Damping methods for resonances caused by LCL-filter-based current-controlled grid-tied power inverters: An overview

W Wu, Y Liu, Y He, HSH Chung… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
Grid-tied voltage source inverters using LCL filter have been widely adopted in distributed
power generation systems (DPGSs). As high-order LCL filters contain multiple resonant …

Modeling and stability analysis of $ LCL $-type grid-connected inverters: A comprehensive overview

Y Han, M Yang, H Li, P Yang, L Xu, EAA Coelho… - IEEE …, 2019 - ieeexplore.ieee.org
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 …

Design and analysis of robust active damping for LCL filters using digital notch filters

W Yao, Y Yang, X Zhang, F Blaabjerg… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Resonant poles of LCL filters may challenge the entire system stability especially in digital-
controlled pulse width modulation (PWM) inverters. In order to tackle the resonance issues …

LCL-Filter Design for Robust Active Damping in Grid-Connected Converters

R Pena-Alzola, M Liserre, F Blaabjerg… - IEEE Transactions …, 2014 - ieeexplore.ieee.org
Grid-connected converters employ LCL-filters, instead of simple inductors, because they
allow lower inductances while reducing cost and size. Active damping, without dissipative …

Grid-current-feedback control for LCL-filtered grid converters with enhanced stability

Z Xin, X Wang, PC Loh… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
This paper proposes a second-order-generalized-integrator (SOGI)-based time-delay
compensation method for extending the stable region of a dual-loop grid-current-feedback …

Damping techniques for grid-connected voltage source converters based on LCL filter: An overview

CC Gomes, AF Cupertino, HA Pereira - Renewable and Sustainable …, 2018 - Elsevier
Distributed generation systems have been expanded considerably in recent years. These
systems are generally based on power electronics converters, whose switching harmonics …

Analysis and design of current control schemes for LCL-type grid-connected inverter based on a general mathematical model

D Pan, X Ruan, X Wang, H Yu… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
For the LCL-type grid-connected inverter, there are basically three current control schemes,
namely the grid current control, the inverter-side inductor current control, and the weighted …

Analysis and comparison of notch filter and capacitor voltage feedforward active damping techniques for LCL grid-connected converters

E Rodriguez-Diaz, FD Freijedo… - … on Power Electronics, 2018 - ieeexplore.ieee.org
The use of LCL filters is a well-accepted solution to attenuate the harmonics created by the
pulsewidth modulation. However, inherently LCL filters have a resonance region where the …

Topologies, generalized designs, passive and active damping methods of switching ripple filters for voltage source inverter: A comprehensive review

M Büyük, A Tan, M Tümay, KÇ Bayındır - Renewable and Sustainable …, 2016 - Elsevier
Switching ripple filters (SRF) is one of the significant part of grid connected voltage source
converters (VSC) that have been a backbone of the most of renewable energy systems for …

An efficient and robust hybrid damper for $ LCL $-or $ LLCL $-based grid-tied inverter with strong grid-side harmonic voltage effect rejection

Y Liu, W Wu, Y He, Z Lin, F Blaabjerg… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
A high-order (LCL or LLCL) power filter with a small grid-side inductor is becoming more
preferred for a grid-tied inverter due to less total inductance and reduced costs. In a …