Remote micro-grid synchronization without measurements at the point of common coupling

M Litwin, D Zieliński, K Gopakumar - IEEE Access, 2020 - ieeexplore.ieee.org
This article presents a new strategy of active synchronization of an island micro-grid and the
utility grid (UG) without measurements at the point of common coupling (PCC). This strategy …

Phase-independent reactive power compensation based on four-wire power converter in the presence of angular asymmetry between voltage vectors

D Zieliński, B Stefańczak, K Jędrys - Energies, 2022 - mdpi.com
The paper presents the reactive power compensation method that allows for reducing the
active power flow even in the presence of angular asymmetry between voltage vectors of the …

[PDF][PDF] A survey of the synchronization process of synchronous generators and power electronic converters

W Jarzyna - Bulletin of the Polish Academy of Sciences Technical …, 2019 - journals.pan.pl
The process of synchronization of synchronous generators and power electronic converters
with the power grid may take on quite different forms. This is due to their specific principles of …

Model predictive control algorithm of AC voltage stabilizer based on hybrid transformer with a matrix converter

P Szcześniak, G Tadra, J Kaniewski… - Electric power systems …, 2019 - Elsevier
The predictive control model is more and more frequently used in power electronics
systems. It can also be used in systems to improve power quality. This article presents the …

An evaluation of the accuracy of inverter sync angle during the grid's disturbances

W Jarzyna, D Zieliński, K Gopakumar - Metrology and measurement …, 2020 - infona.pl
The grid-tied inverter synchronizes with the network on the basis of the instantaneous
voltage phase angle. This angle is computed by the so-called synchronization algorithms …

[PDF][PDF] Model predictive control of hybrid transformer with matrix converter

P Szcześniak, G Tadra, Z Fedyczak - Acta Polytech. Hung, 2020 - epa.niif.hu
This paper proposes a model predictive control for a hybrid transformer (HT) with matrix
converter (MC). The proposed HT system is composed of a power transformer connected to …

Grid-tied converter operated under unbalanced and distorted grid voltage conditions

A Gałecki, M Michalczuk, A Kaszewski… - Bulletin of the Polish …, 2020 - yadda.icm.edu.pl
The paper presents a three-phase grid-tied converter operated under unbalanced and
distorted grid voltage conditions, using a multi-oscillatory current controller to provide high …

Comparison of main control strategies for DC/DC stage of bidirectional vehicle charger

K Fatyga, D Zieliński - 2017 International Symposium on …, 2017 - ieeexplore.ieee.org
Comparison of main control strategies for DC/DC stage of bidirectional vehicle charger Page
1 978-1-5386-0359-8/17/$31.00 ©2017 European Union Comparison of main control …

Comprehensive design and implementation of a modified synchronous reference frame vector control method for high power three phase PWM rectifier

M Pichan, A Mirzabayati, M Karimi - IETE Technical Review, 2021 - Taylor & Francis
Three-phase PWM rectifiers have been used widely due to their benefits such as unity
power factor, sinusoidal input current and also low-ripple output DC voltage. Among control …

The impact of converter's synchronization during FRT voltage recovery in two-phase short circuits

W Jarzyna, D Zielinski - 2015 Selected Problems of Electrical …, 2015 - ieeexplore.ieee.org
This article aims to examine the impact of synchronisation methods on transient phenomena
occurring during a short-term voltage sag. The study was conducted for several …