Blar i NTNU Open på forfatter "Suul, Jon Are Wold"
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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 ... -
Minimizing Converter Requirements of Inductive Power Transfer Systems With Constant Voltage Load and Variable Coupling Conditions
Guidi, Giuseppe; Suul, Jon Are Wold (Journal article; Peer reviewed, 2016)This paper proposes a combined design and control method for inductive power transfer systems that eliminates the need for overrating the converters in applications where the coupling conditions vary significantly during ... -
Model Predictive Control of a Variable Speed Diesel Generator Interfaced to an AC Ship Power System as a Virtual Synchronous Machine
Jenssen, Magnus; Suul, Jon Are Wold (Chapter, 2021)This paper presents an adaptive implementation of model predictive control (MPC) for a variable speed diesel generator operated as a back-up energy source in an ac ship power system. The variable-speed operation is based ... -
Modeling and Analysis of SOGI-PLL/FLL-based Synchronization Units: Stability Impacts of Different Frequency-feedback Paths
Zhang, Chen; Føyen, Sjur; Suul, Jon Are Wold; Molinas, Marta Maria Cabrera (Peer reviewed; Journal article, 2020)— Second-order Generalized Integrator (SOGI)-based quadrature-signal-generator (QSG) together with either a phaselocked-loop (PLL) or a frequency-locked-loop (FLL) constitute two types of typical synchronization units ... -
A Multi-Layer Framework for Reliability Assessment of Shore-to-Ship Fast Charging System Design
Karimi, Siamak; Zadeh, Mehdi; Suul, Jon Are Wold (Peer reviewed; Journal article, 2021)In this paper, a multi-layer framework is proposed to assess the reliability of Shore-to-Ship Charging (S2SC) systems, considering the potential for failures of the main elements, such as power converters and batteries. ... -
A multi‐layer framework for energy efficiency assessment of shore‐to‐ship fast charging systems including onshore batteries
Karimi, Siamak; Zadeh, Mehdi; Suul, Jon Are Wold (Peer reviewed; Journal article, 2022)This paper proposes a three-layer framework for energy efficiency evaluation of Shore-to-Ship Charging (S2SC) systems using load-dependent loss models of the components. The considered S2SC system is supplied by the grid ... -
Non-Linear Model Predictive Control for Modular Multilevel Converters
Hamayoon, Saad; Hovd, Morten; Suul, Jon Are Wold (Chapter, 2022)In this paper, non-linear model predictive control (NMPC) without an explicit modulator is applied to modular multilevel converters (MMCs) in the abc reference frame. NMPC can easily be extended for longer prediction ... -
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 ... -
Operation-based Reliability Assessment of Shore-to-Ship Charging Systems Including On-Shore Batteries
Karimi, Siamak; Zadeh, Mehdi; Suul, Jon Are Wold (Journal article; Peer reviewed, 2023)In this paper, an operation-based reliability assessment framework is proposed for Shore-to-Ship Charging (S2SC) systems including On-Shore Batteries (OSB). The OSB is considered to support the grid under fast charging ... -
Optimal Compensation of Harmonic Propagation in a Multi-Bus Microgrid
Skjong, Espen; Suul, Jon Are Wold; Molinas Cabrera, Maria Marta; Johansen, Tor Arne (Journal article; Peer reviewed, 2016-05)This paper discusses how an Active Power Filter (APF) can be utilized for system-wide harmonic mitigation in a microgrid with multiple sources of harmonic distortion located at different buses. A two-bus microgrid system ... -
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 ... -
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 ...