Blar i NTNU Open på forfatter "Suul, Jon Are Wold"
-
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 ... -
Optimal Shaping of the MMC Circulating Currents for Preventing AC-side Power Oscillations from Propagating into HVDC Grids
Bergna-Diaz, Gilbert; Suul, Jon Are Wold; Berne, Erik; Vannier, Jean-Claude; Molinas Cabrera, Maria Marta (Journal article; Peer reviewed, 2019)A constrained optimization problem based on the Lagrange multipliers method is formulated to derive the circulating current references of Modular Multilevel Converters (MMC) directly in abc coordinates. The resulting ... -
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 ... -
Parametric Stability Assessment of Single-Phase Grid-Tied VSCs Using Peak and Average DC Voltage Control
Chen, Zhang; Isobe, Takanori; Suul, Jon Are Wold; Dragicevic, Tomislav; Molinas Cabrera, Maria Marta (Journal article; Peer reviewed, 2021)A type of peak-value dc voltage control (denoted as PK control) was proposed in the literature for supporting the use of a smaller dc-side capacitance when the single-phase voltage source converter is operated as a static ... -
Passivity-based Screening to Identify Critical Nodes for Converter Interoperability in Power System
Smith, Andrew Macmillan; D'Arco, Salvatore; Holdyk, Andrzej Miroslaw; Suul, Jon Are Wold (Chapter, 2024)The foundation for a passivity-based screening method is introduced with the objective of narrowing the scope of interaction studies for converter interoperability assessment to only those locations where stability issues ... -
Phase Angle Feed-Forward Control for Improving the Power Reference Tracking of Virtual Synchronous Machines
D'Arco, Salvatore; Suul, Jon Are Wold (Peer reviewed; Journal article, 2023)A method for improving the power reference tracking capability of Virtual Synchronous Machines (VSM) by phase angle feed-forward (PAFF) control is proposed in this paper. The presented implementation includes compensation ... -
Placement of virtual inertia from HVDC terminals based on a frequency deviation index
Garcia Rosa, Paula Bastos; D'Arco, Salvatore; Suul, Jon Are Wold (Chapter, 2021)This paper presents an approach for assessing the most suitable locations to provide virtual inertia by HVDC converters. A frequency deviation index quantifying the maximum distance in Hz from each bus in the power system ... -
Polynomial Fitting of Operating Point Dependency in Small-Signal State-Space Models for Power Electronic Converters
Reis, Lisa; Smith, Andrew MacMillan; D'Arco, Salvatore; Suul, Jon Are Wold (Chapter, 2023)This paper presents an approach for representing nonlinear operating point dependencies in small-signal state-space modelling of power electronic converters. The intended application is for unifying a set of small-signal ... -
Position Control and Locking of Permanent Magnet Synchronous Motor for Propeller Drives in Drones
Jenssen, Emil (Master thesis, 2022)De siste årene har etterspørselen etter posisjoneringsløsninger for propelldrift i droner økt i industrien, med to velkjente motorapplikasjoner, fremdriftsmotorer og vertikal take-off og landings motorer. Hensikten med ... -
Position Locking for Permanent Magnet Synchronous Machine Propeller Drives in Drones by Hall-Effect Sensor-Assisted Nonlinear Observer
Jenssen, Emil; Gryte, Kristoffer; Suul, Jon Are Wold (Chapter, 2022)The paper presents a hall-effect sensor-assisted non-linear observer-based solution for position locking of a surface-mounted permanent magnet synchronous motor (SMPMSM) propeller drive in drone applications. The purpose ... -
Reliability Analysis of Shore-to-Ship Fast Charging Systems
Karimi, Siamak; Zadeh, Mehdi; Suul, Jon Are Wold; Thieme, Christoph Alexander (Chapter, 2021)This paper presents a reliability assessment of Shore-to-Ship Sharging (S2SC) systems with focus on the two most common topologies of ac and dc charging. In the proposed reliability model, the Markov chain and reliability ... -
Resynchronization of Islanded Virtual Synchronous Machines by Cascaded Phase and Frequency Controllers Acting on the Internal Power Reference
Giudicepietro, Francesco; D'Arco, Salvatore; Suul, Jon Are Wold; Piegari, Luigi (Chapter, 2020)Virtual Synchronous Machines (VSMs) have the capability to operate in grid connected or in islanded mode in the same way as synchronous machines. Furthermore, VSMs can inherently support seamless transition from grid ... -
Shore Charging for Plug-In Battery-Powered Ships: Power System Architecture, infrastructure, and Control
Karimi, Siamak; Zadeh, Mehdi; Suul, Jon Are Wold (Peer reviewed; Journal article, 2020)This article reviews the available systems for shore-to-ship high-power charging, including recent technologies, control methods, and related challenges. The battery charging path from shore to the onboard battery involves ... -
Shore-to-Ship Charging Systems for Battery-Electric Ships: Power System Architecture, Performance Analysis, and Future Trends
Karimi, Siamak (Doctoral theses at NTNU;2022:400, Doctoral thesis, 2022) -
Small-signal model analysis of droop-controlled modular multilevel converters with circulating current suppressing controller
Freytes, Julian; Bergna Diaz, Gilbert; Suul, Jon Are Wold; D'Arco, Salvatore; Saad, Hani; Guillaud, Xavier (Chapter, 2017)This paper presents a small signal eigenvalue analysis applied to a droop-controlled HVDC terminal based on the Modular Multilevel Converter (MMC) topology. The applied linearised model is derived from previous modelling ... -
Small-signal modeling and parametric sensitivity of a virtual synchronous machine in islanded operation
D'Arco, Salvatore; Suul, Jon Are Wold; Fosso, Olav B (Peer reviewed; Journal article, 2015)The concept of Virtual Synchronous Machines (VSMs) is emerging as a flexible approach for controlling power electronic converters in grid-connected as well as in stand-alone or microgrid applications. Several VSM implementations ... -
Small-Signal State-Space Analysis of Inductive Battery Charging System in Off-Resonant Operation
Torsgård, Ernst; Guidi, Giuseppe; Suul, Jon Are Wold (Chapter, 2019)This paper analyses the small-signal dynamics of a series-series compensated inductive charging system with a passive diode rectifier interfaced directly to a battery on the receiving side. The analyzed system is designed ... -
Stability Analysis of a Virtual Synchronous Machine-based HVDC Link by Gear's Method
Khodaparast Ghadikolaei, Jalal; Fosso, Olav B; Molinas Cabrera, Maria Marta; Suul, Jon Are Wold (Chapter, 2020)Declining equivalent inertia caused by the massive integration of converter-based technologies can increase the risk of stability problems in the future power system. Control of HVDC systems as Virtual Synchronous Machines ...