Browsing NTNU Open by Title

Power System Integration and Control of Variable Speed Wind Turbines

Eek, Jarle (Doktoravhandlinger ved NTNU, 1503-8181; 2009:234, Doctoral thesis, 2009)

Power System Operation on Oil and Gas Installations with Integration of Offshore Wind

Berge, Pål Mongstad (Master thesis, 2017)

This thesis investigates the operational aspects of integrating wind energy with the power supply to offshore oil and gas (O\&G) installations. The use of wind energy is an environmentally friendly and efficient way of ...

Power System Relay Modeling in Electromagnetic Transient Program

Wold, Kine (Master thesis, 2014)

The simulation program Alternative Transient Program is widely used in time-domain analysis of electrical systems. The program itself and its graphical pre-processor ATPDraw is under constant development. Implementation ...

Power Systems for Deep Sea Mining Applications, With Focus on Stability

Gjevre, Jostein (Master thesis, 2019)

Grunnet den stadig økende etterspørselen etter mineraler og den reduserte malmkvaliteten i landbaserte gruver, har gruveindustrien nå begynt å se mot mulighetene som skjuler seg på bunnen av de store havdyp. Kartleggingen ...

Power to Ammonia - A Computational Framework for Optimizing Green Ammonia Production from off-grid Wind and Solar Energy

Erik Eikeng (Master thesis, 2023)

Verden er for tiden gjennom et grønt skifte, og avkarbonisering står høyt på agendaen. I den forbindelse har det oppstått økt interesse for produksjon av grønn ammoniakk som erstatning for konvensjonell ammoniakk basert ...

Power train degradation modelling for multi-objective active power control of wind farms

Khazaeli Moghadam, Farid; Chabaud, Valentin Bruno; Gao, Zhen; Chapaloglou, Spyridon (Journal article; Peer reviewed, 2023)

With the coming installation of hundreds of GW of offshore wind power, penetration of the inherent power fluctuations into the electricity grid will become significant. Therefore, the use of wind farms as power reserve ...

Power Transformer Modeling for Inrush Current Calculation

Chiesa, Nicola (Doctoral Theses at NTNU, 1503-8181; 2010:64, Doctoral thesis, 2010)

In this thesis a general purpose transformer model for low and medium frequency transient studies is developed and verified. The inrush current phenomena during no-load energization of power transformer is analyzed with ...

Power Unavailability Reduction in Distribution Grid Fault Management with Entropy Minimization

Garau, Michele; Helvik, Bjarne Emil (Chapter, 2021)

Smart automation is acquiring a high importance in current distribution systems. The high number of buses, the radial topology, the small number of sensors and automated devices, require new approaches in managing fault ...

Power Wave Analysis and Prediction of Faults in the Norwegian Power Grid

Meen, Halvor Kvernes; Jahr, Camilla (Master thesis, 2020)

Det moderne samfunnet har blitt avhengig av elektrisitet, og som følger av dette har strømnettet blitt en viktig del av infrastrukturen vår. Å tilby et stabilt kraftdistribusjonsnett er ekstremt viktig og sørger for at ...

Power Wave Analysis and Prediction of Faults in the Norwegian Power Grid

Meen, Halvor Kvernes; Jahr, Camilla (Master thesis, 2020)

Det moderne samfunnet har blitt avhengig av elektrisitet, og som følger av dette har strømnettet blitt en viktig del av infrastrukturen vår. Å tilby et stabilt kraftdistribusjonsnett er ekstremt viktig og sørger for at ...

Power, trust and motivation in hospitals

Håvold, Jon Ivar; Håvold, Ole Kristian Sandnes (Peer reviewed; Journal article, 2019)

Purpose The purpose of this paper is to improve understanding of how different kinds of power influence trust and motivation in hospitals. Design/methodology/approach To analyze the links between power, trust and motivation, ...

Power- and Current-Based Control of Distributed Inverters in Low-Voltage Microgrids: Considerations in Relation to Classic Droop Control

Dos Santos Alonso, Augusto Matheus; Göthner, Fredrik T. B. W.; Brandao, Danilo Iglesias; Marafao, Fernando Pinhabel; Tedeschi, Elisabetta (Chapter, 2020)

This paper addresses the matter of active and reactive power sharing among distributed inverters in low-voltage microgrids, particularly highlighting the peculiarities of two strategies of coordinated control based on a ...

A Power-Efficient Low-noise and High Swing CMOS Amplifier for Neural Recording Applications

Naderi, Kebria; Habibzadeh Tonekabony Shad, Erwin; Molinas Cabrera, Maria Marta; Heidari, Ali (Chapter, 2020)

In this paper, a power efficient, low-noise and high swing capacitively-coupled amplifier (CCA) for neural recording applications is proposed. The use of current splitting technique and current scaling technique in a current ...

Power-to-Biomethane Process Modelling

Wijnsma, Sander N. (Master thesis, 2020)

In this project the Power-to-Methane process will be designed and evaluated that consists of an alkaline electrolyser, multi-tubular methanation reactor and polyimide membrane. The feed gas CO2 is modelled in accordance ...

Power-to-Gas Methanation of Carbon Dioxide

Attanapola, Manith Randula (Master thesis, 2023)

Denne masteroppgaven analyserte om Power-to-gas metanisering av en direkte metaniserings prosess modell kan operere med lavere H2/CO2. Sensitivitet analysen og optimaliseringen ble delt i to deler, en for metaniserings ...

PowerAid: A Smartphone Application for Smarter Energy Consumption: A Study of Energy Consumers' Motivation and Technological Needs

Tønnesen, Kristin (Master thesis, 2014)

Smart meters enable a range of possibilities to provide consumers with information about their power consumption. This thesis investigates the motivations behind how consumers use electricity in their households, and what ...