
connected inverters. However, the dam** performance is deteriorated due to the negative …

Gradient Descent Optimization Based Parameter Identification for FCS-MPC Control of LCL-Type Grid Connected Converter

B Long, Z Zhu, W Yang, KT Chong… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Aging and temperature changes in the passive components of an LCL-filter grid connected
converter system (GCCs) may lead to parameter uncertainties, which can in turn influence its …

Virtual inductance for stable operation of grid-interactive voltage source inverters

A Adib, B Mirafzal - IEEE Transactions on Industrial Electronics, 2018 - ieeexplore.ieee.org
In this paper, a feedforward virtual inductance control strategy is developed for the stability of
voltage source inverters (VSIs) in weak grids. A weak grid is characterized by a low short …

Stability analysis for the grid-connected single-phase asymmetrical cascaded multilevel inverter with SRF-PI current control under weak grid conditions

Y Han, H Chen, Z Li, P Yang, L Xu… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper analyzes the influence of phase-locked loop (PLL) on the stability of LCL-type
single-phase grid-connected asymmetrical cascaded H-bridge multilevel inverter (ACHMI) …

An interaction-admittance model for multi-inverter grid-connected systems

M Lu, Y Yang, B Johnson… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In modern power systems, the increasing penetration of renewables and power electronics,
particularly inverter-based wind and solar power generation, is altering power system …

Smart inverter stability enhancement in weak grids using adaptive virtual-inductance

A Adib, F Fateh, B Mirafzal - IEEE Transactions on Industry …, 2020 - ieeexplore.ieee.org
An adaptive virtual-inductance feedforward scheme is presented in this article to enhance
the stable operation of smart inverters in weak grids. In the developed scheme, the virtual …

Robust optimized current controller based on a two-step procedure for grid-connected converters

E Mattos, LC Borin, CRD Osório… - IEEE transactions on …, 2022 - ieeexplore.ieee.org
Proportional-resonant controllers are largely used for grid-connected converters with LCL
filters to ensure sinusoidal reference tracking and harmonic disturbance rejection. However …