Browsing Institutt for elektro, IT, og kybernetikk by Title
Now showing items 96-115 of 287
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Fast Active Power-Frequency Support Methods by Large Scale Electrolyzers for Multi-Energy Systems
(Chapter, 2020)This paper presents a comparative assessment of fast active power regulation (FAPR) control strategies implemented on megawatt-scale controllable electrolysers, with the goal of achieving enhanced frequency support during ... -
Fault Location in a VSC-HVDC Link Using Neural Networks
(Journal article, 2020)High-voltage direct current (HVDC) using voltage source converter (VSC) in transmission systems applications are currently a competitive alternative to the traditional AC transmission systems, especially for offshore wind ... -
Finding Y-relevant part of X by use of PCR and PLSR model reduction methods
(Journal article; Peer reviewed, 2007)The paper is considering the following question: using principal component regression (PCR) or partial least squares regression (PLSR), how much data can be removed from X while retaining the original ability to predict ... -
Flood Control of Lake Toke: Model Development and Model Fitting
(Journal article; Peer reviewed, 2017) -
Flood Management of Lake Toke: MPC Operation under Uncertainty
(Peer reviewed; Journal article, 2019)A deterministic reference tracking model predictive control (MPC) is in use at Skagerak Kraft for flood management of Lake Toke in Norway. An operational inflow estimate is used to predict the optimal gate opening at Dalsfos ... -
Formulation of Stochastic MPC to Balance Intermittent Solar Power with Hydro Power in Microgrid
(Peer reviewed; Journal article, 2021)In a microgrid with both intermittent and dispatchable generation, the intermittency caused by sources such as solar power and wind power can be balanced using dispatchable sources like hydro power. Both generation and ... -
Framework for Real-Time Simulation of Hardware in the Loop Applied to Primary Frequency Control
(Chapter, 2020)This research paper proposes a framework to perform (hardware in the loop) HIL simulation in real-time (RT), the framework includes steps for the formulation of the Target RT Computer and Open Source System, which are ... -
Frequency stability issues and research opportunities in converter dominated power system
(Journal article; Peer reviewed, 2021)Stable power supply has become a crucial thing in the current era of technology and automation. Although the power system has multiple stability issues and causes, frequency fluctuation plays a vital role in normal operation, ... -
Frequency Support of Fast-Multi-Energy Storage Systems in Low Rotational Inertia Scenarios
(Chapter, 2020)Modern power systems are increasing the connection of power electronic converters (PECs), and new inertia-less technologies displace the synchronous generation units. Therefore, the total rotational system inertia is ... -
From the industrial to the post-industrial society in 25 years - as seen by an engineering educator
(Conference report, 1998)Dieses Papier beschreibt und diskutiert kurz die Veränderung der Rahmen des Ingenieurpädagogens über dieletzten 25 Jahre. In 1973 hatten die Pädagogen eine stabile, doch vom Ministerium abhengige Arbeitssituation.Trotz ... -
Fusion of Body Sensors’ Data and Video Images in Assistive Technology
(Chapter, 2019)Modern innovations in the design of sensors and the convergence of computing, cognition and communications have led to many new possibilities in incorporating AI-techniques in Assistive Technology (AT) for elderly people. ... -
Future Operational Regimes of Bulk Power Generation in The Era of Global Energy Transition: Grid Codes, Challenges and Open Issues
(Chapter, 2020)This paper explores the effects of the ongoing energy transition on the classical bulk power generation. The rapid increase in renewable penetration changes the role of grid-connected generators significantly. Large machines ... -
Future regional university/industry cooperation : academic excellence through 3-dimensional integration
(Journal article, 1998)A new interest in the existence and operation of the many small and medium size enterprises (SMEs) as active partners for the newborn regional universities in Norway has recently been registered. This interest has been ... -
High current arc erosion on copper electrodes in air
(Journal article; Peer reviewed, 2011)An arc fault inside metal enclosed switchgear will cause the pressure to rise and vaporization of electrode material may contribute to the pressure rise. An experimental study of high current arc erosion on copper electrodes ... -
High Speed EIT with Multifrequency Excitation Using FPGA and Response Analysis Using FDM
(Peer reviewed; Journal article, 2020)The investigation of quickly-evolving flow patterns in high-pressure and higherature flow rigs is crucial due to inherent hazards. There is a dire need for a high-speed, non-intrusive imaging technique to identify ... -
Human behaviour modelling for welfare technology using hidden Markov models
(Peer reviewed; Journal article, 2019)Human behaviour modelling for welfare technology is the task of recognizing a person's behaviour patterns in order to construct a safe environment for that person. It is useful in building environments for older adults or ... -
Hybrid Model Predictive Control Scheme for Controlling Temperature in Building Under Uncertainties
(Peer reviewed; Journal article, 2023)This paper presents a study on temperature control with a heater in a building using Model Predictive Control (MPC) with a focus on addressing two uncertainties: in model and the weather forecast. In previous works, a ... -
Hydropower Systems: Comparison of Mechanistic and Table Look-up Turbine Models
(Journal article; Peer reviewed, 2017)In this paper, a detailed overview of hydropower system components is given. Components of the system include intake race, upstream and downstream surge tanks, penstock, turbine and draft tube. A case study which includes ... -
Impact Study of Temperature on the Time Series Electricity Demand of Urban Nepal for Short-Term Load Forecasting
(Journal article; Peer reviewed, 2021)Short-term electricity demand forecasting is one of the best ways to understand the changing characteristics of demand that helps to make important decisions regarding load flow analysis, preventing imbalance in generation ... -
Implementation of simplified sequential stochastic model predictive control for operation of hydropower system under uncertainty
(Peer reviewed; Journal article, 2023)Sequential stochastic model predictive control (MPC) is a control framework that sequentially employs two optimizers. The high-level optimizer generates a coarse long-term plan based on nominal uncertainty values, while ...