Browsing Institutt for elkraftteknikk by Title
Now showing items 1646-1665 of 2571
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Off-core magnetic flux paths in power transformers. Modeling and applications
(Doctoral theses at NTNU;2020:140, Doctoral thesis, 2020)Zero sequence (ZS) characteristics of transformers are of great importance in some circumstances including unbalanced and DC biased operations. Any unbalanced condition in the voltage supplying a transformer or in the load ... -
Off-grid energy system for Wawashang, East Nicaragua: analysis of the energy potential and design of a micro hydropower installation
(Master thesis, 2013)The Wawashang Complex on the East Coast of Nicaragua is a typical example of remote rural area that can benefit from off-grid renewable energy solutions. In this Complex, the non-profit organization FADCANIC supports the ... -
Off-Grid Microgrid Design Consideration for Rural Electrification
(Master thesis, 2023)Denne masteroppgaven har gjort betydelige fremskritt i arbeidet med elektrifisering av rurale områder, spesielt med fokus på design og implementering av mikronett. Hovedbidraget er utviklingen av et allsidig Python-basert ... -
Offshore HVDC og Hybrid Transmisjonsnett
(Bachelor thesis, 2024)Denne oppgaven har utforsket utfordringer knyttet til lovverk, drift, vedlikehold og beredskap ved et offshore hybrid HVDC-anlegg for Statnett SF. Oppgaven undersøker også hvordan anlegget bidrar til å møte FNs bærekraftsmål. Det ... -
Offshore HVDC og Hybrid Transmisjonsnett
(Bachelor thesis, 2024)Denne oppgaven har utforsket utfordringer knyttet til lovverk, drift, vedlikehold og beredskap ved et offshore hybrid HVDC-anlegg for Statnett SF. Oppgaven undersøker også hvordan anlegget bidrar til å møte FNs bærekraftsmål. Det ... -
Offshore Power Transmission: Submarine high voltage transmission alternatives
(Master thesis, 2009)Offshore power transmission is becoming an increasingly important issue. To moderate climate change, world leaders have set environmental goals that will be very difficult to reach without renewable power production and ... -
Offshore vindkraft - Tekniske og økonomiske vurderinger for utbygging og tilkobling.
(Master thesis, 2008)Det er behov for kraftutbygging i Norge på grunn av økende forbruk og tørrårsproblematikk. Ny kraftproduksjon basert på andre ressurser og økt overføringskapasitet til utlandet kan bedre forsyningssikkerheten og stabilisere ... -
Offshore Wind Farm Layouts: Performance Comparison for a 540 MW Offshore Wind Farm
(Master thesis, 2009)This master thesis has been written at the Department of Electric Power Engineering at the Norwegian University of Science and Technology. The work has been carried out at the Royal Institute of Technology in Stockholm, ... -
Offshore wind farm site selection in Norway: Using a fuzzy trigonometric weighted assessment model
(Peer reviewed; Journal article, 2024)Maximising the energy potential of offshore wind farms requires an in-depth assessment of technological, economic, sociopolitical, and environmental aspects. Given the large economic impact of large-scale projects, a robust ... -
Offshore Wind Farms and Isolated Oil and Gas Platforms: Perspectives and Possibilities
(Chapter, 2022)Single-cycle gas turbines operating at low-efficiency ranges due to redundancy concerns in offshore oil and gas platforms are responsible for considerable amounts of nitrogen oxides and greenhouse gas emissions in some ... -
Offshore Wind in Conjunction with an Offshore Oil and Gas Platform - Wind Power with Energy Storage in Synergy with Traditional Gas Turbine Generation.
(Master thesis, 2017)This thesis is part of the topic of wind power in combination with an oil and gas platform, and focuses on the interaction of an offshore wind farm, an energy storage system, and traditional offshore platform power generation ... -
Offshore Wind Power in the North Sea: Grid Integration of 1000 MW Offshore Wind Power into the Norwegian Power System
(Master thesis, 2008)Norway has great potential for offshore wind power, but the depths just outside the coast probably make floating wind turbines necessary. In order to use today s technology for offshore wind turbines with foundations on ... -
Offshore-Grid
(Master thesis, 2011)This thesis has been conducted in cooperation with the Norwegian transmission system operator, Statnett, and their research on two new interconnectors linking Norway to England and Germany. The work presented in this thesis ... -
Oil/ Paper Insulation for HVDC: Conductivity of Oil
(Master thesis, 2011)The work begins with a theoretical description of conductivity and the importance of this material property in the electrical power industry. The various theories describing high voltage conduction in highly insulating ... -
Ombygging av 230 V IT-installasjoner til 230/400 V TN-installasjoner
(Master thesis, 2017)På grunn av forventede endringer i bruksmønster og behov er det fra norske myndigheters side et ønske om å tilpasse seg den europeiske modellen for utforming av lavspenningsnett. I Norge i dag er størstedelen av ... -
Områdeanalyse av 22kV distribusjonsnett fra Rybakken transformatorstasjon med et 20 års perspektiv
(Bachelor thesis, 2021)Denne oppgaven ser på fremtidig utvikling i distribusjonsnettet som i dag er forsynt av Rybakken transformatorstasjon. Den introduserer det norske kraftnettet, med spesielt fokus på 22kV distribusjonsnettet i interesseområdet. ... -
On Adaptive Moving Average Algorithms for the Application of the Conservative Power Theory in Systems with Variable Frequency
(Journal article; Peer reviewed, 2021)The Conservative Power Theory (CPT) emerged in recent decades as a theoretical framework for coping with harmonically distorted and unbalanced electric networks of ac power systems with a high participation of converter ... -
On Dynamic Characterization Evaluation and Control of Active Gate Drivers for SiC power MOSFETs
(Doctoral theses at NTNU;2023:388, Doctoral thesis, 2023)Silicon Carbide (SiC) powerMetal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs) bear the potential of revolutionizing power electronic converters in regard to high efficiency, but also high power density converters ... -
On estimation and identifiability issues of sex-linked inheritance with a case study of pigmentation in Swiss barn owl (Tyto alba)
(Journal article; Peer reviewed, 2014)Genetic evaluation using animal models or pedigree-based models generally assume only autosomal inheritance. Bayesian animal models provide a flexible framework for genetic evaluation, and we show how the model readily can ... -
On Modern IGBT Modules: Characterization, Reliability and Failure Mechanisms
(Master thesis, 2010)The increased demand of offshore power conversion systems is driven by newly initiated offshore projects for wind farms and oil production. Because of long distances to shore and inaccessibility of the equipment long repair ...