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norskMastergradsoppgaver i elektroteknologi
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Real-time application of grid-forming converters in smart distribution network
(Master thesis; Mastergradsoppgave, 2023-05-21)As the world faces the urgent need to reduce greenhouse gas emissions and combat climate change, renewable sources of energy have emerged as a viable solution. However, integrating renewable energy into existing power grids poses unique challenges. The availability of solar power depends on sunlight, wind power on wind speed, and this variability can cause instability and fluctuations in the grid, ... -
Robust visual inertial odometry for agile flight sensor fusion
(Master thesis; Mastergradsoppgave, 2024-07-05)This thesis presents the development and validation of a robust Visual-Inertial Odometry (VIO) system tailored for agile unmanned aerial vehicles (UAVs) operating in GPS-denied environments. These environments often challenge traditional navigation systems due to their inherent limitations in urban canyons, indoors, or densely forested areas. The study introduces a novel visual odometry (VO) algorithm ... -
Electric Load Forecasting of Residential Building
(Master thesis; Mastergradsoppgave, 2024-05-15)As global energy consumption continues to rise relevant energy sectors and communities must accurately forecast future electricity needs. This foresight is critical for effective planning, preserving the stability of the electricity grid, and avoiding blackouts. Accurate forecasting methodologies are critical in guiding decision-making processes correlated to resource allocation, infrastructure ... -
Virtual inertia to the AC Microgrid to improving the ROCOF and frequency Nadir in a Hybrid AC/DC Microgrid.
(Master thesis; Mastergradsoppgave, 2024-05-15)To move the global energy away from fossil fuels towards renewable energy leads toward a more complex grid, after experiencing a reduction of inertia when integrating large renewable energy sources (RES). With an increased pace of RES penetration into the grid and along a growing demand of electrical power, the challenge to maintain the system frequency as close as possible to the nominal range ... -
Solar Angle Optimizer
(Master thesis; Mastergradsoppgave, 2024-05-15)This thesis deals with the subject of a two axis rotatable solar panel rig where the design for the electrical components are proposed and the controller code from previous theses are further developed. The rig is to be used for research by UiT Narvik and the prerequisites for the installation of the rig are designed in this thesis. The electrical components for the rig proposed are an H-bridge, ... -
Electric snowmobile.
(Master thesis; Mastergradsoppgave, 2024-05-15)The main purpose of the project is to convert the snowmobile to electric and make it operational, which rule out focus on factors as ex. driving range, user interface for performance adjustment, heating for comfort, etc. For mounting the electric motor a suitable and feasible location and motor bracket to easy access the existing gearbox axel, and also in position to a cooling airflow through the ... -
Impact on Distribution Network Hosting Capacity using Machine Learning Based Reactive Power Support from PV Smart Inverters
(Master thesis; Mastergradsoppgave, 2024-05-15)Nowadays, due to growth of advanced technology and its impact on people lives, there is an increasing need for aligning and optimizing infrastructure with people needs. Harnessing renewable energy from different sources, store and eventually transmit and distributed it is an all-time challenge which nowadays by implementing and proper maintenance we lead to having higher efficiency to the point where ... -
Wide Area Control and Improvement of Dynamical State of Power System
(Master thesis; Mastergradsoppgave, 2024-05-15)Some approaches to achieving full observability and controllability in power systems are explored in this thesis. The core structure of this work consists of observability and controllability, focusing on two key phases of optimization and control. In the first phase, system observability is addressed through optimal placement of Phasor Measurement Units (PMUs). The Connectivity Matrix Algorithm ... -
Trajectory Tracking with Collision Avoidance for Large Vessel Draft Surveys
(Master thesis; Mastergradsoppgave, 2024-05-15)This thesis explores the innovative use of unmanned aerial vehicles to conduct draft surveys of large maritime vessels. This process is critical for determining vessel load through water displacement measurements. At the port of Narvik, a crew typically performs this task manually, where LKAB’s iron ore cargo vessels are surveyed while docked. The usual method requires going around the ship in ... -
