Blar i Institutt for elkraftteknikk på tittel
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Hybrid AC/DC-OPF ADMM model for TSO coordination with multiple DSOs in Flexibility Market
(Peer reviewed; Journal article, 2022)Unlocking potential from flexibility assets is an effective way to address power grid challenges. Proper coordination between transmission and distribution system operators (TSO and DSOs) is key to achieving this goal. ... -
Hybrid BESS/STATCOM for Improved Power Quality on Oil & Gas Platforms
(Master thesis, 2023)Kraftsystemet til offshore olje- og gassplattformer beskrives ofte som et svakt, uavhengig AC-system. Et betydelig problem knyttet til svake nett er den kraftige økningen i reaktiv effektbehov og p˚afølgende fall i ... -
A Hybrid Current- and Voltage-Source Driver for Active Driving of Series-Connected SiC MOSFETs
(Peer reviewed; Journal article, 2024)The series-connection of silicon carbide (SiC) metal-oxide-semiconductor field-effect transistors ( mosfet s) is an attractive way of increasing the blocking voltage capability of a switch. However, due to inherent transient ... -
A Hybrid Current- and Voltage-Source Driver for Active Driving of Series-Connected SiC MOSFETs
(Peer reviewed; Journal article, 2024)The series-connection of silicon carbide (SiC) metal-oxide-semiconductor field-effect transistors ( mosfet s) is an attractive way of increasing the blocking voltage capability of a switch. However, due to inherent transient ... -
Hybrid HVDC Transmission for Large-Scale Offshore Wind Integration - Model-Based Control Design and Performance Assessment
(Master thesis, 2017)Today, the world faces major challenges regarding our global environment. The most pressing challenge is global warming, and the scientific community is well aware of the catastrophic consequences an increase in global ... -
A hybrid method for day-ahead photovoltaic power forecasting based on generative adversarial network combined with convolutional autoencoder
(Peer reviewed; Journal article, 2022)Photovoltaic (PV) generation has high impact on the decarbonization pathways of power systems. Accuracy of day-ahead PV power forecasting has become crucial in the operation and control of power system with high PV ... -
Hybrid q-Rung Orthopair Fuzzy Sets Based CoCoSo Model for Floating Offshore Wind Farm Site Selection in Norway
(Journal article; Peer reviewed, 2022)Unlocking offshore wind farms' high energy generation potential requires a comprehensive multi-disciplinary analysis that consists of intensive technical, economic, logistical, and environmental investigations. Offshore ... -
Hydraulic design of a Francis turbine that will be influenced by sediment erosion
(Master thesis, 2014)High amount of sediments in the Himalayas are at present a large problem for power companies in Nepal, preventing them of utilizing the large amount of hydro power available in the area. In the Jhimruk power plant the ... -
Hydro Power Reservoir Aggregation via Genetic Algorithms
(Journal article; Peer reviewed, 2017)Electrical power systems with a high share of hydro power in their generation portfolio tend to display distinct behavior. Low generation cost and the possibility of peak shaving create a high amount of flexibility. However, ... -
Hydro power scheduling in multi-owner river systems
(Master thesis, 2010)1. Initial problem formulation 2. Iterative approach building for one reservoir 3. Testing for two cascaded reservoirs 4. Testing for four cascaded reservoirs 5. Further work -
Hydro Turbine and Governor Modelling: Electric - Hydraulic Interaction
(Master thesis, 2010)This Master s Thesis work deals with the development of improved hydro turbine models for the evaluation of a hydraulic power generating system performance in response to small disturbances in power system analysis tool. ... -
Hydro-Thermal Multi-Market Optimization
(Master thesis, 2019)Fundamental optimering av kraftsystemet er essensielt for å anskaffe korrekt beslutningsstøtte for investeringer og for optimal drift av kraftsystemet. Med en økt andel av ukontrollerbare energikilder og utfasing av kull ... -
Hydro-thermal power market equilibrium with price-making hydropower producers
(Journal article; Peer reviewed, 2018)This paper formulates an electricity market dominated by price-making hydro-thermal generation. Generation companies optimize their unit commitment, scheduling and bidding decisions simultaneously as a Mixed Integer ... -
Hydrogen Electric Airplanes: A Disruptive Technological Path to Clean Up the Aviation Sector
(Peer reviewed; Journal article, 2021)Recently, the COVID-19 pandemic has been a painful reminder of the vulnerability of the aerospace industry. It is currently facing challenges with costs, expensive fuels, and carbon emissions. In recovering the industry, ... -
Hydrogen Production from Wind and Hydro Power in Constrained Transmission Grids
(Doctoral theses at NTNU;2022:54, Doctoral thesis, 2022)Hydrogen (H2) production from variable renewable energy (VRE) sources can be an important technology for reducing CO2 emissions. Integrating electrolytic H2 production into the electricity system can contribute to this ... -
Hydrogen Production from Wind and Solar Power in Weak Grids in Norway
(Master thesis, 2017)In this thesis, the possibility of implementing an hydrogen factory in the north of Norway was studied through the simulation of the system and an optimization of the needed investment with the exclusion of the grid and ... -
Hydropower Scheduling with State-Dependent Discharge Constraints: An SDDP Approach
(Peer reviewed; Journal article, 2022)Environmental constraints in hydropower systems serve to ensure sustainable use of water resources. Through accurate treatment in hydropower scheduling, one seeks to respect such constraints in the planning phase while ... -
HydroStator : hovedfunn og resultater i KPN-prosjektet HydroStator
(SINTEF Rapport;, Research report, 2022)Modeller som beskriver temperatur- og frekvensavhengighet til elektriske delutladninger er utviklet og viser at tilstandskontroll med den mer praktiske VLF-metoden som benytter 0,1 Hz høyspenning er representativ for 50 ... -
Hydrothermal scheduling in the continuous-time framework
(Peer reviewed; Journal article, 2020)Continuous-time optimization models have successfully been used to capture the impact of ramping limitations in power systems. In this paper, the continuous-time framework is adapted to model flexible hydropower resources ... -
Hywind Powering Utsira - A reliability study of offshore wind connected to multiple oil and gas platforms
(Master thesis, 2017)Today four oil and gas platforms are being commissioned in the Utsira High area. One of the platforms is powered from shore by a 120MW/+-80 kV HVDC cable. The three other platforms will first be powered by gas turbines ...