Blar i Institutt for elkraftteknikk på tittel
Viser treff 1529-1548 av 2415
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Novel donation sharing mechanisms under smart energy cyber-physical-social system and DLT to contend the energy poverty problem
(Peer reviewed; Journal article, 2021)The objective of this study is to introduce a new use case under smart energy cyber-physical-social system (CPSS) that brings together the competence of distributed ledger technology (DLT) and essence of peer-to-peer local ... -
A Novel Health Monitoring System for Synchronous Generators using Magnetic Signatures
(Doctoral theses at NTNU;2022:297, Doctoral thesis, 2022)The Ph.D. research work presented in this thesis deals with the health monitoring of synchronous generators utilized in hydropower plants. Although various methods are available for fault detection in synchronous generators, ... -
Nozzle Wear and Pressure Rise in Heating Volume of Self-blast Type Ultra-high Pressure Nitrogen Arc
(Journal article; Peer reviewed, 2019)This paper reports on experiments with ultra-high pressure nitrogen arcs in a self-blast type switch design. The effect of filling pressure on nozzle mass loss and pressure-rise in the heating volume is investigated. An ... -
NTNU-SINTEF SolarNet: A solar irradiation monitoring network at high latitudes
(Peer reviewed; Journal article, 2023)This study presents a monitoring network for solar irradiation at high latitudes, called NTNU-SINTEF SolarNet. The network collects, with a time resolution ranging from seconds to hours, solar irradiance data, e.g. global ... -
Numerical Analysis of Condensation and Frost in Rotary Heat Exchangers
(Master thesis, 2014)In this thesis, a three-dimensional mathematical model is developed and implemented using COMSOL Multiphysics - a platform for physics-based modeling and simulation. The numerical model solves a conjugated heat transfer ... -
Numerisk simulering av strømning omkring anisotrope partikler
(Master thesis, 2013)I denne studien er uniform strømning og lineær skjærstrømning omkring partikler ved lave Reynoldstall simulert ved hjelp av den åpne programvaren OpenFOAM. Fra resultatene framkommer det at ved uniform strømning avtar ... -
Ny HVDC-kapasitet og vindkraft i Sør-Norge
(Master thesis, 2009)Sammendrag Det er flere nye likestrømsforbindelser under planlegging mellom Norge / NordEl og det kontinentale Europa / UCTE. Foruten NorGer-prosjektet har også Statnett SF om en ny forbindelse fra Kristiansand til Danmark. ... -
Nytt reversibelt pumpekraftverk ved Vassli
(Bachelor thesis, 2020)Energiforbruket i Europa er i stadig økning, samtidig som det jobbes mot at fornybar energi skal erstatte fossile energikilder. Ifølge analyser av kraftmarkedet utført av Norges vassdrags- og energidirektorat og Statnett ... -
Nytteverdi og lønnsomhet ved bruk av sensorer og fjernstyring for raskere feillokalisering i distribusjonsnett
(Master thesis, 2013)Det er i denne oppgaven utført pålitelighetsanalyser på høyspennings distribusjonsnett. Analysene er utført på tre fiktive nett, representative for distribusjonsnettet til Hafslund Nett, i pålitelighetsprogrammet NetBas ... -
Nytteverdi og potensialer for Smart Grid teknologi
(Master thesis, 2011)Det er i denne oppgaven blitt gjort beskrivelser og vurderinger av funksjonalitet av aktuell sensorteknologi og dennes innvirkning på leveringspåliteligheten i høyspenningsfordelingsnett. Det er også etablert metodikk og ... -
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 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 ...