no code implementations • 30 Apr 2024 • Josep Arévalo-Soler, Mehrdad Nahalparvari, Dominic Gross, Eduardo Prieto-Araujo, Staffan Norrga, Oriol Gomis-Bellmunt
Interconnecting power converters (IPC) are the main elements enabling the interconnection of multiple high-voltage alternating current (HVAC) and high-voltage direct current (HVDC) subgrids.
no code implementations • 15 Dec 2022 • Jie Song, Marc Cheah-Mane, Eduardo Prieto-Araujo, Oriol Gomis-Bellmunt
A novel methodology has been presented to identify short-circuit equilibrium point of the studied system considering the operation and limitations of power converters.
no code implementations • 27 Aug 2022 • Oriol Gomis-Bellmunt, Saman Dadjo Tavakoli, Vinicius A. Lacerda, Eduardo Prieto-Araujo
In this sense, the new concept allows running a system powered only by renewables operating at maximum power (or operator defined set-point) in grid-following mode, while the overall system control is ubicated in the demand side.
no code implementations • 14 Mar 2022 • Daniele Zonetti, Romeo Ortega, Rafael Cisneros, Alexey Bobtsov, Fernando Mancilla-David, Oriol Gomis-Bellmunt
We consider a Th\'evenin equivalent circuit capturing the dynamics of a power grid as seen from the point of common coupling with a power electronic converter, and provide a solution to the problem of online identification of the corresponding circuit parameters.
no code implementations • 14 Jan 2022 • Daniele Zonetti, Alexey Bobtsov, Romeo Ortega, Nikolay Nikolaev, Oriol Gomis-Bellmunt
In this paper we are interested in the problem of adaptive synchronization of a voltage source converter with a possibly weak grid with unknown angle and frequency, but knowledge of its parameters.
no code implementations • 13 Jan 2022 • Daniele Zonetti, Oriol Gomis-Bellmunt, Eduardo Prieto-Araujo, Marc Cheah-Mane
We consider a grid-connected voltage source converter (VSC) and address the problem of estimating the grid angle and frequency, information that is essential for an appropriate operation of the converter.
no code implementations • 1 Dec 2021 • Carlos Collados-Rodríguez, Eduard Antolí-Gil, Enric Sánchez-Sánchez, Jaume Girona-Badia, Vinícius Albernaz Lacerda, Marc Cheah-Mañe, Eduardo Prieto-Araujo, Oriol Gomis-Bellmunt
Recent environmental policies have led many academic, industrial and governmental stakeholders to design and plan scenarios with very high share of renewable energy sources (RES).
no code implementations • 1 Dec 2021 • Vinícius Albernaz Lacerda, Jaume Girona-Badia, Stephan Kusche, Florian Pöschke, Eduardo Prieto-Araujo, Horst Schulte, Oriol Gomis-Bellmunt
This paper presents a comparative analysis of several modelling approaches of key elements used in simulations of power systems with renewable energy sources.
no code implementations • 1 Dec 2021 • Lluc Figueras Llerins, Vinícius Albernaz Lacerda, Adrien Guironnet, Quentin Cossart, Eduardo Prieto-Araujo, Oriol Gomis-Bellmunt
This paper analyses the capabilities of the OpenModelica environment to perform electromagnetic transient (EMT) type simulations of power transmission systems with grid-connected converters.
no code implementations • 1 Dec 2021 • Vinícius Albernaz Lacerda, Eduardo Prieto Araujo, Marc Cheah-Mañe, Oriol Gomis-Bellmunt
This paper reviews Voltage-Source Converters (VSCs) EMT and Phasor models currently used to simulate converter-interfaced generation (CIG) and renewable energy resources integration to power systems.
no code implementations • 22 Sep 2021 • Luis Orellana, Luis Sainz, Eduardo Prieto-Araujo, Oriol Gomis-Bellmunt
The present work addresses this issue by proposing a simple criterion to assess the stability of large power systems with high-penetration of power converters.
no code implementations • 1 Sep 2021 • Daniel Westerman Spier, Eduardo Prieto-Araujo, Oriol Gomis-Bellmunt, Joaquim López Mestre
In this paper, a mathematical expression to define the maximum and minimum voltage ripples of the modular multilevel converter (MMC) sub-module (SM) capacitors is proposed.
no code implementations • 30 Aug 2021 • Francesca Rossi, Eduardo Prieto-Araujo, Marc Cheah-Mane, Oriol Gomis-Bellmunt
This article details a complete procedure to derive a data-driven small-signal-based model useful to perform converter-based power system related studies.
no code implementations • 21 Jun 2021 • Dominic Groß, Sánchez-Sánchez, Eduardo Prieto-Araujo, Oriol Gomis-Bellmunt
Finally, we provide an in-depth discussion and comparison of single-port GFM control and the proposed dual-port GFM controls.
no code implementations • 5 May 2021 • Daniel Westerman Spier, Eduardo Prieto-Araujo, Joaquim López-Mestre, Oriol Gomis-Bellmunt
The paper addresses an improved inner current reference calculation to be employed in the control of modular multilevel converters operating during either balanced or unbalanced conditions.