Blar i NTNU Open på forfatter "D'Arco, Salvatore"

A Modular Multilevel Interface for Transformerless Grid Integration
Guidi, Giuseppe; D'Arco, Salvatore; Suul, Jon Are Wold; Ryosuke, Iso; Itoh, JunIchi (Chapter, 2019)This paper presents a system configuration for transformerless grid integration of largescale charging infrastructures for electric vehicles (EVs) with wireless inductive charging. The proposed configuration relies on a ... 
A Virtual synchronous machine implementation for distributed control of power transformers in SmartGrids
D'Arco, Salvatore; Suul, Jon Are Wold; Fosso, Olav B (Peer reviewed; Journal article, 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 ... 
Accuracy Analysis of a Dynamic State Estimator with a Hardware in the Loop Approach
Sanchez Acevedo, Santiago; Baltensperger, Daniel Simon; D'Arco, Salvatore (IEEE Belgrade PowerTech;2023, Chapter, 2023)State estimation is critical for the monitoring and control of power systems. The conventional approach for state estimation is based on quasi static models for the power systems and as such neglects relevant dynamic ... 
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, 2018)Long HVDC cables are difficult to emulate in laboratory settings due their complex behaviour and fast transient response. This paper presents the methodology for the design and the laboratory implementation of a HVDC cable ... 
Analysis of MMC Dynamics in DQZ Coordinates for Vertical and Horizontal Energy Balancing Control
BergnaDiaz, Gilbert; Freytes, Julian; Guillaud, Xavier; D'Arco, Salvatore; Suul, Jon Are Wold (Chapter, 2018)This paper presents a control system implementation in dqzcoordinates for equalizing the average energies stored in each arm of a Modular Multilevel Converter (MMC); a control objective that is typically referred to as ... 
Applying Vector Fitting for Measurementbased MultipleInput MultipleOutput Model Identification of a GridForming Converter
Reis, Lisa; Smith, Andrew MacMillan; D'Arco, Salvatore; Suul, Jon Are Wold (Chapter, 2023)This paper presents an approach for applying Vector Fitting (VF) to identify a smallsignal statespace model of a power electronic converter represented as a multipleinput multipleoutput (MIMO) system. A workflow for ... 
Challenges and Rationale for Laboratory Research of Offshore Grids
Ljøkelsøy, Kjell; D'Arco, Salvatore; Tande, John Olav Giæver (Journal article; Peer reviewed, 2012)Offshore power systems will be characterized by a large penetration of power electronics converters and power cables, resulting in complex behaviors that can be quite different from traditional AC systems. Analyzing such ... 
Challenges and Strategies for a RealTime Implementation of a RainflowCounting Algorithm for Fatigue Assessment of Power Modules
Antonopoulos, Antonios; D'Arco, Salvatore; Hernes, Magnar; Peftitsis, Dimosthenis (Chapter, 2019)The aim of this work is to obtain a reliable estimation of the remaining lifetime of powerelectronic modules. Lifetime models provide information on the fatigue durability of power modules under repetitive loading ... 
Classification and analysis of impact on smallsignal dynamics and stability from expansion of VSCHVDC systems to multiterminal HVDC grids
D'Arco, Salvatore; Beerten, Jef; Suul, Jon Are Wold (Chapter, 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 SmallSignal Dynamics in Virtual Synchronous Machines and FrequencyDerivativeBased Inertia Emulation
Suul, Jon Are Wold; D'Arco, Salvatore (Chapter, 2018)This paper presents a comparison of smallsignal dynamics for a current controlled Virtual Synchronous Machine (VSM), a voltage controlled VSM and a df/dtbased control strategy for inertia emulation. The comparison is ... 
Comparative Evaluation of Virtual Inertia and Fast Frequency Reserve Provided by HVDC Terminals
Garcia Rosa, Paula Bastos; D'Arco, Salvatore; Suul, Jon Are Wold (Chapter, 2022)This paper compares the impact on power system frequency transients from virtual inertia and Fast Frequency Reserve (FFR) provided by HVDC converters. Specifically, frequency nadir, RateofChangeofFrequency (RoCoF), and ... 
