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Harmonic Sharing in Microgrid Applications - Modeling, Developing and Evaluating a Microgrid Control System With Harmonic Sharing Capability
(Master thesis, 2018)The world is critically dependent on a transition from fossil fuels to renewable energy. Microgrids represent a promising systematic approach to increasing the reliability of the power system and solving the challenge of ... -
Harmonic-Invariant Scaling Method for Power Electronic Converters in Power Hardware-in-the-Loop Test Beds
(Peer reviewed; Journal article, 2023)Power hardware-in-the-loop (PHIL) is an experimental technique that uses power amplifiers and real-time simulators for studying the dynamics of power electronic converters and electrical grids. Power hardware-in-the-loop ... -
Håndtering av endrede jordfeilegenskaper i 22kV distribusjonsnett - Med fokus på deteksjon og vern
(Master thesis, 2017)Jordfeilvern er en viktig del av distribusjonsnettet da jordfeil er den mest utbredte feilen på dette nettnivået. En jordfeil i distribusjonsnettet vil berøre sluttbrukerne i stor grad og i et stadig mer energikrevende ... -
Health Indexing of Norwegian Power Transformers
(Master thesis, 2015)In this thesis, a health index model for condition evaluation of power transformers is proposed. A health index is a tool that processes service and condition data into a score which describes the overall health of an ... -
Heat Generation by Heat Pump for LNG Plants
(Master thesis, 2011)Abstract The LNG production plant processing natural gas from the Snøhvit field outside Hammerfest in northern Norway utilizes heat and power produced locally with gas turbines. Building a new production train supplied ... -
Heavy-duty electric vehicle charging profile generation method for grid impact analysis
(Chapter, 2021)The transport sector is responsible for 20 % of the global CO 2 emissions. By transitioning from internal-combustion engine to battery-electric vehicles, there is a big potential in reducing the emissions. The upcoming ... -
Helping end-users help each other: Coordinating development and operation of distributed resources through local power markets and grid tariffs
(Peer reviewed; Journal article, 2020)There is an ongoing transition in the power system towards an increasing amount of flexible resources and generation technologies at the distribution system level. An appealing alternative to facilitate efficient utilization ... -
A Hierarchical Wind Power Plant Supervisory Controller
(SINTEF Rapport;, Research report, 2020) -
High Efficiency Electric Propulsion Systems for Shell Eco-Marathon 2014
(Master thesis, 2014)DNV GL Fuel Fighter is a team that have been participating in Shell Eco-Marathon (SEM) each year since 2008. The members vary for each year and are mainly NTNU students in their fourth or final year of their master s ... -
High frequency modeling of power transformers: Stresses and Diagnostics
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:30, Doctoral thesis, 2005)In this thesis a reliable, versatile and rigorous method for high frequency power transformer modeling is searched and established. The purpose is to apply this model to sensitivity analysis of FRA (Frequency Response ... -
High frequency wind energy conversion system for offshore DC collection grid — Part II: Efficiency improvements
(Journal article, 2016)This is the second part of a two-part paper dealing with a high frequency wind energy conversion system for series-connected DC wind turbines. In part I, the efficiency of the AC–AC converter and high frequency transformer ... -
High Gain DC-AC High-Frequency Link Inverter with Improved Quasi-Resonant Modulation
(Peer reviewed; Journal article, 2021)This paper presents a high gain pure sine-wave inverter based on the full-bridge DC-AC high-frequency (HF) link cycloconverter topology for telecom or general-purpose applications. The improved quasi-resonant modulation ... -
High precision scalable power converter for accelerator magnets
(Peer reviewed; Journal article, 2022)The lower conduction power losses and the positive temperature coefficient that favours parallel connections, make Silicon Carbide (SiC) metal oxide semiconductor field-effect transistors (MOSFETs) to be an excellent ... -
High voltage insulation design of coreless, planar PCB transformers for multi-MHz power supplies
(Peer reviewed; Journal article, 2021)This paper investigates the insulation design for printed, planar, coreless, and high-frequency transformers with high isolation-voltage. By using finite element analysis on 2D axial-symmetry, the transformer circuit ... -
High Voltage Subsea Connectors for Offshore Wind – Study of Interfaces
(Master thesis, 2023)Europakommisjonen har satt som mål å nå 450 GW med offshore vindparker innen 2050, og med det bli det første karbonnøytrale kontinentet. Det er nødvendig å utvikle teknologi for å redusere kostnaden av flytende vindparker ... -
High voltage wound-rotor induction machines - harmonic field effects and power quality issues
(Master thesis, 2015)The last few decades, harmonic content in the power system has increased dramatically, due to more complex power systems containing more power electronics and other nonlinear loads. The background for this work is a severe ... -
High-Power Electric Charging in the Norwegian Distribution Grid
(Master thesis, 2020)Norge har satt seg et mål om å redusere klimagassutslippene med 40% innen 2030. En betydelig bidragsyter for å nå dette målet er overgangen til elektrisk transport. Hensikten med denne oppgaven var å undersøke hvordan et ... -
High-Power Machines and Starter-Generator Topologies for More Electric Aircraft: A Technology Outlook
(Peer reviewed; Journal article, 2020)More electric aircraft (MEA) architectures consist of several subsystems, which must all comply with the settled safety requirements of aerospace applications. Thus, achieving reliability and fault-tolerance represents the ... -
High-Q whispering gallery mode germanium microresonators at 8 μm
(Journal article; Peer reviewed, 2022)