Browsing Fakultet for informasjonsteknologi og elektroteknikk (IE) by Subject "SIE5 energi og miljø"
Now showing items 1-20 of 120
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2D Finite Element (FE) modeling and simulation of the stator winding of synchronous machines in adjustable degree of detailing
(Master thesis, 2007)The General Purpose 2D Electromagnetic Tool, GP2DET, at Voith Siemens Hydro Power Generation GmbH is a tool developed for simulation and calculation of electrical parameters in large hydro power machines. In this tool, the ... -
30 kW Power Boost System for Drive Trains for Electric Vehicles Based on Supercapacitor Technologies
(Master thesis, 2007)The goal of the master thesis is to design, dimension and construct a power boost system for the drive trains in electric vehicles, utilizing supercapacitor technology. In order to build the system a supercapacitor bank ... -
A Solution for Low Voltage Ride Through of Induction Generators in Wind Farms using Magnetic Energy Recovery Switch
(Master thesis, 2009)Induction generators constitute 30 percent of today’s installed wind power. They are very sensitive to grid voltage disturbances and need retrofitting to enhance their low voltage ride through (LVRT) capability. LVRT of ... -
AC losses in MgB2 superconductors
(Master thesis, 2007)This Master thesis studies losses in superconductors. Losses arise when the superconductor carries alternating current or is placed in an alternating magnetic field. As most power applications involve at least one of the ... -
Air reversing CO2 heat pumps
(Master thesis, 2010)CO2 is an environmentally friendly refrigerant that has a no global warming potential when used as refrigerant. The current refrigerants used for air conditioning in public transport are chemical components, and have a ... -
An investigation on gridconnectable single phase photovoltaic inverters
(Master thesis, 2010)Several inverter topologies for use with power conditioning of photovoltaic modules were investigated with both national and international requirements in mind, as well as also practical challenges and the ability to be ... -
Automation of Testing of Polymer HVDC Cables using Controlled Rapid Voltage Surges.
(Master thesis, 2007)This report aims to describe the work done in order to develop a solution for automation of failure detection and performance of rapid voltage surges. The automated system was developed with basis in the experimental circuit ... -
Balance costs for windpower
(Master thesis, 2009)Wind power scheduling is subject to high forecast uncertainty compared to the dominant Norwegian energy source, hydro power. The regulating market, also known as the balance market, is a market solution for optimal operation ... -
Balancing Costs for Wind Power
(Master thesis, 2007)Nordel is the organisation for the Nordel synchronous system, held by the Nordic Transmission System Operators. In their work to harmonise the Nordic electricity markets they have agreed upon harmonising the Nordic balance ... -
Beredskap i regionalnett: En risikobasert tilnærming til lagerhold
(Master thesis, 2008)Det er i denne rapporten utviklet en metodikk for å kartlegge beredskapsbehov for reservekomponenter og utstyr spesielt tilpasset regionale kraftnett. Metoden er anvendt i praksis ved en analyse utført på regionalnettet ... -
Bidding Wind Power on the Day-Ahead Market by Minimizing the Imbalance Costs.
(Master thesis, 2007)For wind power to participate in the short-term power market, forecasts up to 36 hours ahead of the hour of operation are required. These forecasts are never perfect, and the resulting wind power mismatch implies imbalance ... -
Bruksområde for data registrert i MV/LV nettstasjon for drift av distribusjonsnettet
(Master thesis, 2010)De siste årene har Innføring av avanserte måle- og styringssystem (AMS) for alle sluttbrukere i Norge blitt utredet. Ut i fra signaler fra myndighetshold, er det ventet at det vil komme et krav om fullskala innføring (1). ... -
Børsteslitasje i vannkraftgeneratorer
(Master thesis, 2007)Diplomoppgaven er en gjennomgang av laboratorieundersøkelser foretatt i løpet av første halvår 2007 knyttet til børsteslitasje i vannkraftgeneratorer. Det er varierende hvorvidt børsteslitasje oppleves som et problem i ... -
Chemical Looping Combustion Cold Flow Model commissioning and performance evaluation
(Master thesis, 2010)SINTEF and NTNU are planning to build a 150 kWth Chemical Looping Combustion (CLC) reactor system. This is new technology and the CLC reactor system is going to be one of the largest of its kind in the world. The technology ... -
Configuration of large offshore wind farms
(Master thesis, 2009)This master thesis is written at the Department of Electric Power Engineering at the Norwegian University of Science and Technology. The work has been carried out at NTNU in Trondheim. The thesis deals with configuration ... -
Control of a Linear Tubular Permanent Magnet Motor
(Master thesis, 2010)In this thesis a linear permanent magnet motor has been examined. The motor is designed by Resonator AS is a prototype. The motor is designed for usage in offshore drilling where maintenance demands are high. This linear ... -
Control of Power Electronic Converters in Distributed Power Generation Systems: Evaluation of Current Control Structures for Voltage Source Converters operating under Weak Grid Conditions
(Master thesis, 2010)The performance of different current controller structures for Voltage Source Converters (VSC) under weak grid conditions caused by large grid impedance is investigated. The VSC is synchronized to the grid by a Phase Locked ... -
Control of Wave Energy Converter with constrained electric Power Take Off
(Master thesis, 2011)Because of ocean waves' high energy density and substantial, global technical potential wave energy might become a significant contributor to supply the world's increasing energy demand. The nature of ocean waves is strongly ... -
Decision support from monitoring of hydro power stations: An approach to the vision of monitoring systems giving decision support in operation of hydro power stations
(Master thesis, 2009)This report is the results of the work on a master thesis concerning intelligent monitoring of hydro power stations. In the report two different types of computer software is investigated to find out whether they are ... -
Design and testing of Flux Switched Permanent Magnet (FSPM) Machines
(Master thesis, 2009)This thesis offers a short overview of the most important stator mounted permanent magnet machines, with a closer look on the FSPM design. A FSPM machine have been built and tested as a generator, to get a better understanding ...