Blar i Institutt for teknisk kybernetikk på forfatter "D'Arco, Salvatore"
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A Modular Multilevel Interface for Transformerless Grid Integration
Guidi, Giuseppe; D'Arco, Salvatore; Suul, Jon Are Wold; Ryosuke, Iso; Itoh, Jun-Ichi (Chapter, 2019)This paper presents a system configuration for transformer-less grid integration of large-scale charging infrastructures for electric vehicles (EVs) with wireless inductive charging. The proposed configuration relies on a ... -
Applying Vector Fitting for Measurement-based Multiple-Input Multiple-Output Model Identification of a Grid-Forming 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 small-signal state-space model of a power electronic converter represented as a multiple-input multiple-output (MIMO) system. A workflow for ... -
Comparative Analysis of Small-Signal Dynamics in Virtual Synchronous Machines and Frequency-Derivative-Based Inertia Emulation
Suul, Jon Are Wold; D'Arco, Salvatore (Chapter, 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 ... -
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, Rate-of-Change-of-Frequency (RoCoF), and ... -
Coupling of AC Grids via VSC-HVDC Interconnections for Oscillation Damping based on Differential and Common Power Control
Rodriguez-Cabero, 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 grid-connected and islanded mode. The basis for the evaluation ... -
Eigenvalue-based analysis of small-signal 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 state-space modeling and eigenvalue-based analysis of small-signal dynamics in DC grids. We first introduce the requirements for state-space representation and linearization ... -
Evaluation of a modular system topology for large-scale 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 transformer-less grid interface topology for large-scale wireless charging of electric vehicles (EVs) under a loading scenario for a commercial parking facility. The studied ... -
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, 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 Inertia Control Strategies for MMC-based HVDC Terminals by P-HiL Experiments
D'Arco, Salvatore; Nguyen, Tuan Thanh; Suul, Jon Are Wold (Chapter; Peer reviewed, 2019)This paper presents an experimental performance evaluation of different control strategies for providing virtual inertia from power electronic converters. The evaluation is based on a laboratory-scale prototype of a ... -
Frequency-Adaptive Energy Control for Grid-Forming MMCs Under Unbalanced Conditions
Avdiaj, Eros; D'Arco, Salvatore; Piegari, Luigi; Suul, Jon Are Wold (Peer reviewed; Journal article, 2023)This paper presents a frequency-adaptive energy control strategy for a Modular Multilevel Converter (MMC) which is suitable for grid-forming operation under unbalanced conditions. The average components of the energy sum ... -
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 ... -
Improved Pole Placement and Compaction of MIMO Vector Fitting Applied to System Identification
Smith, Andrew MacMillan; D'Arco, Salvatore; Suul, Jon Are Wold (Peer reviewed; Journal article, 2024)In this work we address the modeling of multi-port subsystems with unknown inner dynamics by utilizing vector fitting to identify state-space models for performing eigenvalue-based analysis. Vector fitting is used to ... -
Improving the Power Reference Tracking of Virtual Synchronous Machines by Feed-Forward Control
D'Arco, Salvatore; Suul, Jon Are Wold (Chapter, 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 ... -
Load Balancing of a Modular Multilevel Grid Interface Converter for Transformer-Less Large-Scale Wireless Electric Vehicle Charging Infrastructure
Guidi, Giuseppe; D'Arco, Salvatore; Nishikawa, Koudai; Suul, Jon Are Wold (Peer reviewed; Journal article, 2020)This paper analyses the requirements for load balancing of a new transformer-less grid interface topology for large-scale electric vehicle (EV) charging infrastructures. The proposed configuration utilizes a Modular ... -
Operation of a mudular multilevel converter controlled as a Virtual synchronous machine
D'Arco, Salvatore; Guidi, Giuseppe; Suul, Jon Are Wold (Chapter, 2018)Modular multilevel converters (MMC) have been a research focus in high-voltage power conversion, covering modulation techniques, capacitor voltage balancing and circulating current control. In this paper, a control method ... -
Optimal load management strategy for large electric vehicle charging stations with undersized charger clusters
Gümrükcü, Erdem; Ponci, Ferdinanda; Monti, Antonello; Guidi, Giuseppe; D'Arco, Salvatore; Suul, Jon Are Wold (Peer reviewed; Journal article, 2021)This study proposes a load management strategy for parking and charging facilities with the capacity to serve several hundreds of electric vehicles. The strategy is built upon two assumptions on power distribution systems ... -
Optimal Management for Megawatt Level Electric Vehicle Charging Stations with a Grid Interface Based on Modular Multilevel Converter
Gümrükcü, Erdem; Asadollahi, Ehsan; Joglekar, Charukeshi; Ponci, Ferdinanda; Monti, Antonello; Guidi, Giuseppe; D'Arco, Salvatore; Suul, Jon Are Wold (Peer reviewed; Journal article, 2021)This paper proposes a strategy to manage an electric vehicle charging station (EVCSs) with a grid-side interface based on a Modular Multilevel Converter (MMC). In such a system, heterogeneous behavior of electric vehicles ... -
Optimized Allocation of Loads in MMC-based Electric Vehicle Charging Infrastructure
Gümrükcü, Erdem; Ponci, Ferdinanda; Monti, Antonello; Guidi, Giuseppe; D'Arco, Salvatore; Suul, Jon Are Wold (Chapter, 2020)Utilization of the modular multilevel converter (MMC) topology can enable transformer-less interfacing between electric vehicle (EV) charging infrastructure and the power distribution grid. Such configurations are claimed ... -
P-HiL Evaluation of Virtual Inertia Support to the Nordic Power System by an HVDC Terminal
D'Arco, Salvatore; Duong, Dinh Thuc; Suul, Jon Are Wold (Chapter, 2020)This paper provides an assessment of the effect from virtual inertia provided by an HVDC converter terminal on the Nordic power system. The analysis is based on results from Power-Hardware-in-the-Loop (P-HiL) tests with a ...