Browsing NTNU Open by Author "Suul, Jon Are Wold"
Now showing items 61-80 of 80
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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 ... -
State-space modelling and small-signal analysis of a hybrid ship AC distributed power system with a Virtual Synchronous Machine
Paulsen, Brede Severin (Master thesis, 2021)Den virtuelle synkronmaskinen er utviklet som en tilnærming for å gi fleksibel kontroll av omformere for energilagringssystemer koblet til kraftsystemer. Ved å etterligne driftstjenestene som en synkronmaskinen kan tilby, ... -
State-space modelling with steady-state time invariant representation of energy based controllers for modular multilevel converters
Freytes, Julian; Bergna-Diaz, Gilbert; Suul, Jon Are Wold; D'Arco, Salvatore; Saad, Hani; Guillaud, Xavier (Chapter, 2017)The average value model of the Modular Multilevel Converter (MMC) is in general non-linear with time periodic variables. Recent developments demonstrated how the MMC model can be transformed into a a Steady-State Time ... -
Static and dynamic eigenvalues in unified stability studies
Khodaparast, Jalal; Fosso, Olav B; Molinas Cabrera, Maria Marta; Suul, Jon Are Wold (Journal article; Peer reviewed, 2022)A framework for unified analysis of small-signal and large-signal power system stability based on static and dynamic eigenvalues is proposed in this paper. The presented implementation is based on Gear's method, which is ... -
Study of an Industrial Electrode Dryer of a Lithium-Ion Battery Manufacturing Plant: Dynamic Modelling
Oppegård, Emil; Jinasena, Asanthi; Strømman, Anders Hammer; Suul, Jon Are Wold; Burheim, Odne Stokke (Peer reviewed; Journal article, 2020)A dynamic model for lithium-ion battery (LIB) electrode manufacturing and drying is developed in this paper. The model is intended for analysis of different drying technologies, energy requirement calculations, and ... -
System-Wide Harmonic Mitigation in a Diesel Electric Ship by Model Predictive Control
Skjong, Espen; Suul, Jon Are Wold; Rygg, Atle; Johansen, Tor Arne; Molinas Cabrera, Maria Marta (Journal article; Peer reviewed, 2016)Email Print Request Permissions This paper proposes a system-oriented approach for mitigating harmonic distortions by utilizing a single Active Power Filter (APF) in an electrical grid with multiple buses. Common practice ... -
Time-Invariant State-Space model of an AC Cable by dq-representation of Frequency-Dependent π-sections
D'Arco, Salvatore; Suul, Jon Are Wold; Beerten, Jef (Chapter, 2019)This paper introduces an approach for frequency-dependent pi-section (FD- π) modelling of ac cables which enables a time-invariant state-space representation that accounts for the frequency-dependent cable characteristics. ... -
Transient Control of Dynamic Inductive EV Charging and Impact on Energy Efficiency when Passing a Roadside Coil Section
Guidi, Giuseppe; Suul, Jon Are Wold (Chapter, 2018)This paper discusses the transient control of a system for dynamic inductive power transfer to an electric vehicle when passing a road-side coil section. A series-series-compensated topology with minimum number of passive ... -
A Virtual Synchronous Machine-based Control for Eliminating DC-side Power Oscillations of Three-Phase VSCs under Unbalanced Grid Voltages
Avdiaj, Eros; Suul, Jon Are Wold; D'Arco, Salvatore; Piegari, Luigi (Chapter, 2021)This paper presents a Virtual Synchronous Machine (VSM)-based control method for avoiding dc-side power oscillations in grid connected voltage source converters (VSCs) when operating under under unbalanced conditions. The ... -
Virtual synchronous machine-based control of a single-phase bi-directional battery charger for providing vehicle-to-grid services
Suul, Jon Are Wold; D'Arco, Salvatore; Guidi, Giuseppe (Journal article; Peer reviewed, 2016)This paper presents a single-phase Virtual Synchronous Machine (VSM) and its possible application for providing Vehicle-to-Grid (V2G) services from domestic battery chargers of Electric Vehicles (EVs). In a VSM, the power ... -
Voltage Support in Distribution Grids by Model Predictive Control of the Grid Interface Converter for a Battery Energy Storage System
Wøllo, Vebjørn (Master thesis, 2023)Elektrifiseringen av dagens samfunn og den økte mengden av distribuert energiproduksjon har ført til økt press på strømnettet. Dette presset kan resultere i utfordringer knyttet til nettstabilitet, spenningskvalitet og ...