An LCL-Filter Design With Optimum Total Inductance and Capacitance

S Jayalath, M Hanif - IEEE Transactions on Power Electronics, 2017 - ieeexplore.ieee.org
LCL-filter is among the best performing filters for grid-connected voltage source inverters.
Designing of the filter parameters (grid-side and inverter-side inductors and capacitor), takes …

Robust Current Control of Grid-Tied Inverters Affected by LCL Filter Soft-Saturation

CRD Osório, GG Koch, H Pinheiro… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
This article provides as contribution a systematic design procedure for robust current control
of grid-tied inverters with LCL filters affected by inductor magnetic soft-saturation and also by …

Variable switching frequency PWM for three-phase four-wire split-capacitor inverter performance enhancement

R Mandrioli, A Viatkin, M Hammami… - … on Power Electronics, 2021 - ieeexplore.ieee.org
Three-phase, four-wire, split-capacitor inverters, thanks to their capability to deal with
unbalanced systems, are currently employed in photovoltaic installations, electric vehicles …

Analysis and calculation of current ripple considering inductance saturation and its application to variable switching frequency PWM

Q Li, D Jiang, Y Zhang - IEEE Transactions on Power …, 2019 - ieeexplore.ieee.org
The inductance is an important parameter impacting current ripple calculation, usually with
the assumption that the designed inductance performs ideally in most of voltage source …

Impacts of inductor nonlinear characteristic in multiconverter microgrids: Modeling, analysis, and mitigation

W Yuan, Y Wang, D Liu, F Deng… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
Powder magnetic materials are excellent alternatives for filter inductors of a power converter
due to high saturation flux density and low cost. Unfortunately, inherent soft-saturation …

A current control method with extended bandwidth for Vienna rectifier considering wide inductance variation

T Wang, C Chen, P Liu, W Zhu… - IEEE Journal of Emerging …, 2019 - ieeexplore.ieee.org
Wide inductance variation of powder core inductors used in the Vienna rectifier challenges
the system stability and limits the bandwidth of the current loop, which leads to more …

Current ripple analysis and controller design for grid-connected converters considering the soft-saturation nature of the powder cores

Q Wei, B Liu, S Duan - IEEE Transactions on Power Electronics, 2017 - ieeexplore.ieee.org
The powder-core-based inductor has a wide inductance variation due to the soft-saturation
nature when subjected to varying load current. Under such a condition, the current ripple is …

Robust droop control of AC microgrid against nonlinear characteristic of inductor

W Yuan, Y Wang, D Liu, F Deng… - 2019 IEEE 10th …, 2019 - ieeexplore.ieee.org
This paper investigates the effect of nonlinear characteristic of filter inductor on power
sharing performance of droop-controlled microgrid, and presents a robust droop control …

Design and loss analysis of LCL filter inductors for two-level and three-level inverters

I Sefa, N Altin, S Ozdemir, S Balci… - 2017 International …, 2017 - ieeexplore.ieee.org
Grid connected inverters with LCL output filters are widely used in exporting energy
generated from renewable energy sources. The LCL filter and inductors used in this filter …

Inductor-Volume Comparison for 3Φ3W LCL Converter With Direct Digital Control and Different Filter-Inductance Drop-Rates

TF Wu, JY Chiu, YH Chang, HY Wu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Magnetic powder cores have soft-saturation properties and high temperature stability
compared with other materials, which are widely used in LCL filter design. Conventionally …