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 …

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 …

Performance evaluation and benchmarking of PLL algorithms for grid‐connected RES applications

Z Ali, N Christofides, K Saleem… - IET Renewable …, 2020 - Wiley Online Library
The phase‐locked loop (PLL) is the main controller element for the fast and accurate
synchronisation and operation of grid‐connected renewable energy systems (RESs). It is …

Control hardware-in-the-loop simulation on fast frequency response of battery energy storage system equipped with advanced frequency detection algorithm

Y Mitsugi, H Hashiguchi, T Shigemasa… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Fast frequency response (FFR) of battery energy storage system (BESS) is an effective way
to mitigate the system frequency deviation induced by the fluctuation of power generation …

A computationally efficient current controller for simultaneous injection of both positive and negative sequences

Z Ali, N Chritofides, L Hadjidemetriou… - 2017 19th European …, 2017 - ieeexplore.ieee.org
Reducing the required processing time of current controllers used in grid side converter
(GSC) of renewable energy systems (RES) allows to optimize the limited processing …

PLL based on extended trigonometric function delayed signal cancellation under various adverse grid conditions

M Chen, L Peng, B Wang, J Kan - IET Power Electronics, 2018 - Wiley Online Library
Phase‐locked loop (PLL) plays an important role in the grid‐connected converters. PLL
should have the ability of filtering the harmonics under the non‐ideal grid voltage. Recently …

Photovoltaic reactive power compensation scheme: An investigation for the Cyprus distribution grid

Z Ali, N Christofides, L Hadjidemetriou… - 2018 IEEE …, 2018 - ieeexplore.ieee.org
Voltage deviation resulting from the power generation of distributed Renewable Energy
Sources (RES) can be a serious problem especially as the penetration of RES is increased …

A sensorless control strategy for automatic start‐up and grid‐synchronization of doubly fed induction generator in wind energy conversion system

SS Rauth, D Kastha, P Bajpai - International Journal of Circuit …, 2024 - Wiley Online Library
In a wind energy conversion system (WECS) based on a doubly fed induction generator
(DFIG), a fast and smooth automatic synchronization of the DFIG with the utility grid is always …

Benchmarking of phase lock loop based synchronization algorithms for grid-tied inverter

F Filipović, B Banković, M Petronijević, N Mitrović… - SJEE, 2019 - 91.187.132.54
In renewable energy-based generation sources a phase locked loop is one of the most
popular synchronization techniques. A rapid and precise grid voltage phase and frequency …

Optimal controller design for inverter-based microgrids

E Rokrok, F Shavakhi Zavareh, J Soltani… - Iranian Journal of …, 2019 - Springer
This paper presents a comprehensive control scheme for inverter-based distributed
generations (DGs) in grid-connected microgrids (MGs). The proposed control strategy …