Blar i Institutt for elkraftteknikk på tittel
Viser treff 2218-2237 av 2419
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The Mode Mixing Problem and its Influence in the Neural Activity Reconstruction
(Journal article; Peer reviewed, 2019)This paper presents and discusses the challenge of mode mixing when using the Empirical Mode Decomposition (EMD) to identify intrinsic modes from EEG signals used for neural activity reconstruction. The standard version ... -
The need for Inertia in the Nordic Power System
(Master thesis, 2015)The Nordic power system is changing towards an increasing share of new renewable power sources. Conventional power sources contribute with a large amount of kinetic energy in the system due to their synchronously connected ... -
The Nordic Transparency Model for Analysis
(Master thesis, 2021)Det nordiske elektriske kraftsystemet er som alle andre kraftsystemer i konstant utvikling, med økende kompleksitet. Samtidig som systemets topologier og krav til driftsikkerhet er dynamiske og økende, er dagens metoder ... -
The Performance and Potential for PV systems at Northern Latitudes
(Master thesis, 2015)What is the performance and potential for PV systems at northern latitudes, is the research question for this thesis. In order to answer this a literature review have been done and a case study of, and visit to, a 236 kWp ... -
The Potential for Fuel Cells to Provide Electricity and Heat Supply in Norwegian Buildings
(Master thesis, 2021)Norge blir ofte betegnet som Europas grønne batteri på grunn av den massive mengden vannkraft som finnes rundt i det fjellstrakte landskapet, likevel finnes det et stort potensiale for å kutte karbonfotavtrykket i flere ... -
The Regulatory Framework for Market Transparency in Future Power Systems under the Web-of-Cells Concept
(Journal article; Peer reviewed, 2019)This paper investigates the regulatory rules of market transparency which could be applied within the wholesale electricity market and market for frequency and voltage control in the Web-of-Cells (WoC) decentralized power ... -
Theory of symmetric winding distributions and a general method for winding MMF harmonic analysis
(Peer reviewed; Journal article, 2021)One of the main challenges in motor design is the winding layout, including winding distributions and magnetomotive force (MMF) harmonic analysis. Considering some shortcomings in the existing theories for winding distributions ... -
Thermal Analysis of ModHVDC Generator using Thermally Conductive Electrically Insulating Materials for Improved Heat Transfer
(Master thesis, 2023)Etablering av utaskjærs vindturbin parker presenterer seg som en mulig løsning til å forsyne trengt fornybar energi og samtidig bidra til det grønne skiftet. Bruk av høyspent DC mellom utaskjærs og land installasjoner er ... -
Thermal comfort with simplified heat distribution systems in highly insulated buildings
(Master thesis, 2014)The increasing energy consumption and its consequences have led to a major need for energy saving measures. Therefore, the passive house concept has been introduced. Passive houses have a low heating demand, so that it is ... -
Thermal Equilibrium and Wet Gas Compressor Performance
(Master thesis, 2011)The wet gas performance model established for this master s thesis is based on results achieved from a single stage, low pressure ratio, centrifugal compressor set up at NTNU. Water droplets are injected to the flow right ... -
Thermal interruption performance of ultrahigh-pressure free-burning nitrogen arc
(Chapter, 2020)In this paper, an experimental investigation of the thermal interruption performance of free-burning nitrogen arcs at 1 bar, 20 bar, and 40 bar filling pressures is reported. This work contributes to the fundamental ... -
Thermal Mapping of the Hydrogenerator’s Reactive Power Boosting Ability at Various Time Windows
(Chapter, 2023)In the future, bulk power generation facilities like large hydropower plants need to be utilized more flexibly and provide extended services over shorter time intervals. This work presents a comprehensive thermal mapping ... -
Thermal Modelling of Permanent Magnent Machines Using double layer winding - Strategies for cooling of PM motors in ship propulsion pods
(Master thesis, 2016)The trend to carry out thermal analysis of Electric Motor is increasing day by day so as to improve the performance of the machines. This paper deals with the thermal analysis of Electric Motors and their cooling solutions, ... -
Three dimensional Finite Element Modeling of a Brushless Doubly-fed Induction Machine
(Master thesis, 2016)As we move deeper into offshore waters to harness more of wind energy there is a need to keep the total operational and maintenance costs to a minimum, of which expenditures related to the generators form a major share. ... -
Three-Dimensional Representation of Electrical Circuit Quantities
(Peer reviewed; Journal article, 2020)This letter proposes a new representation of electrical circuit quantities based on three-phase dimensional space, in contrast to the conventional two-dimensional representation. It contributes to an alternative mathematical ... -
Three/Four-leg Inverter Current Control Based on Generalized Symmetrical Components
(Chapter, 2018)Considering a scenario of high penetration of voltage source inverters in distribution grids, on which the number of conductors is variable, this paper proposes a current control approach for three- or four-leg inverters ... -
Tidsdomene dielektrisk respons for tilstandskontroll av statorviklinger fra driftsaldret vannkraftgenerator
(Master thesis, 2022)Flertallet av generatorer i norske vannkraftverk har allerede passert forventet levetid. For å undersøke om generatorene fortsatt kan benyttes etter endt forventet levetid, kan de analyseres og diagnostiseres. Feilene som ... -
Tilknytning av Haram Vindpark til nettet: Dynamiske og harmoniske analyser
(Master thesis, 2011)I denne rapporten ble det gjort en nettanalyse av nettilknytningen av Haram Vindpark til 132 kV samleskinnen på Alvestad . Det ble gjort dynamiske og harmoniske analyser på kraftsystemet til TAFJORD. Arbeidet er en ... -
Tilstandskontoll av mellomspenning kabelsystem til vindpark
(Master thesis, 2013)En stor andel av distribusjonsnettene verden over har allerede passert sin tekniske levetid, og med inntoget av distribuert generering (DG) med vindkraft, er det registrert flere feil enn ved tradisjonelt forbruk. Her er ... -
Tilstandskontroll av mellomspennings kabelskjøt: Undersøkelse av frekvensavhengighet til partielle utladninger
(Master thesis, 2014)Siden testmetodene for PD-målinger som gjøres i felt, utføres ved forskjellige frekvenser, er det av stor interesse for eieren av kabelsystemet å vite hvordan målingene skal tolkes, dersom resultatene er både frekvens- og ...