Blar i Institutt for elkraftteknikk på emneord "MSELPOWER Master of Science in Electric Power Engineering"
Viser treff 61-80 av 89
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Permanent Magnet Generator Design for offshore wind farms: Multi Pole Permanent Magnet Generator-PMG Machine Design for Gearless Offshore Wind Turbine Drives with multiple terminal interfaces
(Master thesis, 2010)The primary objective of this thesis is to investigate the design of the low speed direct driven multiphase PM generator for wind applications in which high voltage system is established by the use of a multilevel converter ... -
Power system for electric heating of pipelines
(Master thesis, 2008)Direct electrical heating (DEH) of pipelines is a flow assurance method that has proven to be a good and reliable solution for preventing the formation of hydrates and wax in multiphase flow lines. The technology is installed ... -
Pressure Tolerant Power Electronics
(Master thesis, 2009)The thermal behaviour of an IGBT module was investigated, especially with respect to the module being immersed in dielectric oil. An equivalent thermal model was built using thermal transients and network synthesis. The ... -
Probabilistic Reliability: A State of the Art Study
(Master thesis, 2009)Power system simulations, power market analysis as well as power system security and reliability analysis now serves as fundamental analysis tasks in power system planning and operation. Thus, it is very useful to discuss ... -
Reliability Assessment of Distribution Systems: -Including a case study on Wangdue Distribution System in Bhutan
(Master thesis, 2009)A stable and reliable electric power supply system is an inevitable pre-requisite for the technological and economic growth of any nation. Due to this, utilities must strive and ensure that the customer s reliability ... -
Rotary Frequency Converter for Long Step-out Subsea Applications
(Master thesis, 2012)Modern oil and gas field are in general discovered far from existing platforms or shore. Development of subsea processing systems are often a suitable alternative rather than platforms or floating vessels in an economical ... -
Sammenligning av styringsstrategier, og funksjonalitet med AMS i veglysanlegg
(Master thesis, 2012)Denne rapporten er et resultat av en masteroppgave våren 2012 ved NTNU omhandlende vurdering av styringsstrategier for veglys og tilleggsfunksjonalitet med AMS i veglysanlegg. Vegbelysning er et viktig tiltak for ... -
Seriefeilvern i elektriske installasjoner
(Master thesis, 2012)Seriefeil, dvs. overgangsmotstand i kontaktpunkter, har i lang tid vært en fremtredende brannårsak i norske bygninger, og er en av de hyppigste brannårsakene i elektriske anlegg. På grunn av begrensninger i tilgjengelige ... -
Silicon Carbide Technology for Grid Integrated Photovoltaic Applications: Dynamic Characterization of Silicon Carbide Transistors.
(Master thesis, 2011)For the endorsement of the study of potential utilization of the emerging silicon carbide (SiC) devices, three SiC active switches, namely SJEP120R063 (1200V, 63 mohm) SiC JFET manufactured by Semisouth, BT1206AC-P1 (1200V, ... -
Simulering av spenningskvalitet i kraftnett
(Master thesis, 2009)Spenningskvaliteten har fått et større fokus de siste tiårene, dette har stor sammenheng med utviklingen av mye nytt og følsomt utstyr som kobles til kraftnettet. Utstyr som ofte består av mye kraftelektronikk. Bruk av ... -
Smart Meters: Basic Elements in the Development of Smart Grids
(Master thesis, 2011)The necessity of a revolution in the electrical system is obvious, and smart meters will be the solution. The development of smart grids will be built over the new electronic measuring devices, which imply a challenge for ... -
Spenningskvalitet i distribusjonsnettet
(Master thesis, 2009)Forskrift om leveringskvalitet i kraftsystemet setter krav til spenningskvaliteten. For å kontrollere at spenningen er innenfor forskriftskravene er det viktig å utføre målinger på sentrale punkter i kraftnettet. Det er ... -
Stabilitetsanalyser ved integrasjon av småkraft i regional- og distribusjonsnettet.
(Master thesis, 2011)Forventninger om høyere kraftpris og et generelt økende effektbehov, i tillegg til økte muligheter for politisk aksept og tilskudd, gir økt interesse for å etablere nye fornybare produksjonskilder i Norge. Et gradvis økende ... -
Stability Investigation of an Advanced Electrical Rail Vehicle: Investigation of the Effect of Nonlinearity Introduced by a Switching Model of an Advanced Electrical Rail Vehicle on the General Performance and The Stability Limits
(Master thesis, 2009)Reducing grid harmonics and increasing grid stability are both major issues for the operation of rail vehicles. For stability investigation of complex power systems, simplified system models are in need in order to reduce ... -
Stability Studies of an Offshore Wind Farms Cluster Connected with VSC-HVDC Transmission to the NORDEL Grid
(Master thesis, 2009)Offshore wind power has proven to be a renewable energy source with a high potential, especially in the North Sea, where an important development is going on. The location of the wind farms tends to move far from the coast ... -
Stor revisjon av Kvittingen kraftverk: Teknisk-økonomisk analyse av rehabilitering og modifikasjon
(Master thesis, 2012)Kvittingen kraftverk har vært i drift siden 1984 og det er behov for en større revisjon. BKK Produksjon, eier av kraftverket, ønsker å bringe kraftverket til en slik tilstand at videre drift kan sikres, med normalt ... -
Subsea Permanent Magnet Motor with Damper winding
(Master thesis, 2014)Permanent Magnet (PM) machines can have difficulties dealing with unstable loads, which in worst case can make the machine to step-out of synchronous speed. This problem can be avoided by equipping the rotor with damper ... -
System Analysis of Large-Scale Wind Power Integration in North-Western Europe: A study on the impact of large-scale wind power expansion and on the impact of a North Sea offshore grid
(Master thesis, 2009)Problem description: The objective of this project was to create a simple model of the European power system and to investigate the effect an increasing amount of on- and offshore wind power will have on the North European ... -
Tank Losses in a Generator Step-Up Transformer
(Master thesis, 2011)The background for the project is the 320 MVA generator step-up transformer for Jostedal Power Plant. The transformer experiences excess heating in a limited part of the steel tank and lid from eddy current loss caused by ... -
Testing av superledende spoler
(Master thesis, 2009)Tradisjonelle induksjonsovner bruker vekselstrøm for å indusere strømmer og varme opp større aluminiumsdeler. Effektiviteten til ovnene ligger normalt mellom 55-60%, noe som gir et stort forbedringspotensial. Ved å erstatte ...