Karin Thomas

Assessing the impact of wind farm grid connection points on power system resilience to line outages

Forsberg, Samuel; De Sena, Geoffrey; Göteman, Malin; Thomas, Karin et al.

Part of Sustainable Energy, Grids and Networks, 2026

• DOI for Assessing the impact of wind farm grid connection points on power system resilience to line outages
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On the development of a geothermal energy strategy in Sweden: Opportunities and barriers

Ask, Maria; Gehlin, Signhild; Möller, Charlotta; Thomas, Karin et al.

Part of Papers presented to the European Geothermal Congress 2025, p. 1-10, 2025

A methodology for image reproduction in virtual environments applied to an agricultural assistance function

de Fries, Martin; Irmer, Marcus; Röttgermann, Sebastian; Thomas, Karin et al.

Part of Results in Engineering (RINENG), 2025

• DOI for A methodology for image reproduction in virtual environments applied to an agricultural assistance function
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Enhanced 3D Trafficability Analysis for Large-Volume and Heavy-Duty Transports Based on High-Resolution Point Clouds

Irmer, Marcus; Kalder, Ina; Tönnemann, Marco; Degen, Rene et al.

Part of IET Intelligent Transport Systems, 2025

• DOI for Enhanced 3D Trafficability Analysis for Large-Volume and Heavy-Duty Transports Based on High-Resolution Point Clouds
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Resilience to extreme storm conditions: A comparative study of two power systems with varying dependencies on offshore wind

Forsberg, Samuel; Göteman, Malin; Thomas, Karin; Bergkvist, Mikael

Part of Results in Engineering (RINENG), 2024

• DOI for Resilience to extreme storm conditions: A comparative study of two power systems with varying dependencies on offshore wind
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Assessing the impact of wind farm grid connection points on power system resilience to line outages

Forsberg, Samuel; De Sena, Geoffrey; Göteman, Malin; Thomas, Karin et al.

Part of Sustainable Energy, Grids and Networks, 2026

• DOI for Assessing the impact of wind farm grid connection points on power system resilience to line outages
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A methodology for image reproduction in virtual environments applied to an agricultural assistance function

de Fries, Martin; Irmer, Marcus; Röttgermann, Sebastian; Thomas, Karin et al.

Part of Results in Engineering (RINENG), 2025

• DOI for A methodology for image reproduction in virtual environments applied to an agricultural assistance function
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Enhanced 3D Trafficability Analysis for Large-Volume and Heavy-Duty Transports Based on High-Resolution Point Clouds

Irmer, Marcus; Kalder, Ina; Tönnemann, Marco; Degen, Rene et al.

Part of IET Intelligent Transport Systems, 2025

• DOI for Enhanced 3D Trafficability Analysis for Large-Volume and Heavy-Duty Transports Based on High-Resolution Point Clouds
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Resilience to extreme storm conditions: A comparative study of two power systems with varying dependencies on offshore wind

Forsberg, Samuel; Göteman, Malin; Thomas, Karin; Bergkvist, Mikael

Part of Results in Engineering (RINENG), 2024

• DOI for Resilience to extreme storm conditions: A comparative study of two power systems with varying dependencies on offshore wind
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Evaluation of maximum power point tracking methods for a marine current energy converter

Fjellstedt, Christoffer; Forslund, Johan; Goude, Anders; Thomas, Karin

Part of IET Power Electronics, p. 2163-2177, 2024

• DOI for Evaluation of maximum power point tracking methods for a marine current energy converter
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Low-voltage DC collection grids for marine current energy converters: Design and simulations

Fjellstedt, Christoffer; Forslund, Johan; Thomas, Karin

Part of Renewable energy, 2024

• DOI for Low-voltage DC collection grids for marine current energy converters: Design and simulations
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Power grid vulnerability analysis using complex network theory: A topological study of the Nordic transmission grid

Forsberg, Samuel; Thomas, Karin; Bergkvist, Mikael

Part of Physica A, 2023

• DOI for Power grid vulnerability analysis using complex network theory: A topological study of the Nordic transmission grid
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Resilience to storm conditions of power systems with large dependencies on offshore wind

