Blar i Institutt for elkraftteknikk på tittel
Viser treff 81-100 av 2419
-
Adaptive Protection of an Inverter- Dominated Microgrid and Testing at the Smart Grid Laboratory at NTNU
(Master thesis, 2019)Den raske utvidelsen av distribuert elektrisk kraftproduksjon medfører at forsyningsnettet må kunne operere som mikronett. Mikronett integrerer desentraliserte energikilder i distribusjonssystemet, og som kan levere kraft ... -
Adaptive Resonant Controllers in a Modular Multilevel Converter - An Analytical Study of the Circulating Current Suppressing Controller
(Master thesis, 2018)In this thesis work, the modular multilevel converter was investigated. More specifically, an analytical study of circulating current suppression methods for low-bandwidth systems was undertaken. A comparative study of two ... -
Adaptive Vector Control of Grid-tied VSC using Multilayer Perceptron-Recurrent Neural Network
(Chapter, 2021)The standard vector control is widely used for grid-connected voltage source converters (VSCs), however, the inability to satisfactorily operate at the desired level under different dynamic scenarios and grid conditions ... -
Additive Manufactured Amorphous Metal in High-Speed Interior Permanent Magnet Motor
(Master thesis, 2020) -
Addressing Reliability Challenges in Digital Substation Automation Systems
(Master thesis, 2023)Denne masteroppgaven undersøker påliteligheten til digitale transformatorstasjoner som benytter IEC 61850 prosessbussen. Den digitale stasjonen, kjennetegnet av forbedret samvirkeevne og sanntidsytelse, er i stor grad ... -
Adjustable Speed of Synchronous Machine for Hydro Power Application
(Master thesis, 2017)When Europe is transitioning from fossil fuels to renewables, hydropower plants will have an important role in the integration of large quantities of fluctuating sources in the power system, such as wind and solar. With ... -
Advanced Battery Diagnosis for Electric Vehicles
(Master thesis, 2008)Summary Literatures on battery technologies and diagnosis of its parameters were studied. The innovative battery technologies from basic knowledge to world standard testing procedures were analysed and discussed in the ... -
Advanced Control of Power Converters: Modular Multilevel Converter
(Doctoral theses at NTNU;2014:343, Doctoral thesis, 2014)Multilevel converters can reach medium-voltage operation increasing the efficiency of high-power applications. Among the available multilevel converter topologies, the invention of Modular Multilevel Converter (MMC) has ... -
Advanced Control Scheme Development for Single-Stage Solar PV System
(Master thesis, 2022)Den største stadig voksende installerte kapasiteten til solcelleanlegg (PV) energikilder har trukket oppmerksomheten til det verdensomspennende markedet for elektrisk kraftproduksjon i løpet av de siste tiårene. På grunn ... -
Advanced Fault Detection of Synchronous Generators using Stray Magnetic Field
(Peer reviewed; Journal article, 2021)Many methods used for precise fault detection in salient pole synchronous generators (SPSGs) often require a priori knowledge of the healthy case, but this requirement impedes application of the methods since an accurate ... -
Advanced gate drivers for next generation high power converters
(Master thesis, 2019)Denne masteroppgaven tar for seg avanserte driverkretser for halvleder komponenter med høy båndbredde (WBG) slik som de nye silisiumkarbid (SiC) MOSFETene. Sammenlignet med tradisjonelle halvleder materialer som silisium ... -
Advances in Machine-Learning Based Disaggregation of Building Heating Loads: A Review
(Peer reviewed; Journal article, 2023)This review article investigates the methods proposed for disaggregating the space heating units’ load from the aggregate electricity load of commercial and residential buildings. It explores conventional approaches together ... -
Adversarial security mitigations of mmWave beamforming prediction models using defensive distillation and adversarial retraining
(Journal article; Peer reviewed, 2022)The design of a security scheme for beamforming prediction is critical for next-generation wireless networks (5G, 6G, and beyond). However, there is no consensus about protecting beamforming prediction using deep learning ... -
Ageing and Restoration of Transformer Windings
(Research report, 2001) -
Ageing of Technical Air and Technical Air with 7.5% C5-Fluoroketone by Free-Burning Arcs
(Journal article; Peer reviewed, 2023)This paper reports on the effect of ageing by free-burning arcs in 7.5% C5-fluoroketone (C5-FK) with 92.5% technical air in comparison to that in technical air (80% N2, 20% O2) at 1.3bar absolute pressure. The gases are ... -
Agent Based Modelling and Simulation of Plug-In Electric Vehicles Adoption in Norway
(Chapter, 2018)This paper looks into the consumption side of the power balance, and more specifically on the effects of utilizing an increasingly larger fleet of Plug-in electric vehicles (PEVs) for personal transportation. To asses this, ... -
Agent-based modelling of EV charging scheduling towards optimized operation in Smart Grids
(Master thesis, 2020)Transport- og energisektorer er kilde til de fleste klimagassutslippene i Europa. Elektriske kjøretøy blir sett på som et effektivt alternativ mot optimalisering av transportenergieffektivitet, innføring av lavutslippsenergier ... -
Aggregation Methods for modelling hydropower and its implications for a highly decarbonised energy system in Europe
(Journal article; Peer reviewed, 2017)Given the pursuit of long-term decarbonisation targets, future power systems face the task of integrating the renewable power and providing flexible backup production capacity. Due to its general ability to be dispatched, ... -
Aggregation of Power grid Models
(Master thesis, 2017)In recent days, energy demands are growing rapidly. To meet this demand rise, several distributed energy sources and power generations are adding to the existing power system network. At the same time, cross-country and ... -
Aging of a high voltage insulation system exposed to AC sinusoidal and fast rise time repetitive pulses
(Master thesis, 2019)Med den forventede storskala integreringen av fornybare energikilder med variabel kraft produksjon krever bruk av kraftelektronikkomformere. De raskt stigende repeterende pulsene generert fra på og av operasjoner har en ...