Browsing Institutt for elkraftteknikk by Title
Now showing items 1783-1802 of 2416
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Powertrain Sizing of an All-Electric Commuter Aircraft for the Norwegian Short-Haul Network
(Master thesis, 2022)Mens utslippene knyttet til luftfart øker, er overgangen fra fossilt drivstoff til mer bærekraftige energikilder nødvendig. Denne overgangen inkluderer innfasing av elektriske fremdriftssystemer, og flere selskap har lansert ... -
A Practical Approach for Static Eccentricity Fault Diagnosis of Hydro-Generators
(Chapter, 2020)There has been an increased recognition that more attention needs to be paid to the condition monitoring of hydro-generators to provide a more reliable and sustainable power production. The static eccentricity (SE) fault ... -
Practical Experience in Using a Topological Model of a Core-Type Three-Phase Transformer - No-Load and Inrush conditions
(Journal article; Peer reviewed, 2017)This paper describes an experience in transformer modeling based on open-circuit test data obtained for a wide range of terminal voltages on the low-voltage side and inrush current measurements on the high-voltage side ... -
Pre-Breakdown Phenomena in Technical Air with and without C5-Fluoroketone for a Rod-Plane Gap
(Journal article; Peer reviewed, 2022)alternatives to the potent greenhouse gas SF6 in medium voltage (MV) gas insulated switchgear. MV products using this gas mixture are already commercially available, but there is still a lack of knowledge about this gas ... -
Predicting Domestic Hot Water Consumption in Buildings in Norway Using Machine Learning
(Master thesis, 2021)This thesis explores how machine learning techniques can be used for medium-term domestic hot water load prediction. A total of six models have been trained, fitted and validated with DHW consumption data from the Varmtvann2030 ... -
Prediction of Heating Power in Magnetic Pipe Conducting Large AC Current With High Frequencies Up to 200Hz
(Chapter, 2018)In direct electrical heating system (DEHs), which is developed for subsea process to safeguard well stream through pipelines to topside process platform or shore, the production pipeline is also acts as an active conductor ... -
Prediction of power, energy and hydrogen demand in a zero-emission port
(Master thesis, 2023)Norge har som mål å oppnå en utslippsfri maritim flåte innen 2050. For å nå dette målet må ny teknologi og alternative drivstoff bli implementert i den maritime sektoren. Noen av de foreslåtte teknologiene er batteri til ... -
Predictions on solar power plant generation with machine learning techniques (PRESAV)
(Bachelor thesis, 2022)Energiproduksjon har en betydelig innvirkning på menneskers liv, og forskere har forsøkt å predikere været for å forbedre kraftstabiliteten, redusere energitap og øke økonomisk gevinster. Med tanke på dagens klimautfor- dringer ... -
Predictive Control applied to Power Electronics Conversion Systems - From Simulation to Implementation
(Master thesis, 2015)Model predictive control has been a topic of research for approximately three decades, and is considered one of the most important advances in process control. In this project, a model to simulate predictive control applied ... -
Predictive Maintenance and Analytics in Hydroelectric Power Plants
(Master thesis, 2023)I lys av det digitale grønne skiftet, energikrisen i Europa og fremveksten av et mer konkurransepreget energimarked, er det essensielt å utforske vedlikehold strategien prediktivt vedlikehold innen vannkraft sektoren. Denne ... -
Preliminary Sizing of a Battery-Powered All-Electric Propulsion System for Regional Aircraft
(Chapter, 2022)This paper provides preliminary insight into the propulsion system requirements for a battery-powered all-electric airplane during cruising. The potential and limitations are demonstrated by proposing a sizing algorithm ... -
Pressure Tolerant Power Electronics
(Master thesis, 2009)The thermal behaviour of an IGBT module was investigated, especially with respect to the module being immersed in dielectric oil. An equivalent thermal model was built using thermal transients and network synthesis. The ... -
Preventing internal congestion in an integrated European balancing activation optimization
(Journal article; Peer reviewed, 2019)New common platforms for optimization of balancing energy activation will facilitate cross-border exchange and integrate the fragmented European balancing markets. Having a zonal market structure, these platforms will ... -
Price elasticity of electricity demand in metropolitan areas – Case of Oslo
(Journal article; Peer reviewed, 2019)This paper investigates how the electricity demand in the main Norwegian metropolitan area Oslo responds to variable electricity prices and if it contributes to lower peak demand for electricity. The electricity demand in ... -
Price formation and market balancing in a local flexibility market using Model Predictive Control
(Master thesis, 2020)Fleksibilitet kan i bred forstand forstås som villigheten og evnen til å endre produksjon eller last. Slik tilpasningsdyktighet kan bidra til mer effektiv nettdrift. Teoretiske tester og pilotprosjekter har funnet potensial ... -
Pricing electricity in constrained networks dominated by stochastic renewable generation and electric energy storage
(Peer reviewed; Journal article, 2021)This paper studies the electricity price formation in a competitive market when introducing generation from variable renewable energy technologies with zero marginal cost and electric energy storage systems. A power system ... -
Prioritizing Energy Blockchain Use Cases Using Type-2 Neutrosophic Number-Based EDAS
(Peer reviewed; Journal article, 2022)The modern power systems are evolving in parallel to the development of other technological trends such as decarbonization and digitalization. While the penetration of renewable energy resources is increasing within the ... -
Proactive operation of electric vehicles in harmonic polluted smart distribution networks
(Journal article; Peer reviewed, 2018)This study proposes combined framework for proactive operation, i.e. bidirectional active and reactive power management, of the smart distribution network as well as harmonic compensation of non-linear loads using electric ... -
Proactive Planning and Activation of manual reserved in sequentially cleared balancing markets
(Chapter, 2017)As a part of the integration of European balancing markets, new products and platforms will improve the possibilities for Transmission System Operators (TSOs) for exchange of balancing energy and netting of imbalances ... -
Probabilistic Load Flow Studies: Analytical and Approximate Methods
(Master thesis, 2018)The power system is, in an increasing manner, subject to uncertainties, and the traditional method of analyzing power systems using the deterministic load flow (DLF) is increasingly proving to be insufficient to handle the ...