Blar i Institutt for elkraftteknikk på dokumenttype "Master thesis"
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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 1 kW PFC converter with GaN-transistors and planar magnetics
(Master thesis, 2019)Auka krafttettleik, kostnadsreduksjon, auka effektivitet og auka driftssikkerheit er fire av dei viktigaste målsetjingane i halvleiarindustrien i dag. Ved bruk av GaN-halvleiarar er fleire av desse målsetjingane innan ... -
A DC-Grid Proposal for Deep Sea Mining Focusing on Power Quality Aspects
(Master thesis, 2019)Over the last years, DC grids have become a significant trend topic as a solution for better power distribution systems reducing losses and increasing the efficiency significantly. The technology of HVDC transmission is a ... -
A Feasibility Study of Blockchain Technology As Local Energy Market Infrastructure
(Master thesis, 2018)The recent surge in renewable energy in the distribution grid could transform the generation side to be more variable, which potentially reduces power quality. This technical local challenge could be compensated by introducing ... -
A Method for bidding in sequential Capacity Reserve Markets using mixed-integer programming
(Master thesis, 2012)System security and power quality is important in today's society and the ability to regulate and balance production and consumption is crucial for any power system. More and more penetration of intermittent production in ... -
A Method for Planning a Fast Charging Station
(Master thesis, 2019)Denne masteroppgaven foreslår en ny planleggingsmetodikk for hurtigladestasjoner. Ny tenking når man skal planlegge nye, store laster i nettet vil være nødvendig for at framtidens distribusjonsnett skal være samfunnsøkonmisk ... -
A Scheme for Creating an Small-Signal On-line Dynamic Security Assessment Tool - Using PSS/E and PacDyn
(Master thesis, 2016)The trend in today's electrical power system is that consumption and power peaks are increasing, which will push the grid to its limits. The large deployment of new renewable energy connected to the grid has also shifted ... -
A Shorterm assessment of flexibility analyzing different levels of VRES deployment in a Unit Commitment model
(Master thesis, 2019)Flexibility has become an important property of the electric power systems and currently plays a crucial role in delivering efficient balancing to supply-demand operations. The rise of an environmental concern from governments ... -
A signal analysis toolbox for power system identification in Smart Grids
(Master thesis, 2018)This thesis delves into the two fields of signal analysis and small-signal stability of power systems. Due to the extensive deployment of PMUs in today s Smart Grid, new possibilities arise to assess the small-signal ... -
A Slim Wind Turbine Concept with Low Frequency AC Connection
(Master thesis, 2016)This thesis aims to investigate the feasibility of using a slim wind turbine concept together with a low frequency alternating current (LFAC) transmission system in an offshore wind farm system. By a slim wind turbine ... -
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 ... -
A stochastic optimization approach for pricing hydropower regulation capacity in electricity markets
(Master thesis, 2014)With the introduction of an increasing number of regulation markets,hydropower producers face multiple opportunities regarding how toutilize their water optimally. Such regulation markets can increaseprofits drastically ... -
A strategic investment model for multinational transmission expansion planning - Comparing competitive and centrally planned solutions for a North Sea Offshore Grid
(Master thesis, 2018)Proper transmission expansion planning (TEP) is important to create an efficient electricity market that provide both economic and environmental benefits. However, if the expansion planner do not consider how the market ... -
A Study of Deep Sea Mining Electrical Power System Topologies
(Master thesis, 2017)Deep sea mining (DSM) is an emerging technology. The ever-increasing world-wide need for minerals in growing markets and industries of developing countries has made DSM financially reasonable. As there are few known system ... -
A study on optimal utilization of electric heating for buildings
(Master thesis, 2020)Fra januar 2020 er oppvarming i bygninger basert på olje og gass ulovlig i Norge. I tillegg forventes det et strengere lovverk for bygninger fremover, for å kunne møte målene som er satt med tanke på reduksjon av CO2-utslipp. ... -
A Substation Level State Estimator for Local Data Processing - Algorithms for Power System Monitoring
(Master thesis, 2017)Modelling power systems with substation details in State Estimation (SE) has several advantages. An increased measurement redundancy is possible, because the measurements can be evaluated individually instead of being ... -
A Wide Area Load Shedding Scheme to Prevent Voltage Instability
(Master thesis, 2016)These days, power systems are operated close to their stability limit, and disturbances such as transmission line contingencies can cause the system to lose stability. If the system loses stability, countermeasures has to ... -
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 and DC systems interaction-opportunities and challenges of exchanging system services
(Master thesis, 2018)Today, the world is facing a situation where only having an energy source is not the final priority, but, also having a clean energy source is the final concern. Where clean energy generation is concerned, only renewable ...