Browsing Publikasjoner fra CRIStin - SINTEF Energi by Title
Now showing items 6-25 of 1811
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A Bayesian network based approach for integration of condition-based maintenance in strategic offshore wind farm O&M simulation models
(Chapter; Peer reviewed, 2018)In the overall decision problem regarding optimization of operation and maintenance (O&M) for offshore wind farms, there are many approaches for solving parts of the overall decision problem. Simulationbased strategy models ... -
A Bayesian spatial assimilation scheme for snow coverage observations in a gridded snow model
(Journal article; Peer reviewed, 2006) -
A Carbon neutral power system in the Nordic region in 2050 : D3.1 in the NORSTRAT project
(SINTEF Energi; Rapport; TR A7365, Research report, 2015) -
A carbon neutral power system in the Nordic region in 2050 D3.1 in the NORSTRAT project
(SINTEF Energi. Rapport;, Research report, 2014) -
A Case Study on Medium-Term Hydropower Scheduling with Sales of Capacity
(Journal article; Peer reviewed, 2016)This paper conducts a case study on hydropower scheduling considering sales of capacity reserves and impacts of detailed mod-elling. In latter years a growing demand for reserve capacity has been needed to ensure stable ... -
A Comparative Study of Methods for Estimating Virtual Flux at the Point of Common Coupling in Grid-Connected Voltage Source Converters with LCL Filter
(Journal article; Peer reviewed, 2017)Grid synchronization based on virtual flux (VF) estimation allows for control of grid-connected power converter without depending on ac-voltage measurements. This is useful in voltage-sensor-less applications for reducing ... -
A comparison of linear interpolation and spline interpolation for turbine efficiency curves in short-term hydropower scheduling problems
(Journal article; Peer reviewed, 2019)The purpose of short-term hydropower scheduling (STHS) in a competitive electricity market is to maximize the profit in the near future while adapting to the mid-term strategies for system operation. To ensure a realistic ... -
A Comparison of Low Flow Estimates in Ungauged Catchments Using Regional Regression and the HBV-Model
(Journal article; Peer reviewed, 2009) -
A Comparison of Post-combustion Capture Technologies for the NGCC
(Journal article; Peer reviewed, 2017)Four different post-combustion capture technologies are compared for the same NGCC (electric efficiency 58.1% without CO2 capture). The technologies are aqueous amine, polymeric membranes, a low temperature sorbent and ... -
A comprehensive model for char particle conversion in environments containing O2 and CO2
(Journal article; Peer reviewed, 2015)In this work, conversion of char is studied in a simulation code that includes a simplified heterogeneous adsorption–desorption reaction mechanism for char chemical reactivity and uses GRI-Mech 3.0 as the chemical kinetic ... -
A Concept of performance improvement for R744 two-phase ejector with bypass duct
(Science et technique du froid;2018-3, Chapter; Peer reviewed, 2018) -
A Damping Factor-Based White-Box Transformer Model for Network Studies
(Journal article; Peer reviewed, 2018)Transformer manufacturers make routine use of white-box detailed transformer models for ensuring that the transformer will pass the lightning impulse test. For use in general simulation studies, the model should additionally ... -
A fracture-propagation-control model for pipelines transporting CO2-rich mixtures including a new method for material-model calibration
(Journal article; Peer reviewed, 2017)This work considers a predictive numerical modelling approach for fracture-propagation control in CO2-transport pipelines, an area where current engineering tools do not work. Fluid-structure interaction model simulations ... -
A future energy chain based on liquefied hydrogen
(Lecture, 2009)In the efforts to curb emissions of greenhouse gases and local pollution hydrogen has the potential of becoming a prominent energy carrier in the future energy supply, for both automotive and stationary use. Today ... -
A gas ejector for CO2 supercritical cycles
(Journal article; Peer reviewed, 2018)he CO2 ejectors are recently often used as the main expansion device in the modern refrigeration cycles. On the other hand, according to the newest literature the implementation the ejectors into supercritical CO2 power ... -
A generic framework for power system flexibility analysis using cooperative game theory
(Journal article; Peer reviewed, 2017)Electricity grid infrastructures provides valuable flexibility in power systems with high shares of variable supply due to its ability to distribute low-cost supply to load centers (spatial), in addition to interlinking a ... -
A harmonic pressure differential wave energy converter
(Journal article; Peer reviewed, 2017)A pressure differential sea wave energy converter concept using the forced harmonic motion of a hydraulic water column and hydraulic piston is presented. The mechanical power from the hydraulic piston is converted to ... -
A linear State-Space Model of an Offshore Wind Turbine, Implemented in the STAS Wind Power Plant Analysis Program
(SINTEF Energi. Rapport;TR A7474, Research report, 2015)A set of MATlab/Octave scripts have been developed, which output state matrices describing the linearized aerolastic dynamics of an offshore wind turbine. The aerodynamic model is based on momentum balance,and includes ... -
A method for simulating two-phase pipe flow with real equations of state
(Journal article; Peer reviewed, 2014)Common two-fluid models for pipe flow assume local non-equilibrium regarding phase transfer. To solve the two-fluid models together with accurate equations of state for real fluids will in most cases require mechanical, ... -
A mobile application for on-site risk based decision support
(CIRED Conference Proceedings;2017, Chapter; Peer reviewed, 2017)Maintenance and renewal decisions are essential parts of distribution system asset management as means to control cost, performance and risk. This paper reports on the development of a mobile application used for in-the-field ...