Master of Science in Electrical Power Engineering: Nye registreringer
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Frequency in power converter dominated system
(Master thesis, 2021)The penetration of power electronic converter into the power grid is increasing at a noticeable rate, which causes the number of conventional synchronous generators (SG) to decrease. As a result, the power electronic ... -
Modeling the Excitation Control System of a Hydropower Controller in Modelica
(Master thesis, 2021)Hydropower technologies are crucial to provide flexibility, reliability, and stability to the grid compared to other renewable energy technologies. Therefore, the number of hydropower plants, mainly the small-scale plants, ... -
Digital Twin for Industrial Induction Heating Equipment
(Master thesis, 2021)EFD Induction want to look at the possibility of developing a digital twin for their induction heating equipment. A digital twin has a variety of usages, such as monitoring, predictive maintenance, and testing what-if ... -
Control Relevant Model of Synchronous Generator Attached to Turbine and Grid
(Master thesis, 2021)A synchronous generator is one of the important units in the hydropower plant that plays a key role in the production of electricity. Much effort has been done for designing more accurate models of synchronous machines ... -
Hydropower unit – An analysis of operational efficiencies and energy losses
(Master thesis, 2021)The beginning of the “green shift” has already started in the Nordic power grid. In this context, it means extensive use of intermittent energy sources like wind and solar power. The intermittent sources impact the operational ... -
Non-intrusive ultrasonic sound detection of internal arc fault in medium voltage switchgear
(Master thesis, 2021)Arc fault protection is becoming ever more critical for all power systems to maintain the safety of personnel and reduce damage to expensive equipment. An internal arc fault is an unintentional event within an enclosed ... -
Thermal capacity and loading assessment for 24 kV XLPE-insulated cables in air
(Master thesis, 2021)Charging large battery packs requires high currents, especially for short-term charging of electric vehicles. The ohmic losses heats up power cables and is the limiting factor for the current capacity. However, the power ... -
Evaluation of battery storage in combination with hydro-power systems
(Master thesis, 2021)As the power grid moves away from larger rotating masses, thereby decreasing the inertia and making the grid more sensitive to production changes, it becomes more and more important that new and improved power reserves ... -
Testing All-in-one-protection for any power distribution application using real time simulation
(Master thesis, 2021)The work was done as part of Master thesis at the Department of Electrical Engineering at USN, Porsgrunn, Norway. -
Bidirectional Power Transfer between Grid and Electric Vehicle Batteries
(Master thesis, 2020)In the last decades, the significant growth of electric vehicle (EV) is promising an alternative to solve the concern about fossil fuel and global warming. However, as the number of EVs increasing significantly, it can ... -
Thermal model parameter estimation of a hydroelectric generator using machine learning
(Master thesis, 2020)The synchronous generator have a central role in the power system, and is governed by multi-physics behaviour. A digital twin of the synchronous generator can lead to more efficient utilization in a more safe and reliable ... -
Design of a Low-Voltage High-Power DC Power Supply for Microbial Electrochemical Synthesis
(Master thesis, 2020)This Master’s Thesis is established to design an optimal low-voltage high-power DC power supply which can feed a biochemical system consisting of a microbial electrolysis cell, which further is connected to an existing ... -
Improving the design of MV load-break switch contacts
(Master thesis, 2019)The breaking of currents either during maintenance, faults, or overload is common in load-break switches. Because switches are usually placed before critical installations it is important that their designs implementations ... -
Model Fittng and State Estimation for Thermal Model of Synchronous Generator
(Master thesis, 2019)The power factor of a synchronous generator, in a European hydropower generation, is constrained to [0.85, 0.95], and for Norway, it is generally below 0.86. A higher power factor means more exploited power (active power), ... -
Online monitoring and visualizing of a generator’s capability with Simulink
(Master thesis, 2019)The power systems today are becoming more larger, complex and are operating closer to their security and stability limits particularly due to an increase in load demands and number of environmental concerns. Voltage ... -
Influence of thermal radiation in MV switchgear
(Master thesis, 2019)When developing MV switchgear units it is important that the finalized product is within IEC maximum temperature rise limit. When a switchgear unit is developed it is continuously tested until it meets the requirements, ... -
Modeling of a Fault Ride Through in Transmission System with Distributed Hydropower Production
(Master thesis, 2018)As part of the development plan for the European Transmission Network, the European Network of Transmission System Operator (ENTSO-E) proposed the creation of a Network code dealing the requirements for the grid connections ... -
Frequency stability in integrated synchronous power systems
(Master thesis, 2018)In the later years, the frequency quality in the Nordic synchronous system has been reduced significantly. In order to restore the frequency quality, new requirements for the primary frequency control (FCR) is under ... -
Power loss measurements in MV switchgear for Cigré-working group
(Master thesis, 2018)Working group A3.36 from Cigré is studying to what degree simulations can be used to predict the steady state temperature of MV and HV switchgear. The result of this thesis will be provided to the working group. The aim ... -
Heat transfer mechanisms in MV load break switches
(Master thesis, 2017)This report is part of an ongoing research project between University college of Southeast Norway and ABB Power product division. This report focuses on the heat transfer from two load break switch (LBS), normally used in ...