Blar i tittel Mastergradsoppgaver i elektroteknologi

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    • Modeling and analysis of power system oscillations using real-time simulator. 

      Sandberg, Andreas (Master thesis; Mastergradsoppgave, 2022-05-16)
      In this thesis a version of the Kundur two-area model has been developed for Simulink and real time simulator software and hardware from OPAL-RT. This model should be used for testing the rotor angle oscillations load variations create. A review of the different control elements found in basic power systems has been reviewed and implemented. The main component that will be manipulated in the model ...

    • Modeling and Analyzing of Inverters for Controlling Voltage and Frequency in an Islanded Microgrid 

      Khan, Mazhar Ali (Master thesis; Mastergradsoppgave, 2021-05-18)
      Recently, the growth of inverter-based generations (IBGs) like solar photovoltaic (PV) and wind turbine generators in the form of microgrids (MGs) has been increasing. However, control of voltage and frequency becomes a challenging task for MGs especially when they operate in an islanded mode, due to the inherent low-inertia feature of IBGs compared to a grid-tied mode where there is a grid support. ...

    • Modeling and Simulation of Heat Transfer in Blocks with Thin Pipes 

      Karlsen, Renate (Master thesis; Mastergradsoppgave, 2017-06-13)
      "The report presents modified Stokes equations and natural convection-diffusion equations that are needed to implement a system which uses natural convection to transport energy from one area to another. The thesis also includes results from a numerical simulations that used these equations as arguments."

    • Modelling and analysis of long cables on the generator side of generator transformers 

      Jørgensen, Kjetil N. (Master thesis; Mastergradsoppgave, 2023-05-22)
      Denne oppgaven presenterer en studie om modellering og analyse av lengre kraftkabler på generatorsiden av en enhetstransformator i et generisk kraftsystem. Studien fokuserer på det teoretiske rammeverket som er nødvendig for å forstå problemet. De teoretiske delene inkluderer grunnleggende elektriske sannheter og deres effekter på hovedkomponentene i et kraftsystem. Den gjenværende teorien ...

    • Modular Design of Integrated Duct Fan Quadrotor Structure 

      Rones, Andre; Hoff, Sven Ole (Master thesis; Mastergradsoppgave, 2017-06-15)
      This thesis will continue the work done by Sethuram Balakrishnan in his master thesis “Duct fanned shielding design for quadrotors”. It includes studies of integrating Balakrishnan’s solution to the outer structure of the DJI Flame Wheel F450 Quadrotor in order to save weight. A report with preliminary work will cover investigation of existing solutions and technology, setting design requirements ...

    • Motion capturing machine learning. Bluetooth motion sensors 

      Gangenes, Elisabeth Razafimandimby (Master thesis; Mastergradsoppgave, 2016-04-06)
      Good and efficient care for our elderly is a major concern in our ever aging popu- lation. The elderly’s greatest fear is falling to the ground, not being able to get up or get help. Use of Bluetooth motion sensors and appropriate agents can help alert for in the event of a person falling. In this master thesis an experimental sensor rig has been created together with an android application which ...

    • Multisensor video magnification 

      Shrestha, Dinesh (Master thesis; Mastergradsoppgave, 2017-06-13)
      This study was performed with the three main goals. The first of which includes the implementation of “Eulerian Video Magnification” for the normal videos to observe the subtle changes that cannot be seen through the naked eyes. The second goal was to implement interpolation on thermal infrared videos. Finally, the third goal is to combine both the videos to amplify complex variations to reveal ...

    • Optimal bruk av reaktive ressurser 

      Arnesen, Jan Tore (Master thesis; Mastergradsoppgave, 2021-05-18)
      God kontroll av reaktiv effekt er en helt nødvendig del av et velfungerende kraftsystem. Reaktiv effekt er funksjon av spenning og lastvinkel, men er i størst grad påvirket av spenningen under normale forhold. Det finnes mange forskjellige reaktive ressurser i kraftsystemet, og de har forskjellige egenskaper og karakteristikker. Statiske reaktive ressurser er kondensatorbatterier, reaktorer og ...

    • Optimal routing and charging procedures for electric buses 

      Masliakova, Kseniia (Master thesis; Mastergradsoppgave, 2016-04-06)
      The goal of the project is to use Ant Colony Optimization techniques with Genetic Algorithm to design and analyse routes and recharging schedules for electric buses. One system so-called “en route” charging was analysed where the bus applies a kind of pantograph at bus stops to recharge the bus batteries. This implies more frequent, but short recharging intervals. The program offers diff t variants ...

    • Optimal Volt Var control in Smart Distribution Networks 

      Shamraiz, Shamraiz (Master thesis; Mastergradsoppgave, 2021-05-24)
      Both the generation and transmission power networks are facing new threats and opportunities as the number of distributed energy resources (DERs) grows. Because of the high solar PV penetration, voltage rise and voltage volatility are becoming major problems in the distribution network. Voltage regulating devices (VRDs), such as on load tap changers (OLTCs), phase voltage regulators (SVRs), and ...