Forsberg, Samuel; Thomas, Karin; Bergkvist, Mikael; Göteman, Malin

Part of Journal of Physics, Conference Series, 2023

• DOI for Resilience to storm conditions of power systems with large dependencies on offshore wind
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Design of a Robust Optimal Multivariable Control for a Steer-by-Wire System

Irmer, Marcus; Thomas, Karin; Ruschitzka, Margot; Henrichfreise, Hermann

Part of SAE technical paper series, 2023

• DOI for Design of a Robust Optimal Multivariable Control for a Steer-by-Wire System

Development and Analysis of a Detail Model for Steer-by-Wire Systems

Irmer, Marcus; Degen, René; Nüssgen, Alexander; Thomas, Karin et al.

Part of IEEE Access, p. 7229-7236, 2023

• DOI for Development and Analysis of a Detail Model for Steer-by-Wire Systems
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Experimental investigation of the frequency response of an LC-filter and power transformer for grid connection

Fjellstedt, Christoffer; Forslund, Johan; Thomas, Karin

Part of Energies, 2023

• DOI for Experimental investigation of the frequency response of an LC-filter and power transformer for grid connection
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Evaluating the role of solar photovoltaic and battery storage in supporting electric aviation and vehicle infrastructure at Visby Airport

Ollas, Patrik; Ghaem Sigarchian, Sara; Alfredsson, Hampus; Leijon, Jennifer et al.

Part of Applied Energy, 2023

• DOI for Evaluating the role of solar photovoltaic and battery storage in supporting electric aviation and vehicle infrastructure at Visby Airport
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A Review of AC and DC Collection Grids for Offshore Renewable Energy with a Qualitative Evaluation for Marine Energy Resources

Fjellstedt, Christoffer; Ullah, Md Imran; Forslund, Johan; Jonasson, Erik et al.

Part of Energies, 2022

• DOI for A Review of AC and DC Collection Grids for Offshore Renewable Energy with a Qualitative Evaluation for Marine Energy Resources
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Marine Current Energy Converters to Power a Reverse Osmosis Desalination Plant

Leijon, Jennifer; Forslund, Johan; Thomas, Karin; Boström, Cecilia

Part of Energies, 2018

• DOI for Marine Current Energy Converters to Power a Reverse Osmosis Desalination Plant
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Validation of a Coupled Electrical and Hydrodynamic Simulation Model For A Vertical Axis Marine Current Energy Converter

Forslund, Johan; Goude, Anders; Thomas, Karin

Part of Energies, 2018

• DOI for Validation of a Coupled Electrical and Hydrodynamic Simulation Model For A Vertical Axis Marine Current Energy Converter
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Tidal resource characterization in the Folda Fjord, Norway

Carpman, Nicole; Thomas, Karin

Part of International Journal of Marine Energy, p. 27-44, 2016

• DOI for Tidal resource characterization in the Folda Fjord, Norway
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Experimental Results of a DC Bus Voltage Level Control for a Load-Controlled Marine Current Energy Converter

Forslund, Johan; Lundin, Staffan; Thomas, Karin; Leijon, Mats

Part of Energies, p. 4572-4586, 2015

• DOI for Experimental Results of a DC Bus Voltage Level Control for a Load-Controlled Marine Current Energy Converter
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A Back-to-Back 2L-3L Grid Integration of a Marine Current Energy Converter

Apelfrojd, Senad; Ekström, Rickard; Thomas, Karin; Leijon, Mats

Part of Energies, p. 808-820, 2015

• DOI for A Back-to-Back 2L-3L Grid Integration of a Marine Current Energy Converter
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Fast solid-state tap-change using two current-controlled voltage-source inverters

Ekström, Rickard; Thomas, Karin; Leijon, Mats

Part of IET Power Electronics, p. 2610-2617, 2014

• DOI for Fast solid-state tap-change using two current-controlled voltage-source inverters

A Permanent Magnet Generator for Energy Conversion from Marine Currents: No Load and Load Experiments

Thomas, Karin; Grabbe, Mårten; Yuen, Katarina; Leijon, Mats

Part of ISNR Renewable Energy, p. 489379, 2012

• DOI for A Permanent Magnet Generator for Energy Conversion from Marine Currents: No Load and Load Experiments
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Matching a permanent magnet synchronous generator to a fixed pitch vertical axis turbine for marine current energy conversion

Yuen, Katarina; Thomas, Karin; Grabbe, Mårten; Deglaire, Paul et al.

