Blar i Institutt for elkraftteknikk på tittel
Viser treff 2411-2430 av 2430
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Wave-to-Wire Model of the Wave Energy Converter Bolt2: Control and Power Extraction with an All-Electric Power Take-Off System
(Master thesis, 2012)Fred Olsen is currently testing their latest wave energy converter outside of Falmouth Bay in England, preparing it for commercial exploitation at the Wavehub-project. Previous studies have shown that this device has ... -
Weather Models for Capturing Wind Related Failures in Probabilistic Reliability Analysis
(Master thesis, 2019)Forekomsten av ekstraordinære værfenomener som ekstremvær og store stormer øker på grunn av global oppvarming. Derfor er det hensiktsmessig å inkludere værdata til probabilistiske pålitelighets- analyse-metoder for elektriske ... -
Webløsning for kommunale klima- og energiplaner
(Master thesis, 2010)Potensialet for klimagassreduksjoner gjennom lokalt initierte tiltak er beregnet å være mellom 2,5 og 8 millioner tonn CO2-ekvivalenter innen 2020. Dette utgjør 15 til 50 % av Norges mål for innenlands utslippsreduksjon, ... -
Wet Gas Airfoil Analyses
(Master thesis, 2011)Subsea wet gas compression renders new possibilities for cost savings and enhanced gas recovery on existing gas wells. Technology like this opens to make traditional offshore processing plants redundant. With new technology, ... -
Wet Gas Compressor Surge Detection
(Master thesis, 2013)The development of wet gas compressors for installation subsea is key to increase the recovery of oil and gas from the Norwegian Continental Shelf. Safe operation of the compressor depends on understanding of how wet gas ... -
Whitehead memorial lecture: Challenging defects of high voltage insulation systems
(Peer reviewed; Journal article, 2020)The primary function of a high voltage insulation system is to prevent the flow of electric current between oppositely charged conductors, facilitate heat transportation and provide mechanical support throughout a long ... -
Wind farm voltage dip measurements
(Journal article; Peer reviewed, 2014)This paper is based on continuous measurements of voltages and currents from three wind farms for a period of 1 year, and the focus is on voltage dips. The purpose is to get an overview of the characteristics and rate of ... -
Wind in the North Sea.: Effects of offshore grid design on power system operation.
(Master thesis, 2011)In this thesis a method was developed to evaluate and compare various offshore grid topology and capacity choices. A small power system was created for the purpose of the study, including prototypes of offshore grids. To ... -
Wind Powered Water Injection Systems for Oil and Gas Applications
(Master thesis, 2016)The project is focused on the modelling and control of water injection systems (WIS) in oil and gas (O&G) facilities powered by wind turbines. The use of wind power for WIS has been presented by DNV-GL as an sustainable, ... -
Wind Turbine in Yawed Operation
(Master thesis, 2011)The task of this project was to investigate the near wake, performance characteristics and yaw moment on a model wind turbine. The test turbine is a horizontal axis three bladed machine with a rotor diameter of 0.9 meter. ... -
Wind turbine wake meandering
(Master thesis, 2013)In this master thesis the meandering of the wake of a three bladed horizontal axis model wind turbine has been studied. Measurements have been conducted by the use of four hot-wire probes located at multiple nearby points ... -
Winding and Testing of Superconducting Coils
(Master thesis, 2015)Superconducting rotor windings are considered for future large offshore wind turbines for their low weight, volume and their possibility to reduce costs. In a joint European project, INNWIND.EU, a superconducting small ... -
Wireless Control of Active Gate Drivers for Silicon Carbide power MOSFETs
(Peer reviewed; Journal article, 2023)Active Gate Drivers (AGDs) enhance controllability and monitoring of switching devices, especially for fast switching Silicon Carbide (SiC) power Metal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs). To support ... -
With a Little Help from Your Friends: Collaboration with Vendors During Smart Grid Incident Response Exercises
(Chapter, 2021)The introduction of Information and Communications Technology (ICT) into conventional power grids has resulted in a digitalized smart grid, enabling a more efficient and robust operation. However, it can also lead to ... -
Wound Rotor Induction Machine - Laboratory Measurements of Stator Current Harmonics and Harmonic Propagation in the Distribution Grid Causing Power Quality Problem
(Master thesis, 2017)A great deal of parameters effects the power system quality and harmonics is one of them. The origin of this thesis is a quality issue experienced by a customer in Norway, where troublesome flicker in the light equipment ... -
An XAI approach for COVID-19 detection using transfer learning with X-ray images
(Peer reviewed; Journal article, 2023)The coronavirus disease (COVID-19) has continued to cause severe challenges during this unprecedented time, affecting every part of daily life in terms of health, economics, and social development. There is an increasing ... -
ZEN Case Study. End User Flexibility Potential in the Service Sector
(ZEN Report;, Research report, 2020)The electricity grid is designed to handle peaks in electricity consumption and is usually dimensioned to handle peak loads at the coldest hours of the year. Over the years to come, investment plans in the Norwegian ... -
Zero Emission Neighbourhoods in the European Energy System
(ZEN Report;, Research report, 2021)Utviklingen av energisystemet drives av politiske ambisjoner for å dempe klimaendringene. Disse ambisjonene impliserer at energirelaterte klimagassutslipp må reduseres dramatisk i løpet av de neste tiårene. I tillegg til ... -
Zero energy at the neighbourhood scale: Regulatory challenges regarding billing practices in Norway
(Journal article; Peer reviewed, 2019)Buildings are becoming an increasingly active part of the power system due to the ongoing deployment of decentralized energy resources. To reap the added value that may be realized by zero emission neighbourhoods, it is ... -
Økt forsyningssikkerhet i Sør-Odal kommune
(Bachelor thesis, 2021)