Unbalance mitigation strategies in microgrids

AS Vijay, S Doolla, MC Chandorkar - IET Power Electronics, 2020 - Wiley Online Library
Unbalance or asymmetry in the distribution network is a well‐known power quality issue. In
the modern active distribution system, with the increasing penetration of renewables, this …

A novel multilayer N-LMS adaptive-filter-based control for synchronization and power quality improvement in grid-tied SPV system

G Modi, B Singh - IEEE Transactions on Industrial Electronics, 2022 - ieeexplore.ieee.org
In the power distribution grid, a solar photovoltaic (SPV) system may experience voltage
sag, swell, harmonics distortion, unbalance, and dc offset at its point of interconnection …

Fault ride-through analysis of current-and voltage-source models of grid supporting inverter-based microgrid

E Buraimoh, IE Davidson - IEEE Canadian Journal of Electrical …, 2021 - ieeexplore.ieee.org
Withstanding fault is a crucial technical challenge for inverter-based systems. Evolving grid
codes require microgrids to possess fault ride-through (FRT) capabilities and support the …

Collaborative voltage unbalance elimination in grid-connected AC microgrids with grid-feeding inverters

Á Borrell, M Velasco, J Miret… - … on Power Electronics, 2020 - ieeexplore.ieee.org
The control flexibility of the power inverters that interface distributed generation can be
exploited to incorporate power quality enhancement features in addition to the usual power …

Control scheme for negative-sequence voltage compensation and current sharing in inverter-based grid-connected microgrids

M Castilla, M Velasco, J Miret, Á Borrell… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This article presents a control scheme that simultane-ously solves the problems of negative-
sequence voltage compensation and negative-sequence current sharing in grid-connected …

Voltage Support Strategy for Improving Power Transfer Capability of Grid-Connected Converter Under Unbalanced Conditions

Y Feng, W Huang, Z **, Y Li, ZJ Shen… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Grid-connected converter should transmit power from distributed generation to the grid as
much as possible, even under unbalanced conditions. However, under the necessary …

A Multi-objective Bi-level LVRT Control Strategy for Two-stage PV Grid-connected System under Asymmetrical Faults

Y Wang, Q Zhao, W Zhang, T Zhang… - IEEE Transactions …, 2025 - ieeexplore.ieee.org
With the increasing integration of photovoltaics (PV) into power systems, the low-voltage ride-
through (LVRT) control of PV grid-connected systems is drawing significant attention. This …

Distributed generator with virtual grid-based remote voltage unbalance compensation and maximum current limiting

JI Iniguez, J Miret, A Camaeho… - 2024 IEEE 33rd …, 2024 - ieeexplore.ieee.org
This paper proposes a control scheme for a distributed generator to eliminate the negative-
sequence voltage at a remote point of the power system based on the virtual grid concept …

A Power Ripple Suppression Method for Grid-Forming Converter under Imbalanced Grids

K Zhou, B Zhang, Z Liu, Y Li, Q Zhang… - 2024 IEEE 10th …, 2024 - ieeexplore.ieee.org
Grid-forming converter has been intensively discussed for the capability of active frequency
and voltage magnitude regulation. However, due to the absence of closed-loop direct grid …

Reducción de la tensión de secuencia negativa en la salida de los convertidores de potencia de una micro-red eléctrica aislada

J **e - 2024 - upcommons.upc.edu
En el contexto de la creciente integración de fuentes de energía renovable en las redes
eléctricas, los inversores conectados a la red juegan un papel crucial. Sin embargo, uno de …