Institutt for elkraftteknikk: Recent submissions
Now showing items 41-60 of 2420
-
NTNU-SINTEF SolarNet: A solar irradiation monitoring network at high latitudes
(Peer reviewed; Journal article, 2023)This study presents a monitoring network for solar irradiation at high latitudes, called NTNU-SINTEF SolarNet. The network collects, with a time resolution ranging from seconds to hours, solar irradiance data, e.g. global ... -
Power Flow Control in a Modular Converter With Energy Storage
(Peer reviewed; Journal article, 2023)Using modularized power converters with scalable energy storage in particle accelerators can be further enhanced with controls that can be adapted to optimise different design targets, such as to minimise the front-end ... -
Stability Improvement of MMC-Based Multiterminal HVDC Grids
(Doctoral theses at NTNU;2024:7, Doctoral thesis, 2024)The 100% renewable European smart grid cannot be implemented without reliance on wind energy from the offshore wind farms in the North Sea. High-voltage direct current (HVDC) cables are generally used to transfer power ... -
Energy profiles and electricity flexibility potential in apartment buildings with electric vehicles – A Norwegian case study
(Journal article; Peer reviewed, 2024)Energy flexibility in buildings has the potential to reduce the grid burden of neighbourhoods, yet its practical implementation remains limited. This paper presents a data-based case study from Norway, examining the ... -
A Hybrid Current- and Voltage-Source Driver for Active Driving of Series-Connected SiC MOSFETs
(Peer reviewed; Journal article, 2024)The series-connection of silicon carbide (SiC) metal-oxide-semiconductor field-effect transistors ( mosfet s) is an attractive way of increasing the blocking voltage capability of a switch. However, due to inherent transient ... -
A Scalable DC/DC Converter Topology with Modularized Energy Storage for High Energy Physics Applications
(Journal article; Peer reviewed, 2023)This article presents the design and control of a high-power modular dc–dc converter for electromagnets used in high energy physics applications. The fundamental building modules, herein called bricks, can either be connected ... -
Scalable Regenerative Power Converters for Accelerator Magnets
(Doctoral theses at NTNU;2023:413, Doctoral thesis, 2023)Electromagnets are used at The European Centre for Nuclear Research (CERN) in high-energy physics experiments to direct the charged particle beams. They store significant amounts of energy in the magnetic fields and are ... -
Technology Suitability Assessment of Battery Energy Storage System for High-Energy Applications on Offshore Oil and Gas Platforms
(Peer reviewed; Journal article, 2023)Selecting a battery energy storage technology for application on offshore platforms or marine vessels can be a challenging task. Offshore oil and gas platforms (OOGPs) require battery energy storage systems (BESSs) with ... -
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 ... -
Evaluating the Precision of the DC Decay Test Method for Characterizing Wound-Field Synchronous Machines in Power Plants
(Peer reviewed; Journal article, 2023)The sudden short-circuit test is the gold standard for determining the equivalent diagram of wound-field synchronous machines (WFSMs). Only a single measurement is needed while the machine is in saturated mode. However, ... -
Uncertainty Aware Deep Learning Model for Secure and Trustworthy Channel Estimation in 5G Networks
(Peer reviewed; Journal article, 2023)With the rise of intelligent applications, such as self-driving cars and augmented reality, the security and reliability of wireless communication systems have become increasingly crucial. One of the most critical components ... -
Implementation and laboratory verification of method utilizing phase and neutral quantities for detection and location of low-current earth faults in resonant grounded networks
(Peer reviewed; Journal article, 2023)Earth faults is a challenging fault type to locate in resonant grounded networks due to their naturally low fault current, and the problem increases with an increased fault impedance. This paper describes the detailed ... -
Characterization of Ultrahigh Pressure Nitrogen Arc Using Black Box Arc Model
(Journal article; Peer reviewed, 2023)In this paper, the effect of filling pressure on the black box arc parameters of nitrogen arc is reported using Mayr arc model. The arc current is approximately 130 A at 190 Hz. The filling pressure is varied at absolute ... -
Limiting imbalance settlement costs from variable renewable energy sources in the Nordics: Internal balancing vs. balancing market participation
(Peer reviewed; Journal article, 2023)Due to the market gate closures in the Nordic energy markets, producers with variable renewable energy (VRE) assets, e.g., PV and wind power plants, must forecast their production prior to delivery, leaving room for ... -
A rich dataset of hourly residential electricity consumption data and survey answers from the iFlex dynamic pricing experiment
(Peer reviewed; Journal article, 2023)The iFlex field experiment was conducted to understand if and how households change their power consumption in response to variable hourly electricity prices. This experiment was conducted in several Norwegian regions, and ... -
Power market models for the clean energy transition: State of the art and future research needs
(Peer reviewed; Journal article, 2023)As power systems around the world are rapidly evolving to achieve decarbonization objectives, it is crucial that power system planners and operators use appropriate models and tools to analyze and address the associated ... -
Digital Energy Platforms Considering Digital Privacy and Security by Design Principles
(Chapter, 2023)The power system and markets have become increasingly complex, along with efforts to digitalize the energy sector. Accessing flexibility services, in particular, through digital energy platforms, has enabled communication ... -
Experimental evaluation of SiC-based medium voltage Series Resonant Dual-Active-Bridge three-level DC/DC converters for EV charging
(Chapter, 2023)This paper compares two topologies of SeriesResonant Dual-Active-Bridge (SRDAB) converters with threelevel input applied for EV charging from medium voltage (MV) bipolar DC-link. To convert such a voltage with the utilization ... -
Etablere en energidelingsmodell som simulerer lønnsomhet for energideling i et off-grid hyttefelt.
(Master thesis, 2023)På bakgrunn av at dagens hyttelandsbyer begynner å ligne mer på små tettsted, er det på tide å komme med nye bærekraftige løsninger gjeldende norske hytter. Denne masteroppgaven har som hensikt å undersøke forbedringspotensiale ... -
Control Methods for Operation of Pumped Storage Plants With Full-Size Back-to-Back Converter Fed Synchronous Machines
(Peer reviewed; Journal article, 2023)A full-size converter-fed synchronous machine (CFSM) technology is emerging as the most flexible system for pumped storage plants for efficient operation in a wide range of water flows, which is not the case in existing ...