Three-Level Secure Smart Protection for Ring Grid-Connected Distributed Generation

Autor: Mostafa Bakkar, Santiago Bogarra, Felipe Córcoles, Ahmed Aboelhassan, Shuo Wang, Javier Iglesias

Publikováno v: Energies, Vol 17, Iss 13, p 3188 (2024)

The penetration increase in distributed generators (DGs) into smart grids (SGs) will lead to new challenges, especially in protection systems. In the case of ring grids, the behavior of the short-circuit current is affected by DGs, and the medium vol

Externí odkaz: https://doaj.org/article/9bf8302b40cf4cdeb13ea02ae92dadac

New Methodology to Calculate DC Voltage Signature in N-Phases TRUs Under Supply Voltage Sags

Autor: Jaume Saura-Perise, Mostafa Bakkar, Santiago Bogarra

Publikováno v: IEEE Access, Vol 10, Pp 20199-20211 (2022)

A new methodology based on the shadow projection has been developed to study any multipulse rectifier’s dynamic behavior under balanced and unbalanced conditions. The proposed methodology calculates the DC average voltage and instantaneous values u

Externí odkaz: https://doaj.org/article/c479cdb5df2648a79017c1df2b5956d9

A THD-Based Fault Protection Method Using MSOGI-FLL Grid Voltage Estimator

Autor: Wael Al Hanaineh, Jose Matas, Jorge El Mariachet, Peilin Xie, Mostafa Bakkar, Josep. M. Guerrero

Publikováno v: Sensors, Vol 23, Iss 2, p 980 (2023)

The rapid growth of the distributed generators (DGs) integration into the distribution systems (DSs) creates new technical issues; conventional relay settings need to be updated depending on the network topology and operational mode as fault protecti

Externí odkaz: https://doaj.org/article/5d06a8cea961405b84c022680b2dff3d

PV Systems Control Using Fuzzy Logic Controller Employing Dynamic Safety Margin under Normal and Partial Shading Conditions

Autor: Mostafa Bakkar, Ahmed Aboelhassan, Mostafa Abdelgeliel, Michael Galea

Publikováno v: Energies, Vol 14, Iss 4, p 841 (2021)

Because of the unpredictable activity of solar energy sources, photovoltaic (PV) maximum power point tracking (MPPT) is essential to guarantee the continuous operation of electrical energy generation at optimal power levels. Several works have extens

Externí odkaz: https://doaj.org/article/daafb466408646be99b6451061a87098

Voltage recovery influence on three‐phase grid‐connected inverters under voltage sags

Autor: Sauro José Yagüe Yagüe, Mostafa Bakkar, Santiago Bogarra, Pablo Gimenez, Alejandro Rolan, Jaume Saura

Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
instname
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

Faults in power systems cause voltage sags, which, in turn, provoke large current peaks in grid-connected equipment. Then, a complete knowledge of the inverter behaviour is needed to meet fault ride-through capability. The aim of this paper is to pro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1c50f553ef9a405c4f7db8af27967820
https://doi.org/10.1049/iet-gtd.2018.5607