Blar i Institutt for elkraftteknikk på tittel
Viser treff 2281-2300 av 2500
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The effect of DC superimposed AC Voltage on Partial Discharges in Dielectric Bounded Cavities
(Chapter, 2014)Voltage source converters is used in HVDC stations in offshore HVDC transmission systems, between the AC and DC power grid. The AC ripple voltage on the DC side of the HVDC stations can be in the range of 1-10 % of the ... -
The Future of Fuel Cell Technology in Maritime Applications
(Master thesis, 2020)Fra den industrielle revolusjonen til oljealderen har menneskeheten skapt enorme fremskritt innen produksjon, teknologi og livskvalitet. Dessverre har fremgangen kommet på bekostning av miljøet; og behovet er større enn ... -
The Impact of dividing Sweden into four Bidding Areas
(Master thesis, 2011)In February 2010 extreme power prices occurred in the Nordic power market. The main reason was low availability at Swedish nuclear power plants, high loads due to low temperatures and large reductions in available transmission ... -
The impact of electrification on power system in Northern Europe
(Journal article; Peer reviewed, 2017)Electrification is widely considered as a viable strategy for reducing the negative environmental impacts of the energy system. Following this strategy, most attention has been paid to electrification of road transportation, ... -
The impact of grid tariffs based on demand charges
(Master thesis, 2018)In recent years, there has been an increase in power consumption for the consumers in the distribution grid. The consequence of this, combined with the consumers being inelastic, has forced the distribution system operators ... -
The Impact of Hydrogen Production on the Offshore Wind Business Case
(Master thesis, 2021)The European Union recently decided to increase its climate ambition for 2030 and aims to reach climate neutrality by 2050. Achieving a climate neutral economy involves a vast expansion of European offshore wind and will ... -
The Impact of Offshore Wind Power Variations on Continuous-time Scheduling of a Hydrothermal System
(Master thesis, 2020)Som en del av klimapolitikken, forventes et betydelig omfang av offshore vindkraft å bli integrert i det nordeuropeiske kraftsystemet de kommende årene. Den varierende og i stor grad uforutsigbare kraftproduksjonen fra ... -
The impact of outages on the profitability of HVDC-cables between the Nordic area and the continent using the EMPS model
(Master thesis, 2015)This master thesis investigates sudden HVDC-cable exchange limitations between thermal-based and hydro dominated areas from a market perspective. Thermal-based areas are based on fossil-fired units in combination with large ... -
The impact of policy actions and future energy prices on the cost-optimal development of the energy system in Norway and Sweden
(Journal article; Peer reviewed, 2017)This paper studies the effects of policy actions on the energy systems in Norway and Sweden, including a nuclear shutdown, a cancelation of restricted hydropower and an expansion of export capacity to Europe. This study ... -
The impact of protection system failures and weather exposure on power system reliability
(Chapter, 2019)Extreme weather is known to cause failure bunching in the electrical transmission system. However, protection systems can also contribute to the worsening of the system state through spontaneous, missing or unwanted operation ... -
The impact of protection systems on power system reliability
(SINTEF Energi. Rapport;, Research report, 2014)This report is a collection of memos written to describe the methodology for quantifying the impact of protection systems on power system reliability. Including the effect of protection system response scenarios on a ... -
The impact of time-frequency estimation methods on the performance of wave energy converters under passive and reactive control
(Journal article; Peer reviewed, 2018)A number of wave energy controllers tune the power take-off (PTO) system to the frequency of incident waves. Since real ocean waves are non-stationary by nature and not defined by a single frequency component, the PTO can ... -
The impact of Zero Energy Buildings on the Scandinavian energy system
(Journal article; Peer reviewed, 2017)This paper investigates how an extensive implementation of net Zero Energy Buildings (ZEBs) affects cost-optimal investments in the Scandinavian energy system towards 2050. Analyses are done by a stochastic TIMES model ... -
The Influence of Local Energy Tariffs on a Norwegian Local Market
(Master thesis, 2020)Overgangen til et fornybart forbrukssentrisk energisystem forventes å øke strømforbruket i Norge. En økning i distribuert generasjon av fornybare energikilder er et forventet resultat av denne overgangen. En hurtig økning ... -
The insulation of HVDC extruded cable system joints. Part 1: Review of materials, design and testing procedures
(Journal article; Peer reviewed, 2019)This position paper by the DEIS HVDC Cable Systems Technical Committee provides a review of existing diagnostic electrical and dielectric techniques for testing the insulation of polymeric extruded HVDC cable joints in the ... -
The insulation of HVDC extruded cable system joints. Part 2: Proposal of a new AC voltage PD measurement protocol for quality control during routine tests
(Journal article; Peer reviewed, 2019)The review of materials, design and testing of joints for HVDC extruded cable systems provided in previous Part 1 paved the way to this Part 2 position paper by the DEIS HVDC Cable Systems Technical Committee, whose aim ... -
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 ...