    • Optimization of industrial power grid of Narvik 

      Khan, Md Nafis Ul Hoq (Master thesis; Mastergradsoppgave, 2023-05-22)
      The objective of this study is to review a comprehensive plan for optimization framework for the industrial power grid. Few factors considered such as power generation, transmission, distribution, energy storage solutions, cost development. The aim targets an overview of planning and optimization for a hydrogen production plant in Narvik region. It will improve the overall efficiency, stability, ...

    • Optimization of the mass of a sandwich plate that TAM is producing 

      Jensen, Bjarne Steinulv (Master thesis; Mastergradsoppgave, 2017-06-15)
      In this report the possibility to optimize the mass of a sandwich plate that TAM produces have been reviewed. Dimensions of the plate is 2602mm x 2404mm with a core thickness of 40mm, top facing of 3mm and bottom facing of 1mm. To simplify the computations they calculate with uniform facings of 1mm. The function of the sandwich plate is to lift livestock with wires that are fastened in the four ...

    • Parabolic reflector for focusing of underwater acoustic waves 

      Rasmussen, Helene Liebak; Flø, Julianne Tjervåg (Master thesis; Mastergradsoppgave, 2017-06-15)
      Kongsberg Maritime has produced a transponder placed on the seabed designed for receiving and transmitting sound waves from vessels and ROVs. The soundwaves contain data regarding depth and location, and can be transformed to energy thus increasing the transponder battery lifetime. The transponder can only receive a small amount of energy, since its receiving area is small. This project aims to ...

    • Prestasjonsoppfølging av elektriske brytere via datahøsting og analyse av plattformdata 

      Solrød, Andreas (Master thesis; Mastergradsoppgave, 2023-05-21)
      This thesis is a study of data material extracted from log files belonging to the oil and gas installation Norne. The data is put into a system, analyzed, and assessed how it can be used to drive performance monitoring of electrical switches. The thesis presents theory related to the task about ignition source, tag, maintenance and time determinations, the systems SAS and SMS on which the logs are ...

    • A proxy for reliable 5G (and beyond) mmWave communications. Contributions to multi-path scheduling for a reliability focused mmWave proxy 

      Tofah, Dzifa Korbla Wisdom (Master thesis; Mastergradsoppgave, 2022-05-16)
      Reliable, consistent and very high data rate mobile communication will become especially important for future services such as, among other things, future emergency communication needs. MmWave technology provides the needed capacity, however, lacks the reliability due to the abrupt capacity changes any one path experiences. Intelligently making use of varying numbers of available mmWave paths, ...

    • Rammeverk for modellering og simulering av husholdningsapparater 

      Nilsen, Christian Bjerknes (Master thesis; Mastergradsoppgave, 2018-08-16)
      Denne oppgaven har hatt til hensikt å utarbeide et rammeverk for modellering og simulering av husholdningsapparater i Simulink, hvor det er muligheter for sammenkobling av flere enheter basert på typiske utstyr i norske husholdninger. Tilkoblingen av modellene kan være via TN-nett, IT-nett eller andre mindre kilder i Simulink. Videre er det gjennomført en litteraturstudie av ulike typer utstyr ...

    • Re- design of a multipurpose snowmobile sled for Norwegian volunteer (SAR organizations) 

      Johansen, Kari Wilhelmsen (Master thesis; Mastergradsoppgave, 2017-06-15)
      "This master thesis is written for Norwegian volunteer organization “Hjelpekorpset” that is a search and rescue organization. The organization performs different kinds of activities in addition to rescue missions. During wintertime, they transport materials, furniture and other cargo to local huts to raise funds for the organization. This is the basis for the thesis, where the aim was to redesign a ...

    • Reliable parameter identification for synchronous machines 

      Alves, Erick Fernando (Master thesis; Mastergradsoppgave, 2018-08-16)
      This work investigates and implements algorithms for reliable parameter identification for salient pole synchronous machines that can be used for condition monitoring, on line assessment of the power grid, and adaptive control. All these applications are steps necessary to enable a smarter power grid, in which seamless integrated digital technology provides state estimation, fault detection, and ...

    • Roach Infestation Optimization MPPT Algorithm of PV Systems for Adaptive to Fast-Changing Irradiation and Partial Shading Conditions 

      Ntiakoh, Nicholas Kakra (Master thesis; Mastergradsoppgave, 2021-05-18)
      Of all the renewable energy sources, solar photovoltaic (PV) power is considered to be a popular source owing to several advantages such as its free availability, absence of rotating parts, integration to building such as roof tops and less maintenance cost. The nonlinear current–voltage (I–V) characteristics and power generated from a PV array primarily depends on solar insolation/irradiation and ...

    • Seasonal storage of energy at UiT the arctic university of Norway in Narvik 

      Alfnes, Dennis (Master thesis; Mastergradsoppgave, 2023-05-22)
      The thesis examines which energy production methods are suitable together with seasonal storage of energy at UiT the arctic university of Norway in Narvik. Nordkraft has provided the subject which has been examined. The location of UiT Narvik together with its areas and storage volumes have been examined for what power production methods and energy storage methods are suitable for this location. ...