Blar i Institutt for elkraftteknikk på emneord "MSELPOWER Master of Science in Electric Power Engineering"
Viser treff 1-20 av 89
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Ablation-Assisted Current Interruption in a Medium Voltage Load Break Switch: An Experimental Study with Polypropylene as Ablation Material
(Master thesis, 2014)Near an electric arc some polymers can change the properties of an arcing medium in a beneficial manner. Such polymers, known as ablation material, decompose and evaporate when exposed to heat from an electric arc. The ... -
AC Loss in MgB2 Superconductors: Calorimetric Loss Measurement
(Master thesis, 2012)Ever since the phenomenon of superconduction was discovered, and especially after the discovery of high-temperature superconductors (HTS) in the mid-80s, there has been high expectations to what could be achieved by this ... -
Active Control of Reactive Power in a Modern Electrical Rail Vehicle
(Master thesis, 2011)Modern electrical rail vehicles employ four-quadrant voltage source converters, which allow independent control of real and reactive power. This thesis focuses the control of reactive power at the vehicle regarding load ... -
Advanced Battery Diagnosis for Electric Vehicles
(Master thesis, 2008)Summary Literatures on battery technologies and diagnosis of its parameters were studied. The innovative battery technologies from basic knowledge to world standard testing procedures were analysed and discussed in the ... -
Analysis of IEEE Power System Stabilizer Models
(Master thesis, 2011)Student: Anders HammerSupervisor: Kjetil UhlenContact: Daniel MotaCollaboration with: Voith HydroProblem descriptionIEEE (Institute of Electrical and Electronics Engineers) presented in 2005 a new PSS structure named ... -
Application of AC Superconducting Windings in Large PM Synchronous Generators for Wind Power
(Master thesis, 2012)Superconductors are known for carrying very high current density without any loss of energy. This characteristic helps to achieve very high power capacity with compact size of machine. In application of superconductors, ... -
Balancing of Offshore Wind Power in Mid-Norway: Implementation of a load frequency control scheme for handling secondary control challenges caused by wind power
(Master thesis, 2009)In order to comply with governmentally announced greenhouse gas emission reductions goals and to consolidate an independent and stable electric power and energy supply, Norway must increase its installed renewable energy ... -
Beregning av generatorer ved modernisering av kraftverk
(Master thesis, 2010)Bakgrunnen for dette prosjektet er det økte behovet for rehabilitering og oppgradering av vannkraftgeneratorer både i Norge og i resten av Europa. Behovet er basert på den store usikkerheten med å fastslå gjenstående levetid ... -
Case study of offshore wind farm integration to offshore oil and gas platforms as an isolated system - System Topologies, Steady State and Dynamic Aspects
(Master thesis, 2011)The objective of this thesis work has been to investigate the electric system stability, reliability and power security of an off-grid isolated network system integration of an offshore wind farm to offshore oil and gas ... -
Comparison of Energy Efficiency Measures and Generation Options
(Master thesis, 2014)Security of energy supply is a key to social and economic development of society. Liberalization of power market has brought changes in the process of decision making regarding new investments in power system and certain ... -
Condition Assessment of Line Connectors by Current Pulse Measurements: Design and Testing of a LightweightCurrent Pulse Source Prototype
(Master thesis, 2014)This thesis presents and discusses the development, design and testing of a lightweight current pulse source prototype used for condition assessment of line connectors. The thesis is a continuation of a student project ... -
Condition Assessment of Wind Farm Medium Voltage Cable Joints
(Master thesis, 2012)Rapid aging and failure in wind-farm collector systems has become an issue for grid owners. PD measurements of the cable systems can give good diagnostics, detect aging and pinpoint faults. Different PD measuring techniques ... -
Control of a Variable Speed Drive with a Multilevel Inverter for subsea applications
(Master thesis, 2010)This work deals with analyses of the control for a subsea drive with multilevel inverter. The use of those drives have become the new trend for using of pumps/compressors at minor oil and gas reservoirs located far away ... -
Control of Multi-terminal VSC-HVDC Systems
(Master thesis, 2008)The North Sea has a vast amount of wind energy with largest energy per area densities located about 100-300Km of distance from shore. Should this energy be tapped by offshore wind farms, HVDC transmission would be the more ... -
Control of Voltage Source Converters for Power System Applications
(Master thesis, 2011)The research work is aimed on the investigation of possible modeling and control schemes for the dc-link of VSC, with the purpose of identifying the impact of such modeling and control on the dynamics of the conversion ... -
Control of VSC-HVDC for wind power
(Master thesis, 2008)With the recent developments in semiconductors and control equipment, Voltage Source Converter based High Voltage Direct Current (VSC-HVDC) has attracted the growing interest of researchers. The use of VSC technology and ... -
Converting an Induction Motor into a Permanent Magnet Synchronous Motor: - replacing the rotor in a used induction machine with a PM rotor
(Master thesis, 2011)Abstract In this article the possibility of exchanging the rotor of an IM with a high performance PM rotor to increase the motor s efficiency and PF is investigated. A standard industrial IM is used as a reference motor ... -
DC micro-grids
(Master thesis, 2014)The conventional electrical system in place today sees our electrical devices powered by AC mains. But as renewable technologies such as solar photovoltaic and wind power become more prevalent at a household level, DC ... -
Design of Fault Tolerant Power Converters
(Master thesis, 2011)Abstract In recent years, multilevel converters have seen an increasing popularity in medium and high voltage applications. Reliability and fault tolerant are some of the significant aspects of multilevel converters. The ... -
Developement of a digitally controlled low power single phase inverter for grid connected solar panel
(Master thesis, 2010)The work consists in developing a power conversion unit for solar panel connected to the grid. This unit will be a single phase inverter in the low power range (24/48 V - 100/200 W), with digital control and without a DC-DC ...