no code implementations • 31 Jan 2024 • Verena Häberle, Xiuqiang He, Linbin Huang, Eduardo Prieto-Araujo, Florian Dörfler
In this paper, we propose a systematic closed-loop approach to provide optimal dynamic ancillary services with converter-interfaced generation systems based on local power grid perception.
no code implementations • 2 Oct 2023 • Verena Häberle, Linbin Huang, Xiuqiang He, Eduardo Prieto-Araujo, Florian Dörfler
Namely, we translate the piece-wise linear time-domain curves for active and reactive power provision in response to a frequency and voltage step change into a desired rational parametric transfer function in the frequency domain, which defines a dynamic response behavior to be realized by the converter.
no code implementations • 29 Apr 2023 • Verena Häberle, Linbin Huang, Xiuqiang He, Eduardo Prieto-Araujo, Roy S. Smith, Florian Dörfler
A fast and accurate grid impedance measurement of three-phase power systems is crucial for online assessment of power system stability and adaptive control of grid-connected converters.
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 • 21 Sep 2022 • Huanhai Xin, Yuxuan Wang, Xia Chen, Eduardo Prieto-Araujo, Linbin Huang
Based on our analysis, we further study the problem of how to configure GFM converters in the grid and how many GFM converters we will need.
no code implementations • 17 Sep 2022 • Meng Chen, Dao Zhou, Ali Tayyebi, Eduardo Prieto-Araujo, Florian Dörfler, Frede Blaabjerg
A step-by-step construction and design procedure of the power control of grid-forming converters is also given.
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 • 17 Feb 2022 • Meng Chen, Dao Zhou, Ali Tayyebi, Eduardo Prieto-Araujo, Florian Dörfler, Frede Blaabjerg
The classic design of grid-forming control strategies for power converters rely on the stringent assumption of the timescale separation between DC and AC states and their corresponding control loops, e. g., AC and DC loops, power and cascaded voltage and current loops, etc.
no code implementations • 4 Feb 2022 • Verena Häberle, Ali Tayyebi, Xiuqiang He, Eduardo Prieto-Araujo, Florian Dörfler
We present a novel grid-forming control design approach for dynamic virtual power plants (DVPP).
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 • 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 • 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 • 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 • 14 Sep 2021 • Meng Chen, Dao Zhou, Ali Tayyebi, Eduardo Prieto-Araujo, Florian Dörfler, Frede Blaabjerg
The grid-forming converter is an important unit in the future power system with more inverter-interfaced generators.
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.
1 code implementation • 2 Aug 2021 • Verena Häberle, Michael W. Fisher, Eduardo Prieto-Araujo, Florian Dörfler
Our control approach relies on an adaptive divide-and-conquer strategy: first, we disaggregate the desired frequency and voltage control specifications of the aggregate DVPP via adaptive dynamic participation matrices (ADPMs) to obtain the desired local behavior for each device.
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.