Topology review and derivation methodology of single-phase transformerless photovoltaic inverters for leakage current suppression

W Li, Y Gu, H Luo, W Cui, X He… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Single-phase voltage source transformerless inverters have been developed for many years
and have been successful commercial applications in the distributed photovoltaic (PV) grid …

Grid-Current-Feedback Active Dam** for LCL Resonance in Grid-Connected Voltage-Source Converters

X Wang, F Blaabjerg, PC Loh - IEEE Transactions on Power …, 2015 - ieeexplore.ieee.org
This paper investigates active dam** of LCL-filter resonance in a grid-connected voltage-
source converter with only grid-current feedback control. Basic analysis in the s-domain …

Passivity-based controller design of grid-connected VSCs for prevention of electrical resonance instability

L Harnefors, AG Yepes, A Vidal… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
The time delay in the current control loop of a grid-connected voltage-source converter
(VSC) may cause destabilization of electrical resonances in the grid or in the VSC's input …

LCL-Filter Design for Robust Active Dam** 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 dam**, without dissipative …

Generalized LCL-filter design algorithm for grid-connected voltage-source inverter

S Jayalath, M Hanif - IEEE Transactions on Industrial …, 2016 - ieeexplore.ieee.org
LCL-filters are preferred over conventional L-filters for grid-connected voltage-source
inverters (VSIs) due to their superior harmonic attenuation and smaller filter size and weight …

Optimized controller design for $ LCL $-type grid-connected inverter to achieve high robustness against grid-impedance variation

D Pan, X Ruan, C Bao, W Li… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Capacitor-current-feedback active dam** is an effective method to suppress the LCL-filter
resonance in grid-connected inverters. However, due to the variation of grid impedance, the …

Highly reliable transformerless photovoltaic inverters with leakage current and pulsating power elimination

Y Tang, W Yao, PC Loh… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
This paper presents a transformerless inverter topology, which is capable of simultaneously
solving leakage current and pulsating power issues in grid-connected photovoltaic (PV) …

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 …