Part of IEEE Journal of Oceanic Engineering, p. 24-31, 2009

• DOI for Matching a permanent magnet synchronous generator to a fixed pitch vertical axis turbine for marine current energy conversion
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A low-speed generator for energy conversion from marine currents: experimental validation of simulation

Thomas, Karin; Grabbe, Mårten; Yuen, Katarina; Leijon, Mats

Part of Proceedings of the Institution of mechanical engineers. Part A, journal of power and energy, p. 381-388, 2008

• DOI for A low-speed generator for energy conversion from marine currents: experimental validation of simulation
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A low-speed generator for energy conversion from marine currents – experimental validation of simulations

Thomas, Karin; Grabbe, Mårten; Yuen, Katarina; Leijon, Mats

Part of Proceedings of the Institution of mechanical engineers. Part A, journal of power and energy, p. 381-388, 2008

Direct electric energy conversion system for energy conversion from marine currents

Leijon, Mats; Nilsson, Karin

Part of Proceedings of the Institution of mechanical engineers. Part A, journal of power and energy, p. 201-205, 2007

• DOI for Direct electric energy conversion system for energy conversion from marine currents

Direct electric energy conversion system for energy conversion from marine currents

Leijon, Mats; Thomas, Karin

Part of Proceedings of the Institution of mechanical engineers. Part A, journal of power and energy, 2007

Electromagnetic forces in the air gap of a permanent magnet linear generator at no load

Nilsson, Karin; Danielsson, Oskar; Leijon, Mats

Part of Journal of Applied Physics, 2006

Service stacking using energy storage systems for grid applications: A review

Hjalmarsson, Johannes; Thomas, Karin; Boström, Cecilia

Part of Journal of Energy Storage, 2023

• DOI for Service stacking using energy storage systems for grid applications: A review
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Low Speed Energy Conversion from Marine Currents

Thomas, Karin

2007

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On the development of a geothermal energy strategy in Sweden: Opportunities and barriers

Ask, Maria; Gehlin, Signhild; Möller, Charlotta; Thomas, Karin et al.

Part of Papers presented to the European Geothermal Congress 2025, p. 1-10, 2025

Innovative Test Field Approach for Agricultural Applications

de Fries, Martin; Irmer, Marcus; Thomas, Karin; Degen, René

Part of 2. Fachtagung TestRig, 2024

Mapping grid impedance effect by aggregated loads in LV grids

Schultz, Egil; Thomas, Karin

2024

Transportation Goes Electric: Exploring the Potential of Smart Charging Strategies for Airports

Alfredsson, Hampus; Ollas, Patrik; Ghaem Sigarchian, Sara; Aalhuizen, Christoffer et al.

p. 1-12, 2023

Design of a Model-Based Optimal Multivariable Control for the Individual Wheel Slip of a Two-Track Vehicle

Irmer, Marcus; Rosenthal, Robert; Nüßgen, Alexander; Degen, René et al.

2023

• DOI for Design of a Model-Based Optimal Multivariable Control for the Individual Wheel Slip of a Two-Track Vehicle

Direct Discrete Design of a Multivariable LQG Compensator with Combined Discretization applied to a Steer-by-Wire System

Irmer, Marcus; Degen, René; Thomas, Karin; Ruschitzka, Margot

2023

A comparison of AC and DC collection grids for marine current energy

Fjellstedt, Christoffer; Forslund, Johan; Thomas, Karin

Part of Proceedings of the 15th European Wave and Tidal Energy Conference, Bilbao, 3-7 September 2023, 2023

• DOI for A comparison of AC and DC collection grids for marine current energy
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Airports with increased electrification – an ongoing project with case studies in Sweden

Leijon, Jennifer; Hagman, Jens; Alfredsson, Hampus; Ghaem Sigarchian, Sara et al.