Coordination of Frequency Reserves in an Isolated Industrial Grid Equipped With Energy Storage and Dominated by Constant Power Loads
Mota, Daniel dos Santos; Alves, Erick Fernando; D'Arco, Salvatore; Sanchez Acevedo, Santiago; Tedeschi, Elisabetta (Peer reviewed; Journal article, 2023)This paper examines the use of interconnected synchronous system requirements for frequency containment reserves (FCR) on isolated industrial grids that use turbogenerators as main source of energy, have high penetration ... 
Coupling of AC Grids via VSCHVDC Interconnections for Oscillation Damping based on Differential and Common Power Control
RodriguezCabero, Alberto; Perez, Javier; Prodanovic, Milan; Suul, Jon Are Wold; D'Arco, Salvatore (Journal article; Peer reviewed, 2019)This paper presents a control approach for HVDC interconnections that provides damping of frequency oscillations in asynchronous ac grids by introducing a virtual friction for coupling their inertial dynamics. The HVDC ... 
A Current Controlled Virtual Synchronous Machine Adapted for Operation under Unbalanced Conditions
Avdiaj, Eros; Suul, Jon Are Wold; D'Arco, Salvatore; Piegari, Luigi (Chapter, 2020)This paper presents a comprehensive evaluation of control strategies for operation of a Virtual Synchronous Machine (VSM) under unbalanced conditions in both gridconnected and islanded mode. The basis for the evaluation ... 
Design and Operation Principles of DC Circuit Breakers  Development of a Solid State DC Breaker for the NTNU/SINTEF Smart Grid and Renewable Energy Laboratory
Norum, Eivind Ødegaard (Master thesis, 2016)Exciting high voltage direct current (HVDC) transmission systems are mainly pointtopoint connections. A multiterminal HVDC grid consisting of three or more inter connected converter stations is suggested in order to ... 
Effect of Including Transient Virtual Impedance in DroopControlled Microgrids
Göthner, Fredrik T. B. W.; Midtgård, OleMorten; Torres Olguin, Raymundo E.; D'Arco, Salvatore (Chapter, 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 ... 
Eigenvaluebased analysis of smallsignal dynamics and stability in DC grids
D'Arco, Salvatore; Beerten, Jef; Suul, Jon Are Wold (Chapter, 2021)In this chapter, we discuss a modular approach for statespace modeling and eigenvaluebased analysis of smallsignal dynamics in DC grids. We first introduce the requirements for statespace representation and linearization ... 
EnergyBased StateSpace Representation of Modular Multilevel Converters with a Constant Equilibrium Point in SteadyState Operation
BergnaDiaz, Gilbert; Suul, Jon Are Wold; D'Arco, Salvatore (Journal article; Peer reviewed, 2017)The internal currents and voltages of Modular Multilevel Converters (MMCs) contain multiple frequency components in steady state operation and remain timeperiodic even when transformed into a synchronously rotating reference ... 
Enhanced primary frequency control from EVs: a fleet management strategy to mitigate effects of response discreteness
Zecchino, Antonio; D'Arco, Salvatore; Endegnanew, Atsede Gualu; Korpås, Magnus; Marinelli, Mattia (Journal article; Peer reviewed, 2019)Electric vehicle (EV) chargers can be controlled to support the grid frequency by implementing a standardcompliant fast primary frequency control (PFC). This study addresses potential effects on power systems due to control ... 
Evaluation of a modular system topology for largescale wireless EV charging in a commercial parking facility
Guidi, Giuseppe; D'Arco, Salvatore; Suul, Jon Are Wold (Chapter, 2021)This paper evaluates the operation of a modular transformerless grid interface topology for largescale wireless charging of electric vehicles (EVs) under a loading scenario for a commercial parking facility. The studied ...