DC-DC Converter For Fuel Cell (Control Strategy, Voltage Curve, Optimization, Converter Type). Current-fed Full-bridge Isolated DC-DC Converter With An Active Clamp Circuit For Fuel Cell Application
(Master thesis; Mastergradsoppgave, 2022-05-15)This thesis investigates one of the most favorable converters for integrating fuel cells into a DC microgrid. A current-fed full-bridge isolated DC-DC converter has advantages such as high voltage conversion ratio, low switches’ losses, and low input current ripple which make it one of the best choices for Fuel cells (FC). This converter transfer power to the load through the leakage inductance which ... -
Current source Inverter for fuel cell Application
(Master thesis; Mastergradsoppgave, 2023-08-14)In recent years, the scientific renaissance has turned towards alternative energy. Scientific research and dissertations of all degrees, doctoral, Master, and even bachelor's degrees include. Green energy and alternative solution to protect the environment from increasing pollution. Different inverters have been used to increase the potential for power resulting from devices that do not have the ... -
Investigation of ballast water conditions using remote sensing. Suspended Particulate Matter Characterization in Emden Sea Port
(Master thesis; Mastergradsoppgave, 2023-05-22)This thesis investigates the use of remote sensing techniques to study the conditions of ballast water in the northwestern port of Emden, Germany. Sentinel-2 data of the seaport has been collected and used in order to retrieve the suspended particulate matter (SPM), evaluating its distribution and checking for any time or spatial periodicity over the past 5 years. The aim of the study is to provide ... -
Optimization of industrial power grid of Narvik
(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, ... -
Energy Conversion and Control of Hydrogen Fuel Cell Based Electric Transport
(Master thesis; Mastergradsoppgave, 2023-05-22)The research investigates the effective utilization of hydrogen fuel cells in electric transport applications, addressing the challenges associated with power generation, energy storage, and control. By implementing the MPPT Perturb and Observe (P&O) technique, the thesis aims to optimize the power output of the fuel cell system, ensuring maximum efficiency and performance. To enhance the overall ... -
Solar angle optimizer
(Master thesis; Mastergradsoppgave, 2023-05-22)The demand for renewable energy sources has increased significantly in recent years due to the growing concerns about climate change and environmental sustainability. Solar energy has emerged as one of the most promising and widely used renewable energy sources. However, the efficiency and output of solar energy systems depend on various factors, including the position of the sun, the angle ... -
Designing and Implementation of grid-connected separately excited DC Machine
(Master thesis; Mastergradsoppgave, 2023-05-22)This thesis presents the design and implementation of SEDC machine which was located at machine laboratory in UiT Narvik campus. To improve the efficiency and to have automatic control, the old passive control needs to be replaced with DC-DC converters based active control method. This thesis explores various DC-DC and grid connected converter with the goal to find a suitable and most efficient for ... -
Current source inverter
(Master thesis; Mastergradsoppgave, 2023-05-22)ABSTRACT The growth of the world’s population leads to increased energy needs. The use of fossil energy leads to challenges. The main reason for this is that the use of fossil fuels has a negative impact on global climate change, and the world is heading towards running out of fossil fuels in a few years. Renewable energy sources like photovoltaic and wind power plants are good solutions for those ... -
Prestasjonsoppfølging av elektriske brytere via datahøsting og analyse av plattformdata
(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 ... -
Seasonal storage of energy at UiT the arctic university of Norway in Narvik
(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. ... -
Integrating sensors for robots operating on offshore oil and gas platforms
(Master thesis; Mastergradsoppgave, 2023-05-21)This thesis presents a solution to integrate sensors and instruments on a robot to be used instead of operators on unmanned oil and gas offshore platforms. Operators have various tasks from inspection to maintenance in the platforms. Because of high costs of having operators in offshore platforms, there has been always an ambitious to design a fully unmanned automated platform to decrease the costs ...
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