Blar i Institutt for elkraftteknikk på emneord "Energi og miljø, Elektrisk energiteknikk"
Viser treff 1-20 av 21
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Analysis of Large Scale Integration of Electric Vehicles in Nord-Trøndelag
(Master thesis, 2013)In recent years, the shift in attitude towards climate and CO2 emissions has accelerated the sale of electric and hybrid electric vehicles in Norway. Predictions indicate that Norway may surpass 200,000 chargeable vehicles ... -
Betre utnytting av distribusjonstransformatorane til Hafslund Nett gjennom tilstandsovervaking og teknisk-økonomiske analyser
(Master thesis, 2015)Hovudmålet for masteroppgåva var å sjå på tiltak for å betre utnyttinga av distribusjonstransformatorane til Hafslund Nett. Ved innføringa av avanserte måle- og styringssystem (AMS) skal nytt kommunikasjonsutstyr ... -
Control of Six-Phase Machines
(Master thesis, 2010)The purpose of the work presented in this report was to continue the study of a six phase dual winding IPMSM with split dc-link conducted in [1]. The setup has been proposed as a means to improve the power ratings of ... -
Design of Large PM-Generators for Wind Power Applications
(Master thesis, 2011)This report describes generator design for wind power applications. It explains a modern design procedure which uses both analytical and numerical analysis. The numerical analysis uses finite element analysis and in this ... -
Development Tools for the Xilinx Zynq-7000 SoC - Design of a Development Framework and System Interaction Method for Embedded Systems on the Zynq-7000 SoC
(Master thesis, 2016)The evolution of processing system hardware provides powerful and versatile implementation platforms for system engineers such as the Xilinx Zynq-7000 SoC. Due to this new capable hardware, advanced and more demanding ... -
Energy storage, and design of tractive system for EV application
(Master thesis, 2014)The efficiency and specific power of electrical motors have for decades been superior to the combustion motors. With the arrival of modern permanent magnet motors the advantage of electrical propulsion for vehicles now ... -
Experimental Set-up for partial discharge detection
(Master thesis, 2015)Offshore HVDC overføringssystemer bruker omformerstasjoner mellom AC- og DC-kraftnettet. Likespenning fra omformerstasjonene vil inneholde transienter. Disse ligger i området 1 til 10 \% av den nominelle likespenningen, ... -
High Efficiency Electric Propulsion Systems for Shell Eco-Marathon 2014
(Master thesis, 2014)DNV GL Fuel Fighter is a team that have been participating in Shell Eco-Marathon (SEM) each year since 2008. The members vary for each year and are mainly NTNU students in their fourth or final year of their master s ... -
Long Step out Umbilicals for Oil and Gas Subsea Pump or Compressor Application - Starting of Permanent Magnet Machine
(Master thesis, 2012)Topside Variable Speed Drive (VSD) feeding a subsea load via a long cable is not a new technological challenge and many features in systems feeding asynchronous machines are well known. For a synchronous machine the situation ... -
Modeling, simulation and implementation of Multi-phase Induction Motor Drives.
(Master thesis, 2011)The results obtained in the simulations and the actual results that are observed on the SPIM drive for the DSFCC strategy are in agreement. The operations of the control strategies during the extreme conditions were tested ... -
Monitoring of load torque variations by using an Electrical Drive with Direct Torque Control
(Master thesis, 2011)This work analyses the accuracy of the estimated mechanical speed and electromagnetic torque in a Direct Torque Controlled (DTC) induction motor drive with no speed measurement. A literature study has been performed in ... -
Power Cycle Testing of Press-Pack IGBT Chips
(Master thesis, 2014)In this thesis the power cycling capability of individual press-pack IGBT chips is investigated. Press-pack is a packaging technology used for power semiconductors. For press-packs, both thermal and electrical contact to ... -
Power Electronics Converter for use in Direct Electrical Heating Application
(Master thesis, 2012)Direct Electrical Heating (DEH) is a flow assurance method in subsea pipelines operating at high pressure and low temperatures and has gained ground throughout the last decade. DEH systems in operation are based on passive ... -
Predictive Control applied to Power Electronics Conversion Systems - From Simulation to Implementation
(Master thesis, 2015)Model predictive control has been a topic of research for approximately three decades, and is considered one of the most important advances in process control. In this project, a model to simulate predictive control applied ... -
Ressurskartlegging av vindkraftlokasjoner
(Master thesis, 2007)Formålet med denne masteroppgaven er å dokumentere arbeidsoppgaver som gjennomføres under ressurskartleggingsprosessen for et potensielt vindparkområde. Det er lagt spesiell stor vekt på problemstillinger som reiser seg ... -
Selvhelende distribusjonsnett ved bruk av feilindikatorer og fjernstyring
(Master thesis, 2018)I denne masteroppgaven er det beskrevet forklaringer av funksjonaliteten til fjernstyrte brytere og fjernavleste feilindikatorer, og hvordan implementering av nevnte komponenter påvirker leveringspåliteligheten i ... -
Simulation, design and implementation of permanent magnet motor drive
(Master thesis, 2015)Abstract This study presents the design of a Permanent Magnet Synchronous Motor (PMSM) and its drive system. In order to design the drive, an extensive literature study on PMSM drive systems was carried out. The principles ... -
Space Charge Distribution in Layered XLPE Cable Insulation under HVDC Stress Conditions
(Master thesis, 2015)In order to connect offshore installations with maximum effectiveness, high voltage direct current cables are essential. Because of the many benefits of extruded polymer insulation, such as low price and ease of manufacture, ... -
Synthetic Inertia from Wind Farms - Impacts on Rotor Angle Stability in Existing Synchronous Generators
(Master thesis, 2014)As the share of wind power in the power system rises, synchronous generators in traditional power plants are taken out of the grid and replaced by a large number of wind turbines. Most modern wind turbines utilize a power ... -
Tilsyn av stasjonsanlegg i regional- og sentralnettet
(Master thesis, 2015)Direktoratet for Samfunnssikkerhet og Beredskap, DSB, har i lengre tid arbeidet for at netteier skal kartlegge og utbedre jordingsforholdene i distribusjonsnettet. DSB har i senere tid økt fokuset på regional- og sentralnettet ...