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Analysis of Future Loading Scenarios in a Norwegian LV Network
(Chapter; Peer reviewed, 2019)This paper identifies the effect of Electric vehicles (EVs) and solar panels/photovoltaic (PVs) on the distribution grid with and without the use of demand response. A method to generate realistic profiles of EVs and PVs ... -
Analysis of MMC Dynamics in DQZ Coordinates for Vertical and Horizontal Energy Balancing Control
(Chapter; Peer reviewed, 2018)This paper presents a control system implementation in dqz-coordinates for equalizing the average energies stored in each arm of a Modular Multilevel Converter (MMC); a control objective that is typically referred to as ... -
Analysis of R744 refrigeration system with liquid ejectors
(Science et technique du froid;2018-3, Chapter; Peer reviewed, 2018) -
Anomaly indicators for Kaplan turbine components based on patterns of normal behavior
(Chapter; Peer reviewed, 2018)This paper describes and proposes some indicators for continuous monitoring of anomalous conditions in the hydraulic system of a Kaplan turbine using SCADA data. The indicators are based on significant deviations between ... -
Apparent impedance analysis: A new method for power system stability analysis
(IEEE Workshop on Control and Modeling for Power Electronics, COMPEL;2016, Chapter, 2016)In this paper a new method for power system stability analysis is introduced. The method is based on injection of a small voltage or current in an arbitrary point of the system. The apparent impedance is defined as the ... -
Application of a Testing Chain Methodology for Improving Power Converter Controllers
(Chapter; Peer reviewed, 2020)The practice of testing power system equipment like converters usually involves simulation, laboratory and field testing in that sequence. Such an approach lacks smooth transition and wide coverage of new services which ... -
Application of Bayesian Networks in Distribution System Risk Management
(PMAPS 2008;, Chapter, 2008) -
Applying Vector Fitting for Measurement-based Multiple-Input Multiple-Output Model Identification of a Grid-Forming Converter
(Chapter; Peer reviewed, 2023)This paper presents an approach for applying Vector Fitting (VF) to identify a small-signal state-space model of a power electronic converter represented as a multiple-input multiple-output (MIMO) system. A workflow for ... -
Approximating Ramping Constraints in Hydropower Scheduling
(International Conference on the European Energy Market;19, Chapter; Peer reviewed, 2023)This work concerns the modeling of ramping constraints on discharge in medium-term hydropower scheduling models applied in a liberalized market context. Such models often apply a coarse time discretization to ensure ... -
Approximating the flow-based domain for long-term market analysis in hydropower-dominated power systems
(Chapter; Peer reviewed, 2023)Flow-based market clearing will be implemented in the Nordic system in 2024. Nordic hydropower, with its large reservoirs require long-term production planning. Therefore, using exogenous flow-based constraints, we aim at ... -
Arc Voltage Distribution Measurement in Tube Constricted Ultrahigh-Pressure Nitrogen Arc
(Lecture Notes in Electrical Engineering;599, Chapter; Peer reviewed, 2020)This work contributes to the fundamental understanding of axial voltage distribution of the arc burning inside polytetrafluoroethylene (PTFE) tube at very high filling pressures of nitrogen. The arc peak current of 85 A ... -
Architecture and laboratory implementation of a testing platform for Wide Area Monitoring Systems
(Chapter; Peer reviewed, 2019)This paper presents a platform for testing wide area monitoring system (WAMS) applications in real time with a Hardware-in-the-Loop (HIL) approach. The power grid dynamics are emulated by performing real-time phasor ... -
Assessing the potential benefit of energy storage in emission constrained power markets using equilibrium modeling
(Chapter; Peer reviewed, 2017)An equilibrium model of the energy market is extended by a carbon emissions market. In addition, the mix of renewable energy sources is optimized given a limit on total generation. These two new features are integrated ... -
Assessing the potential benefit of energy storage in emission constrained power markets using equilibrium modeling
(International Conference on the European Energy Market;2017, Chapter; Peer reviewed, 2017)An equilibrium model of the energy market is extended by a carbon emissions market. In addition, the mix of renewable energy sources is optimized given a limit on total generation. These two new features are integrated ... -
Assessment of flexibility in different ancillary services for the power system
(International Conference on the European Energy Market;2020, Chapter; Peer reviewed, 2020)To handle the changing power system and enable the energy transformation, several actions are needed, where the increase of digitalization, automation and more substantial production variability implies a need for flexibility. ... -
Attaining a higher flexibility degree in CO2 compressor racks
(Science et technique du froid;, Chapter, 2020)CO2 compressor racks have shown their suitability for commercial and industrial refrigeration systems at any location and climate. Even if some references state that CO2 units can compete in capital cost with any other ... -
Bisection Algorithm based Indirect Finite Control Set Model Predictive Control for Modular Multilevel Converters
(Chapter; Peer reviewed, 2021)In this work, an idea based on the bisection algorithm is used to reduce the computational burden of indirect finite control set model predictive control (FCS-MPC) for modular multilevel converters (MMCs). The proposed ... -
Calibration of Pipeline Steel Model for Computational Running Ductile Fracture Assessment
(ISOPE - International Offshore and Polar Engineering Conference. Proceedings;29, Chapter; Peer reviewed, 2019)A novel fracture calibration method is presented for material models applied in finite element analysis of pipeline steels exposed to running ductile fracture. The calibration is based on the drop-weight tear test which ... -
CCS in the European Energy Transition to Climate Neutrality
(SINTEF Proceedings;7, Chapter; Peer reviewed; Conference object, 2021)The transition of the European energy system to reach climate neutrality by 2050 will require a development and deployment of technologies capable of decarbonizing the energy system in an unprecedented scale. Increased ... -
A CFD analysis for the performance assessment of a novel design of plates-in-tank latent storage unit for freezing applications
(Science et technique du froid;2019-1, Chapter; Peer reviewed, 2019)