Blar i Publikasjoner fra CRIStin - SINTEF Energi på utgivelsesdato
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Neutral Point Overvoltages in Wye-Wye Connected Distribution Transformer Caused by Lightning Current in Low-Voltage Winding
(Peer reviewed; Journal article, 2020)Lightning strokes is a main source of transformer failures in distribution systems. The discharge of a lightning current through a distribution transformer's high-voltage (HV) side arresters leads to a ground potential ... -
Methods of aggregation and disaggregation - Project results
(SINTEF Rapport;, Research report, 2020)The focus of the project "Methods of aggregation and disaggregation" are improved mathematical methods and computer tools for aggregation and disaggregation of hydro power systems in optimization models. These techniques ... -
Using Fiber-Optic Sensors to Give Insight into Liquid-Solid Phase Transitions in Pure Fluids and Mixtures
(Peer reviewed; Journal article, 2020)Fiber optic sensors offer a new and unique way to detect and analyze phase transitions, due to their small thermal mass and inert material. This paper presents and demonstrates a dual-sensor system to detect and analyze ... -
Impact of uncertainties on the design and cost of CCS from a waste-to-energy plant
(Peer reviewed; Journal article, 2020) -
A multiscale porous–resolved methodology for efficient simulation of heat and fluid transport in complex geometries, with application to electric power transformers
(Peer reviewed; Journal article, 2020)The numerical simulation of fluid flow through a complex geometry with heat transfer is of strong interest for many applications, such as oil-filled power transformers. A fundamental challenge here is that high resolution ... -
CINELDI-rapport 01:2020 - Scenarier for fremtidens elektriske distribusjonsnett anno 2030-2040
(SINTEF Rapport;, Research report, 2020) -
P-HiL Evaluation of Virtual Inertia Support to the Nordic Power System by an HVDC Terminal
(Chapter; Peer reviewed, 2020)This paper provides an assessment of the effect from virtual inertia provided by an HVDC converter terminal on the Nordic power system. The analysis is based on results from Power-Hardware-in-the-Loop (P-HiL) tests with a ... -
Thermal Characteristics in Supercritical CO2 Along Heating Tube
(Sciences et technique du froid;2020:14, Chapter; Peer reviewed, 2020)The system using CO2 as a refrigerant such as heat pump or Rankine cycle, depends greatly on the phase state and physical properties of CO2. In the present study, as a basic research on CO2 in the supercritical state, an ... -
Experimental and numerical investigation of a transcritical CO2 air/water reversible heat pump: analysis of domestic hot water production
(Science et technique du froid;, Chapter, 2020)As a natural refrigerant, carbon dioxide is safe, economic and environmentally sustainable and can be successfully utilized in heat pump and refrigeration systems operating according to transcritical cycles. This paper ... -
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 ... -
Low-Carbon Footprint Hydrogen Production from Natural Gas: a Techno-Economic Analysis of Carbon Capture and Storage from Steam-Methane Reforming
(Journal article; Peer reviewed, 2020)Enabling cost-efficient low-carbon footprint hydrogen production is key to achieve the ambition of the Paris Agreement. This study aims to understand the techno-economic performances of hydrogen production from natural gas ... -
Development and validation study of a 1D analytical model for the response of reheat flames to entropy waves
(Peer reviewed; Journal article, 2020)Numerical simulations of laminar premixed flames burning hydrogen and methane in spontaneous ignition mode are performed by harmonically exciting the reactants’ temperature at the domain inlet. The results are compared to ... -
Medium-term scheduling of a hydropower plant participating as a price-maker in the automatic frequency restoration reserve market
(Peer reviewed; Journal article, 2020) -
A proposed methodology for modelling the combined load of electric roads and households for long-term grid planning
(International Conference on the European Energy Market;2020, Chapter; Peer reviewed, 2020)The number of electric vehicles (EV) is increasing rapidly, and it is not yet sure how the grid infrastructure will be built, and how this will affect the power system. One option for charging EVs is a dynamic wireless ... -
LowEmission Annual Report 2019
(Research report, 2020) -
Nonequilibrium thermodynamics of surfaces captures the energy conversions in a shock wave
(Peer reviewed; Journal article, 2020)A theory for the entropy production in a shock wave was developed using Gibbs’ excess properties in the framework of non-equilibrium thermodynamics (NET) of surfaces. The theory was used to analyze numerical results from ... -
Development and modelling of different decarbonisation scenarios of the European energy system until 2050 as a contribution to achieving the ambitious 1.5°C climate target - Establishment of open source/data modelling in the European H2020 project openENTRANCE
(Peer reviewed; Journal article, 2020)The ambition of the openENTRANCE project is to develop and establish an open, transparent and integrated modelling platform for assessing low-carbon transition pathways of the European energy system. In this context, the ... -
Forstudie: CCS i Midt-Norge
(SINTEF Rapport;, Research report, 2020) -
Scheduling Toolchains in Hydro-Dominated Systems : evolution, Current Status and Future Challenges for Norway and Brazil
(SINTEF Rapport;, Research report, 2020)This report elaborates on the toolchains applied for generation scheduling in the two countries Norway and Brazil. Both countries have vast hydropower resources, with numerous geographically widespread and complex reservoir ...