Blar i Publikasjoner fra CRIStin på forfatter "D'Arco, Salvatore"
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A Virtual synchronous machine implementation for distributed control of power transformers in SmartGrids
D'Arco, Salvatore; Suul, Jon Are Wold; Fosso, Olav B (Journal article; Peer reviewed, 2015)The ongoing evolution of the power system towards a “SmartGrid” implies a dominant role of powerelectronic converters, but poses strict requirements on their control strategies to preserve stability andcontrollability. In ... -
An Approach for Small Scale Power Hardware in the Loop Emulation of HVDC Cables
Sanchez Acevedo, Santiago; D'Arco, Salvatore; Holdyk, Andrzej; Tedeschi, Elisabetta (Chapter; Peer reviewed, 2018) -
Analysis of MMC Dynamics in DQZ Coordinates for Vertical and Horizontal Energy Balancing Control
Bergna-Diaz, Gilbert; Freytes, Julian; Guillaud, Xavier; D'Arco, Salvatore; Suul, Jon Are Wold (Chapter; Peer reviewed, 2018)This paper presents a control system implementation in dqz-coordinates for equalizing the average energies stored in each arm of a Modular Multilevel Converter (MMC); a control objective that is typically referred to as ... -
Architecture and laboratory implementation of a testing platform for Wide Area Monitoring Systems
Duong, Dinh Thuc; D'Arco, Salvatore; Tande, John Olav Giæver (Chapter; Peer reviewed, 2019)This paper presents a platform for testing wide area monitoring system (WAMS) applications in real time with a Hardware-in-the-Loop (HIL) approach. The power grid dynamics are emulated by performing real-time phasor ... -
Challenges and Strategies for a Real-Time Implementation of a Rainflow-Counting Algorithm for Fatigue Assessment of Power Modules
Antonopoulos, Antonios; D'Arco, Salvatore; Hernes, Magnar; Peftitsis, Dimosthenis (IEEE Applied Power Electronics Conference and Exposition. Conference Proceedings;2019, Chapter; Peer reviewed, 2019)The aim of this work is to obtain a reliable estimation of the remaining lifetime of power-electronic modules. Lifetime models provide information on the fatigue durability of power modules under repetitive loading ... -
Classification and analysis of impact on small-signal dynamics and stability from expansion of VSC-HVDC systems to multi-terminal HVDC grids
D'Arco, Salvatore; Beerten, Jef; Suul, Jon Are Wold (Chapter; Peer reviewed, 2017)This paper presents a structured approach for analysing the effect of HVDC transmission system expansion on the small signal dynamics. The methodology decomposes the expansion of the system into a sequence of steps and ... -
Comparative Analysis of Modulation Techniques for Modular Multilevel Converters in Traction Drives
de Simone, Davide; Piegari, Luigi; D'Arco, Salvatore (Peer reviewed, 2018)The spreading of electric vehicles led to a renewed interest for innovative traction drives. In this context, an electric traction drive based on a Modular Multilevel Converter and integrating batteries in each module has ... -
Comparative Analysis of Small-Signal Dynamics in Virtual Synchronous Machines and Frequency-Derivative-Based Inertia Emulation
Suul, Jon Are Wold; D'Arco, Salvatore (Chapter; Peer reviewed, 2018)This paper presents a comparison of small-signal dynamics for a current controlled Virtual Synchronous Machine (VSM), a voltage controlled VSM and a df/dt-based control strategy for inertia emulation. The comparison is ... -
Configuration and model order selection of frequency-dependent π-models for representing dc-cables in small-signal eigenvalue analysis of HVDC transmission systems
D'Arco, Salvatore; Suul, Jon Are Wold; Beerten, Jef (Peer reviewed; Journal article, 2020)Eigenvalue-based analysis of small-signal dynamics in High Voltage Direct Current (HVDC) transmission systems requires cable models that are compatible with a state-space representation. While distributed parameter models ... -
Convex Optimization-based Control Design for Parallel Grid-Connected Inverters
Kammer, Christoph; D'Arco, Salvatore; Endegnanew, Atsede Gualu; Karimi, Alireza (Journal article; Peer reviewed, 2018)This paper presents a novel frequency-domain approach towards the control design for parallel grid-connected voltage source inverters (VSIs) with LCL output filters. The proposed method allows to design the controllers of ... -