Part of 35th International Electric Vehicle Symposium and Exhibition (EVS35), 2022

Methodical Data Collection for Light Electric Vehicles to validate Simulation Models and fit AI-based Driver Assistance Systems

Irmer, Marcus; Ott, Harry; Degen, René; Nüßgen, Alexander et al.

2022

Large scale energy storage in Uppsala, Sweden: an analysis of voltage fluctuations and a service stacked portfolio

Hjalmarsson, Johannes; Thomas, Karin; Boström, Cecilia; Berlin, Arne et al.

Part of Proceedings of the international conference on evolving cities, p. 57-62, 2022

• DOI for Large scale energy storage in Uppsala, Sweden: an analysis of voltage fluctuations and a service stacked portfolio
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Simulations of the electrical system of a grid connected marine current energy converter

Fjellstedt, Christoffer; Forslund, Johan; Thomas, Karin

Part of Proceedings of the Fourteenth European Wave and Tidal Energy Conference, 2021

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Fault analysis of a marine current vertical-axis turbine missing two blades

Nguyen, Minh-Thao; Forslund, Johan; Thomas, Karin; Goude, Anders

Part of Proceedings of the 13th European Wave and Tidal Energy Conference, 2019

First Experimental Results of a Grid Connected Vertical Axis Marine Current Turbine using a Multilevel Power Converter

Forslund, Johan; Thomas, Karin

2018

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Power And Energy Needed For Starting A Vertical Axis Marine Current Turbine

Forslund, Johan; Thomas, Karin; Leijon, Mats

2017

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Tidal current phasing along the coast of Norway

Carpman, Nicole; Thomas, Karin

2016

Experimental Verification of a Back-to-Back 2L-3L Grid Connection System for a Marine Current Energy Converter

Apelfröjd, Senad; Thomas, Karin; Leijon, Mats

p. 294-299, 2016

Studying the Wake of a Marine Current Turbine Using an Acoustic Doppler Current Profiler

Lundin, Staffan; Carpman, Nicole; Thomas, Karin; Leijon, Mats

2015

Evaluation of Damping Strategies for Maximum Power Extraction from a Wave Energy Converter with a Linear Generator

Apelfröjd, Senad; Ekström, Rickard; Thomas, Karin; Leijon, Mats

2014

Inverter topology with integrated on-load tap change for grid-connection of renewable electric energy sources

Ekström, Rickard; Apelfröjd, Senad; Thomas, Karin; Leijon, Mats

2014

A direct drive generator for marine current energy conversion - first experimental results

Thomas, Karin; Grabbe, Mårten; Yuen, Katarina; Leijon, Mats

2007

A direct drive generator for marine current energy conversion - first experimental results

Nilsson, Karin; Grabbe, Mårten; Yuen, Katarina; Leijon, Mats

2007

Experimental setup: Low speed permanent magnet generator for marine current power conversion

Yuen, Katarina; Nilsson, Karin; Grabbe, Mårten; Leijon, Mats

Part of Proceedings of the 26th International Conference on Offshore Mechanics and Arctic Engineering, Vol 5, p. 459-462, 2007

The Marine Current Power Project at the Swedish Centre for Renewable Electric Energy Conversion

Segergren, Erik; Nilsson, Karin; Sundberg, Jan; Leijon, Mats

Part of 6th EWTEC conference, Glasgow, August 28-September 23, 2005

Point Cloud based 3D Trafficability Analysis for Large-Volume and Heavy-Duty Transports

Irmer, Marcus; Kalder, Ina; Tönnemann, Marco; Rüggeberg, Lucas et al.

Assessment of Airport Energy Storage for Electric Aircraft Charging During Faults

Buvarp, Daniel; Aalhuizen, Christoffer; Lindberg, Martin; Thomas, Karin et al.

Low Speed Generators for Marine Current Power Conversion

Nilsson, Karin

2005