Three-phase phase-locked loop synchronization algorithms for grid-connected renewable energy systems: A review

Z Ali, N Christofides, L Hadjidemetriou… - … and Sustainable Energy …, 2018 - Elsevier
The increasing penetration of distributed renewable energy sources (RES) requires
appropriate control techniques in order to remain interconnected and contribute in a proper …

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 third-order MAF based QT1-PLL that is robust against harmonically distorted grid voltage with frequency deviation

M Mellouli, M Hamouda, JBH Slama… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The quasi-type-l phase-locked loop (QT1-PLL) is a grid synchronization technique that has
become very popular in recent years thanks to its attractive performance such as easy …

Harmonic current and inrush fault current coordinated suppression method for VSG under non-ideal grid condition

L Zhou, S Liu, Y Chen, W Yi, S Wang… - … on Power Electronics, 2020 - ieeexplore.ieee.org
For the virtual synchronous generator, the voltage-controlled harmonic suppression method
will seriously deteriorate the magnitude of inrush fault current in the moment of grid …

Coordinated control of distributed three-and single-phase inverters connected to three-phase three-wire microgrids

DI Brandao, LS Araujo, AMS Alonso… - IEEE Journal of …, 2019 - ieeexplore.ieee.org
This paper explores the coordinated strategy named power-based control (PBC) to properly
coordinate grid-tied single-and three-phase distributed energy resources (DERs) in three …

Phase balancing and reactive power support services for microgrids

A Charalambous, L Hadjidemetriou, L Zacharia… - Applied Sciences, 2019 - mdpi.com
Alternating current (AC) microgrids are expected to operate as active components within
smart distribution grids in the near future. The high penetration of intermittent renewable …

Design of an advanced PLL for accurate phase angle extraction under grid voltage HIHs and DC offset

Z Ali, N Christofides, L Hadjidemetriou… - IET Power …, 2018 - Wiley Online Library
The presence of direct current (DC) offset and harmonics–interharmonics (HIHs) in grid
voltage input signal of phase‐locked loop (PLL) results in inaccurate controller response …

Demonstration of man in the middle attack on a commercial photovoltaic inverter providing ancillary services

G Tertytchny, H Karbouj… - 2020 IEEE …, 2020 - ieeexplore.ieee.org
Rapid modernisation of distribution power systems aims to improve system efficiency and
reliability while increasing photovoltaic (PV) penetration levels. However, ensuring the cyber …

Multi‐functional distributed generation control scheme for improving the grid power quality

Z Ali, N Christofides, L Hadjidemetriou… - IET Power …, 2019 - Wiley Online Library
Renewable sources are expected to be a key element of future power systems. With many
challenges ahead, thinking out of the box is necessary in order to equip the power system …

A new MAF based αβEPMAFPLL for grid connected RES with improved performance under grid faults

Z Ali, N Christofides, L Hadjidemetriou… - Electric Power Systems …, 2018 - Elsevier
Diversifying the role of renewable energy sources (RES) and in particular, the role of the grid
side converter (GSC) has gained a lot of attention recently. This is a result of the need for …