Browsing NTNU Open by Journals "Frontiers in Energy Research"
Now showing items 1-19 of 19
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Analysis of Harmonic Resonance for Locomotive and Traction Network Interacted System Considering the Frequency-Domain Passivity Properties of the Digitally Controlled Converter
(Peer reviewed; Journal article, 2020)Harmonic resonance is a kind of oscillatory instability phenomenon occurring in the electric railway. To investigate this problem, the frequency-domain model of the single-phase voltage source converter for locomotives is ... -
Compact steam bottoming cycles: minimum weight design optimization and transient response of once through steam generators
(Peer reviewed; Journal article, 2021)Compactness and weight minimization are key aspects for successful and widespread implementation of waste heat recovery steam cycles in off-shore oil and gas platforms due to the site weight and volume footprint constraints. ... -
Conceptual design and techno-economic analysis of biomass to liquid processes
(Peer reviewed; Journal article, 2022)Advanced biofuels are produced by upgrading the syncrude from biomass gasification and subsequent Fischer-Tropsch (FT) synthesis. The technology is termed biomass to liquid process (BtL) and can be categorized into ... -
Cyber Physical Defense Framework for Distributed Smart Grid Applications
(Journal article; Peer reviewed, 2021) -
Effect of an Electric Vehicle Promotion Policy on China's Islands: A Case Study of Hainan Island
(Journal article; Peer reviewed, 2020) -
Flow Field Patterns for Proton Exchange Membrane (PEM) Fuel Cells
(Journal article; Peer reviewed, 2020)Flow field designs for the bipolar plates of the proton exchange membrane fuel cell are reviewed; including the serpentine, parallel, interdigitated, mesh type or their mixtures, furthermore 2D circular and 3D tubular ... -
Forecasting Electricity Load With Hybrid Scalable Model Based on Stacked Non Linear Residual Approach
(Peer reviewed; Journal article, 2021)Power has totally different attributes than other material commodities as electrical energy stockpiling is a costly phenomenon. Since it should be generated when demanded, it is necessary to forecast its demand accurately ... -
Gab-SSDS: An AI-Based Similar Days Selection Method for Load Forecast
(Peer reviewed; Journal article, 2022)The important, while mostly underestimated, step in the process of short-term load forecasting–STLF is the selection of similar days. Similar days are identified based on numerous factors, such as weather, time, electricity ... -
Identifying the critical factors of transmission efficiency loss in China’s natural gas network
(Peer reviewed; Journal article, 2023)China’s market-oriented reform supports the sustainable development of energy mix and the low-carbon target, and natural gas has bridged the transition from traditional fossil energy to clean and renewable energies. The ... -
LCOE-Based Pricing for DLT-Enabled Local Energy Trading Platforms
(Peer reviewed; Journal article, 2022)Support schemes like the Feed-in-Tariff (FiT) have for many years been an important driver for the deployment of distributed energy resources, and the transition from consumerism to prosumerism. This democratization and ... -
Optimal Design of a Hybrid Energy System for the Supply of Clean and Stable Energy to Offshore Installations
(Peer reviewed; Journal article, 2020)This paper presents an innovative hybrid energy system for stable power and heat supply in offshore oil and gas installations. The proposed concept integrates offshore wind power, onsite gas turbines and an energy storage ... -
Optimal Renewable Energy Distribution Between Gasifier and Electrolyzer for Syngas Generation in a Power and Biomass-to-Liquid Fuel Process
(Peer reviewed; Journal article, 2022)By adding energy as hydrogen to the biomass-to-liquid (BtL) process, several published studies have shown that carbon efficiency can be increased substantially. Hydrogen can be produced from renewable electrical energy ... -
Optimization of Organic Rankine Cycles for Waste Heat Recovery From Aluminum Production Plants
(Journal article; Peer reviewed, 2019)This paper presents the optimization of organic Rankine cycles (ORCs) for recovering waste heat from a hypothetical aluminum production plant to be installed in Norway. The case study is particularly interesting because ... -
Real-time Volt-Var control of grid forming converters in DER-enriched distribution network
(Peer reviewed; Journal article, 2023)The growing installation of distributed energy resources (DERs) in a distribution network (DN) poses substantial issues related to voltage regulation. Due to constrained switching operation and slower response time, ... -
Role of Filler Content and Morphology in LLZO/PEO Membranes
(Journal article; Peer reviewed, 2021) -
Sizing of Hybrid Energy Storage Systems for Inertial and Primary Frequency Control
(Peer reviewed; Journal article, 2021)The exponential rise of renewable energy sources and microgrids brings about the challenge of guaranteeing frequency stability in low-inertia grids through the use of energy storage systems. This paper reviews the frequency ... -
Solar energy digitalization at high latitudes: A model chain combining solar irradiation models, a LiDAR scanner, and high-detail 3D building model
(Peer reviewed; Journal article, 2022)Solar mapping can contribute to exploiting more efficiently the solar energy potential in cities. Solar maps and 3D solar cadasters consist of visualization tools for solar irradiation analysis on urban surfaces (i.e., ... -
Synchronizing Stability Analysis and Region of Attraction Estimation of Grid-Feeding VSCs Using Sum-of-Squares Programming
(Peer reviewed; Journal article, 2020)Grid-synchronizing Stability (GSS) is an emerging issue related to grid-feeding voltage-source converters (VSCs). Its occurrence is primarily related to the non-linear dynamics of a type of vastly applied synchronization ... -
Yaw misalignment in powertrain degradation modeling for wind farm control in curtailed conditions
(Peer reviewed; Journal article, 2024)A framework characterizing the degradation of wind turbines for use in multiple-input damage-aware farm control is suggested. The focus is on the fatigue damage of the powertrain (drivetrain + generator) system, but the ...