A Current Controlled Virtual Synchronous Machine Adapted for Operation under Unbalanced Conditions
Avdiaj, Eros; Suul, Jon Are Wold; D'Arco, Salvatore; Piegari, Luigi (International Conference on Renewable Energy Research and Applications;9, Chapter; Peer reviewed, 2020)This paper presents a comprehensive evaluation of control strategies for operation of a Virtual Synchronous Machine (VSM) under unbalanced conditions in both grid-connected and islanded mode. The basis for the evaluation ... -
Effect of Including Transient Virtual Impedance in Droop-Controlled Microgrids
Göthner, Fredrik T. B. W.; Midtgård, Ole-Morten; Torres Olguin, Raymundo E.; D'Arco, Salvatore (Chapter; Peer reviewed, 2018)Droop control has shown promising results for decentralized power sharing in microgrids. However, the basic scheme can suffer from unequal reactive power sharing power due to differing line impedances between converters ... -
Evaluation of Inertia Emulation Strategies for DC- Voltage-Controlled and Power-Controlled Converter Stations in HVDC Interconnections
Puricelli, Francesco Giacomo; D'Arco, Salvatore; Suul, Jon Are Wold; Piegari, Luigi (Chapter; Peer reviewed, 2020)This paper presents an evaluation of two control schemes for virtual inertia support from the converter terminals of an HVDC interconnection. A point-to-point interconnection between asynchronous power systems is assumed, ... -
Evaluation of Virtual Synchronous Machines With Dynamic or Quasi-Stationary Machine Models
Mo, Olve; D'Arco, Salvatore; Suul, Jon Are Wold (Journal article; Peer reviewed, 2016)This paper presents a comparison of the small-signal stability properties for Virtual Synchronous Machines (VSMs) with dynamic and quasi-stationary representation of the internal Synchronous Machine (SM) model. It is shown ... -
Failure analysis and lifetime assessment of IGBT power modules at low temperature stress cycles
Hernes, Magnar; D'Arco, Salvatore; Antonopoulos, Antonios; Peftitsis, Dimosthenis (Peer reviewed; Journal article, 2021)Lifetime models of high‐power Insulated Gate Bipolar Transistors modules express the number of cycles to end of life as a function of stress parameters. These models are normally developed based on experimental data from ... -
Frequency-dependent cable modelling for small-signal stability analysis of VSC-HVDC systems
Beerten, Jef; D'Arco, Salvatore; Suul, Jon Are Wold (Journal article; Peer reviewed, 2016)State-of-the-art time-domain models of power cables account for the frequency dependency of physical parameters to enable accurate transient simulations of high-voltage transmission schemes. Owing to their formulation, ... -
Generalized Voltage-based State-Space Modelling of Modular Multilevel Converters with Constant Equilibrium in Steady State
Bergna-Diaz, Gilbert; Freytes, Julian; Guillaud, Xavier; D'Arco, Salvatore; Suul, Jon Are Wold (Journal article; Peer reviewed, 2018)Abstract: This paper demonstrates that the sum and difference of the upper and lower arm voltages are suitable variables for deriving a generalized state-space model of an MMC which settles at a constant equilibrium in ... -
Identification and Small-Signal Analysis of Interaction Modes in VSC MTDC Systems
Beerten, Jef; D'Arco, Salvatore; Suul, Jon Are Wold (Journal article; Peer reviewed, 2016)Email Print Request Permissions In this paper, a methodology is presented to identify and analyse interaction modes between converters in Voltage Source Converter Multi-Terminal High Voltage Direct Current (VSC MTDC) ... -
Impact on Power System Frequency Dynamics from an HVDC Transmission System With Converter Stations Controlled as Virtual Synchronous Machines
Palombi, Francesco; Piegari, Luigi; D'Arco, Salvatore; Endegnanew, Atsede Gualu; Suul, Jon Are Wold (Chapter; Peer reviewed, 2019) -
Improving the Power Reference Tracking of Virtual Synchronous Machines by Feed-Forward Control
D'Arco, Salvatore; Suul, Jon Are Wold (Chapter; Peer reviewed, 2021)This paper presents a feed-forward control method for improving the power reference tracking performance of Virtual Synchronous Machines (VSMs) without compromising their main features in terms of grid forming capability ...