Blar i NTNU Open på forfatter "D'Arco, Salvatore"
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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 Methods for Detecting and Locating Faults in HVDC Grids
Martinsen, Erik (Master thesis, 2014)In this thesis work, different proposed methods for detecting and locating short circuit faults in Multi Terminal HVDC grids have been evaluated by implemenation and transient simulations in PSCAD. The research has been ... -
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 ... -
Evaluation of Virtual Synchronous Machines With Dynamic or Quasi-Stationary Machine Models
Mo, Olve; D'Arco, Salvatore; Suul, Jon Are Wold (Peer reviewed; Journal article, 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-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 ... -
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 ... -
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 ... -
Harmonic analysis of collection grid in offshore wind installations
Shan, Chan (Master thesis, 2018)This thesis work has presented a comprehensive harmonic analysis in megawatt offshore wind farms where the permanent magnet synchronous generator (PMSG) is used. Firstly, a detail configuration of the wind energy conversion ... -
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)In this paper, a methodology is presented to identify and analyze interaction modes between converters in voltage-source converter multiterminal high-voltage direct current (VSC MTDC) systems. The absence of a substantial ... -
Impedance computation for power electronic converters with Hilbert transform
Sanchez Acevedo, Santiago; Tedeschi, Elisabetta; Bergna-Diaz, Gilbert; D'Arco, Salvatore; Sanz, Marina (Chapter, 2017)The Hilbert transform (HT) is widely used in signal processing and it has been found as a good tool to understand some physical phenomena in electrical systems. This paper presents a methodology to derive the input impedance ... -
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 Small-Signal Stability of an MMC with CCSC by Control of the Internally Stored Energy
Freytes, Julian; Bergna Diaz, Gilbert; Suul, Jon Are Wold; D'Arco, Salvatore; Gruson, Francois; Colas, Frederic; Saad, Hani; Guillaud, Xavier (Journal article; Peer reviewed, 2017)The DC-side dynamics of Modular Multilevel Converters (MMCs) can be prone to poorly damped oscillations or stability problems when the second harmonic components of the arm currents are mitigated by a Circulating Current ... -
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 ... -
Lab Setup and Testing of Lithium-Ion Batteries with Focus on Dynamic and Aging Modeling
Molund, Eirik (Master thesis, 2013)This report presents the work on making a lab setup for testing of different types of batteries in the energy storage lab at NTNU/SINTEF. A complete lab setup has been made and two different LiFePO4 chemistry cells of size ... -
Limitations and Guidelines for Damage Estimation Based on Lifetime Models for High-Power IGBTs in Realistic Application Conditions
Antonopoulos, Antonios; D'Arco, Salvatore; Hernes, Magnar; Peftitsis, Dimosthenis (Peer reviewed; Journal article, 2020)Statistical lifetime models for high-power IGBTs are developed based on results from power-cycling experiments, and relate lifetime expectancy to the well-defined conditions of a laboratory experiment. In most cases, ... -
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 ... -
Negative Sequence Control for Virtual Synchronous Machines Under Unbalanced Conditions
Avdiaj, Eros; D'Arco, Salvatore; Piegari, Luigi; Suul, Jon Are Wold (Peer reviewed; Journal article, 2022)In this paper, five strategies for controlling the negative sequence currents of a Virtual Synchronous Machine (VSM) under unbalanced conditions are comparatively assessed, considering both grid-connected and islanded ...