Microgrid to smart grid's evolution: Technical challenges, current solutions, and future scopes

FR Badal, SK Sarker, Z Nayem… - Energy Science & …, 2023 - Wiley Online Library
Renewable energy (RE) sources play an important role that not only reduces the pressure
on fossil fuels but also produces safe and clean energy by developing the microgrid (MG) …

Hybrid Active Damping 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 damping and the point of common
coupling (PCC) voltage feedforward can provide damping for the LCL-type grid-connected …

[HTML][HTML] Designing a unified damping and cross-coupling rejection controller for LCL filtered PV-based islanded microgrids

D Datta, SK Sarker, MRI Sheikh - Engineering Science and Technology, an …, 2022 - Elsevier
To meet up with the increasing power demands globally, renewables have come into focus
recently. Due to the unpredictable nature of the energy in Microgrids (MGs), it generates …

Direct Digital Control of Single-Phase Grid-Connected Inverters With LCL Filter Based on Inductance Estimation Model

TF Wu, M Misra, YY Jhang, YH Huang… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Soft magnetic powder cores with their high saturation flux density and low core loss are
excellent alternatives for filter inductors in inverter-based applications. However, their …

Coordinated damping optimization control of sub-synchronous oscillation for DFIG and SVG

X Tian, Y Chi, Y Li, H Tang, C Liu… - CSEE Journal of Power …, 2019 - ieeexplore.ieee.org
Currently, the power electronics-based devices, including large-scale non-synchronized
generators and reactive power compensators, are widely used in power grids. This helps …

A theoretical concept of decoupled current control scheme for grid-connected inverter with LCL filter

MA Ghasemi, SF Zarei, S Peyghami, F Blaabjerg - Applied Sciences, 2021 - mdpi.com
This paper proposes a nonlinear decoupled current control scheme for a grid-connected
inverter with LCL filter. Decoupling the active and reactive current control channels is one of …

Robust delay compensation strategy for LCL-Type grid-connected inverter in weak grid

X Ding, R Xue, T Zheng, F Kong, Y Chen - IEEE Access, 2022 - ieeexplore.ieee.org
Capacitor-current-feedback active damping has been widely adopted in digitally controlled
LCL-type grid-connected inverters (GCIs). However, their digital control delay causes the …

A New Design Method of an LCL Filter Applied in Active DC-Traction Substations

M Popescu, A Bitoleanu, A Preda - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper concentrates on the LCL filter with damping resistance intended to connect the
shunt active power filter of an active dc-traction substation to the point of common coupling …

Discrete-time backstepping-state feedback approach for current control of LCL grid-tied converters

MB Araujo, RP Vieira - International Journal of Electrical Power & Energy …, 2021 - Elsevier
Voltage source converters connected to the grid through an LCL filter effectively attenuate
the high frequency harmonics generated by the PWM modulation. However, due to the …

Indirect current control method based on reference current compensation of an lcl-type grid-connected inverter

Z Li, L Yang, D Yang, Z Peng, D Shao, J Liu - Energies, 2022 - mdpi.com
NPC (neutral point clamped converter) is widely used in medium-and high-voltage grid
connection because of its small power devices, simple overall structure, and easy control …