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 …

Online reduced complexity parameter estimation technique for equivalent circuit model of lithium-ion battery

K Saleem, K Mehran, Z Ali - Electric Power Systems Research, 2020 - Elsevier
For control-oriented battery management applications in electric vehicles, Equivalent Circuit
Model (ECM) of battery packs offer acceptable modelling accuracy and simple mathematical …

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 …

A single-phase synchronization technique for grid-connected energy storage system under faulty grid conditions

K Saleem, Z Ali, K Mehran - IEEE Transactions on Power …, 2021 - ieeexplore.ieee.org
The control of a single-phase grid-connected energy storage system (ESS) requires a very
fast and accurate estimation of grid voltage frequency and phase angle. A phase-locked …

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 …

Diversifying the role of distributed generation grid-side converters for improving the power quality of distribution networks using advanced control techniques

Z Ali, N Christofides, L Hadjidemetriou… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Diversifying the role of grid-side converters (GSCs) associated with distributed generation
(DG) may have a technical and economic impact. The increasing number of residential …

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 …

A sensor-less control scheme for grid tied inverters to provide phase balancing services to the distribution grid

L Hadjidemetriou, A Charalambous… - 2019 21st European …, 2019 - ieeexplore.ieee.org
This work proposes a sensor-less controller for grid tied photovoltaic (PV) inverters to enable
phase balancing functionalities for compensating asymmetric loading conditions imposed by …

A Survey based on PLL and its Synchronization Techniques for Interconnected System

MP Thakre, NP Matale, PS Borse - … International Conference on …, 2021 - ieeexplore.ieee.org
Growing dispersion of distributed generations in the recent electrical grid requires proper
control algorithms to remain interconnected. They must also make a proper contribution to …