Browsing NTNU Open by Author "Suul, Jon Are Wold"
Now showing items 1-20 of 92
-
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 ... -
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 ... -
Analysis of MMC Dynamics in DQZ Coordinates for Vertical and Horizontal Energy Balancing Control
Bergna-Diaz, Gilbert; Freytes, Julian; Guillaud, Xavier; D'Arco, Salvatore; Suul, Jon Are Wold (Chapter, 2018)This paper presents a control system implementation in dqz-coordinates for equalizing the average energies stored in each arm of a Modular Multilevel Converter (MMC); a control objective that is typically referred to as ... -
Analysis of small-signal dynamics in a hybrid ship power system with a Virtual Synchronous Machine
Hofstad, Edvard Grimsmo (Master thesis, 2019)Et økende fokus på miljøpåvirkningen fra marine kraftsystemer som benytter seg av fossilt brensel har resultert i implementeringen av Utlippskontrollerte soner og et økende krav til nivåer av utslipp av forurensede gasser ... -
Analysis of small-signal dynamics in inductive power transfer systems
Kvakland, Jorunn (Master thesis, 2019)Dette er en masteroppgave om trådløs ladning av elbil, hvor den sentrale delen handler om hvordan kontrollere ladeprosessen. Denne oppgaven er et sluttprodukt av 5 år studie ved institutt for teknisk kybernetikk ved Norges ... -
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 ... -
Bisection Algorithm based Indirect Finite Control Set Model Predictive Control for Modular Multilevel Converters
Hamayoon, Saad; Hovd, Morten; Suul, Jon Are Wold (Chapter, 2021)In this work, an idea based on the bisection algorithm is used to reduce the computational burden of indirect finite control set model predictive control (FCS-MPC) for modular multilevel converters (MMCs). The proposed ... -
Classification and analysis of impact on small-signal dynamics and stability from expansion of VSC-HVDC systems to multi-terminal 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 ... -
Combination of Backstepping and Reduced Indirect FCS-MPC for Modular Multilevel Converters
Hamayoon, Saad; Hovd, Morten; Suul, Jon Are Wold (Chapter, 2021)In this paper, backstepping is applied as a first step of modulation control in the abc reference frame for modular multilevel converters (MMCs). In the second step, reduced indirect FCS-MPC is applied where the number of ... -
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 Eigenvalue Analysis of Synchronous Machine Emulations and Synchronous Machines
Unamuno, Eneko; Suul, Jon Are Wold; Molinas Cabrera, Maria Marta; Barrena, Jon Andoni (Chapter, 2019)This paper presents a comparative eigenvalue analysis of the stability characteristics and small signal dynamics of four different control strategies for Synchronous Machine Emulation (SME) by power electronic converters, ... -
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 ... -
Conditional Pulse Density Modulation for Inductive Power Transfer Systems
Zhou, Jiayu; Guidi, Giuseppe; Chen, Shuxin; Tang, Yi; Suul, Jon Are Wold (Peer reviewed; Journal article, 2023)This letter proposes a conditional pulse density modulation (PDM) method for Inductive Power Transfer (IPT) systems, which can automatically adapt the generated output patterns to effectively suppress current/power ripples. ... -
Conditions for maximum energy transfer in inductive road-powered electric vehicle applications taking system limitations into account
Guidi, Giuseppe; Suul, Jon Are Wold; Fujimoto, Hiroshi (Chapter, 2021)This paper deals with the problem of maximizing the energy transfer between infrastructure for inductive power transfer embedded in the road and a moving electric vehicle. The analysis is assuming a series-series compensated ... -
Continuous Control Set Model Predictive Control for Inductive Power Transfer System with Constant Voltage Load
Karami Hassan Abadi, Zeinab; Guidi, Giuseppe; Suul, Jon Are Wold (Chapter, 2023)This paper presents a continuous control set model predictive control (CCS-MPC) method for reducing oscillations in an inductive power transfer (IPT) charging system with constant voltage load (CVL). The proposed power ... -
Control of DC-capacitor peak voltage in reduced capacitance single-phase STATCOM
Isobe, Takanori; Zhang, Long; Tadano, Hiroshi; Suul, Jon Are Wold; Molinas Cabrera, Maria Marta (Chapter, 2016)This paper discusses the design and control of a single-phase STATCOM with reduced dc capacitance. It is first demonstrated how operation with reduced dc capacitance and large dc voltage oscillations can be possible without ... -
Control of power converters as Virtual Synchronous Machines for flexible system integration of single battery installation in a two-bus ship power system
Lunn, Håken Sivesindtajet (Master thesis, 2022)Prosjektet studerer kontroll av kraftelektronikkomformere for enkel batteriintegrasjon i AC-distribuerte fremdriftssystemer i skip ved hjelp av kontrollstrukturen kjent som "virtuell" synkronmaskin (VSM). Hovedformålet med ... -
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 ... -
Decentralized Energy Management Concept for Urban Charging Hubs with Multiple V2G Aggregators
Gümrükcü, Erdem; Klemets, Jonatan Ralf Axel; Suul, Jon Are Wold; Ponci, Ferdinanda; Monti, Antonello (Peer reviewed; Journal article, 2022)This work introduces a decentralized management concept for the urban charging hubs (UCHs) where electric vehicles (EVs) can access multiple charger clusters, each controlled by an aggregator. The given day ahead schedules ...