Institutt for elkraftteknikk
Recent Submissions
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Do we have to choose between the ecosystems and the energy transition? Environmental trade-offs with operation of Norwegian hydropower
(Journal article; Peer reviewed, 2025)In Norway, environmental constraints applying to hydropower may become stricter to safeguard local ecosystems. At the same time, Norwegian hydropower can facilitate the transition to more renewable energy within Northern ... -
On the potential role of flexible Norwegian hydropower in managing challenging renewable energy variability events in Europe
(Journal article; Peer reviewed, 2025)Previous research has identified flexible Norwegian hydropower as one potential key resource for managing variations in wind and solar power in Northern Europe. There is, however, a need for further detailed examination ... -
Feasibility of Battery-Powered All-Electric Propulsion for Short-Haul Commuter Aircraft
(Peer reviewed; Journal article, 2025) -
Black-boxing of Converter State-Space Models for Power System Eigenvalue Analysis
(Chapter, 2024)State-space models are useful for a wide range of power system analyses relying on eigenvalue-based small-signal stability assessment. However, state-space models for detailed analysis of power converter dynamics are ... -
A Platform for Development and Testing of WAMPAC Applications based on Kafka Streaming
(Chapter, 2024)In this paper a platform for developing and testing Wide Area Monitoring, Protection and Control (WAMPAC) applications is presented. The fundamental idea is that individual applications operate as microservices. Each ... -
COFACTOR Drammen dataset - 4 years of hourly energy use data from 45 public buildings in Drammen, Norway
(Journal article; Peer reviewed, 2025)To limit energy consumption and peak loads with increased electrification of our society, more information is needed about the energy use in buildings. This article presents a data set that contains 4 years (Jan. 2018- ... -
Anbefalt metode for beregning av utslipp fra strøm og fjernvarme. Oppsummering og anbefaling på tvers av studier i FME ZEN
(ZEN Memo;, Research report, 2025)FME ZEN har som en sentral del av sitt mandat hatt i oppgave å utvikle kunnskap om hvordan man kan oppnå netto nullutslippsområder (ZEN), med tanke på klimagassutslipp fra utbyggingsprosjekter i våre byer og tettsteder. ... -
Comparing Deep Neural Networks for 1D Multi-Label Power Quality Disturbance Classification: ResNet, MobileNet, and DenseNet
(Chapter, 2024)Power quality (PQ) analysis has become increasingly challenging due to the widespread usage of power electronic devices and the variability of operational events in electric grids integrating renewable energy resources. ... -
Power system instability prediction from the solution pattern of differential Riccati equations
(Journal article; Peer reviewed, 2024)Power system stability characteristics are typically evaluated in terms of small- and large-signal (transient) stability. Access to the time-varying A-matrix of a state-space-based power systems model during transient ... -
Using Graph Neural Networks in Reinforcement Learning with Application to Monte Carlo Simulations in Power System Reliability Analysis
(Journal article; Peer reviewed, 2024)This paper presents a novel method for power system reliability studies that combines graph neural networks with reinforcement learning. Monte Carlo methods are the backbone of probabilistic power system reliability analyses. ... -
The Role of Process Flexibility for Faster Decarbonization of Industrial Energy Demands
(Doctoral theses at NTNU;2025:96, Doctoral thesis, 2025)To limit the rapidly increasing global warming, we need to decarbonize fossilbased processes fast. The industry sector accounts for 38 % of global final energy consumption, and around half of this is still based on fossil ... -
Automatic Power Quality Disturbance Feature Extraction Using Fast Iterative Filtering
(Chapter, 2024)Power quality (PQ) events have become increasingly complex due to the growing integration of renewable energy resources into electric grids. Hence, there is a pressing need for expressive latent representations of the ... -
Numerical modelling of the effect of temporary overvoltages in extruded HVDC cable insulation
(Master thesis, 2025)Numerical simulations performed by CIGRE joint working group B4C4B1.73 have indicated that in HVDC power transmission networks pole-to-ground failures can lead to temporary overvoltages in the network which are not covered ... -
Centralized vs. Decentralized Deployment of Battery Energy Storage System on Offshore Platforms
(Chapter, 2024)Energy storage (ES) integration with offshore platforms is promising if significant cost and carbon emissions reduction needs to be realized. An important question is how ES should be deployed, considering both the centralized ... -
Overview of Small Modular and Advanced Nuclear Reactors and Their Role in the Energy Transition
(Journal article; Peer reviewed, 2025)There is an unprecedented need to expand the toolbox of solutions to boost the scalability of clean power and energy systems. Amidst this challenge, nuclear energy is increasingly recognized as an important player in the ... -
Grid tariff design and peak demand shaving: A comparative tariff analysis with simulated demand response
(Peer reviewed; Journal article, 2025)The electrification of the energy system requires significant grid expansion, raising the question of how to defer investments through efficient utilisation of the existing grid. Cost-reflective grid tariff designs that ... -
Solar home systems and swarm electrification: Decentralized power systems for energy access
(Doctoral theses at NTNU;2025:68, Doctoral thesis, 2025)There is an urgency of achieving Sustainable Development Goal 7, which aims to ensure access to affordable, reliable, sustainable, and modern energy for all by 2030. Despite progress, 685 million people still lacked ... -
The Aggregation of Wind Time-Series in Capacity Expansion Models
(Journal article; Peer reviewed, 2025)Capacity Expansion Models (CEMs) are widely used in the academic literature to understand the needs and dynamics of highly renewable energy systems. Due to computational constraints, it is common to aggregate time-series ... -
The impact of high-voltage circuit breaker condition on power system reliability
(Doctoral theses at NTNU;2025:70, Doctoral thesis, 2025)The electric power grid is a complex, ageing system that requires substantial investment to meet societal needs. Reliability analysis tools are required to assist in decision-making concerning system development and asset ... -
The representation of hydrogen in open-source capacity expansion models
(Journal article; Peer reviewed, 2024)The intermittent nature of wind and solar power has led to a scientific consensus in the international energy research community that a mix of energy sources and carriers is necessary to achieve carbon neutrality. The ...
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