Power Electronics and Grids

The integration of renewable energies into our energy system is increasing - and with it the electrification of the energy supply in the electricity, heating and mobility sectors. Due to increasing sector coupling, the electricity grid is increasingly becoming a hub for the integration of renewable energies. Electricity passes through numerous power-electronic conversion stages on its way from generation to end use. As a result, the proliferation of power converters and digital systems associated with the expansion of renewable energies is increasing in all market segments.

Power electronics is a key technology for the integration of renewable energies and storage systems. Using the newest components and technologies - e.g. based on SiC and GaN semiconductors - significant advantages can be achieved at system level. These are essential in order to achieve the expansion targets set for the energy transition with the available and accessible raw material resources.

The interoperability, digitalization and modelling of energy systems are also becoming increasingly important. In a decentralized power grid without conventional power plants, power converters will be responsible for system stability in the future. However, the upgrading of loads to include grid-supporting functions and energy management will also be more important.

We support our industrial partners in this area with both our expertise and our highly-tech infrastructure in the "Center for Power Electronics and Sustainable Grids".

Research Topics

In the Business Area "Power Electronics and Grids​", our work focuses on the following research topics:

 

Power Converters

 

High-Power Electronics and System Engineering

 

Smart Metering and Grid Control

 

Grid Planning and Operation

 

Converter-Based Power Grids and System Stability

 

Key Topic

Medium Voltage –
A Resource-Efficient Way to Interconnect

 

Press Release

Fraunhofer ISE Goes with Medium Voltage for Resource Efficiency in PV Plants

Services and R&D Infrastructure

We support our industrial partners with both our expertise and our highly modern infrastructure in the "Center for Power Electronics and Sustainable Grids". The center is complemented by our accredited "TestLab Power Electronics", where our experts test and characterize power converters up to the multi-megawatt range. We also have access to a 5 MW PV power plant in Dürbheim in the Swabian Alb for research and development purposes.

 

R&D Infrastructure

Center for Power Electronics and Sustainable Grids

  • Independent connection to the high-voltage grid
  • Power electronics in the multi-megawatt range in low and medium voltage
  • Highly dynamic 1 MVA grid simulator 
  • The Power Converters Lab, Digital Grid Lab, Multi-Megawatt Lab and Medium Voltage Lab provide unique opportunities for research and development in the field of power electronics and dynamic grid control.
 

Accredited Lab

TestLab Power Electronics

Testing and characterization of power converters up to the multi-megawatt range for photovoltaic and battery applications, combined heat and power plants and DC fast-charging stations for electromobility.

Typical measurement campaigns relate to grid connection guidelines, efficiency levels, temperature-dependent derating and customer-specific tests and benchmarks.

Contact

Christian Schöner

Contact Press / Media

Christian Schöner

Power Electronics and Grids

Fraunhofer ISE
Heidenhofstr. 2
79110 Freiburg

Phone +49 761 4588-2078

Stefan Reichert

Contact Press / Media

Stefan Reichert

Power Converters

Fraunhofer ISE
Heidenhofstr. 2
79110 Freiburg

Phone +49 761 4588-5476

Andreas Hensel

Contact Press / Media

Andreas Hensel

High-Power Electronics and System Engineering

Fraunhofer ISE
Heidenhofstr. 2
79110 Freiburg

Phone +49 761 4588-5842

Marco Mittelsdorf

Contact Press / Media

Marco Mittelsdorf

Smart Grid Control

Fraunhofer ISE
Heidenhofstr. 2
79110 Freiburg

Phone +49 761 4588-5446

Bernhard Wille-Haußmann

Contact Press / Media

Dr. Bernhard Wille-Haußmann

Grid Planning and Operation

Fraunhofer ISE
Heidenhofstr. 2
79110 Freiburg

Phone +49 761 4588-5443

Roland Singer

Contact Press / Media

Roland Singer

Converter-Based Power Grids and System Stability

Fraunhofer ISE
Heidenhofstr. 2
79110 Freiburg

Phone +49 761 4588-5948

Robert Kohrs

Contact Press / Media

Dr. Robert Kohrs

Smart Grids

Fraunhofer ISE
Heidenhofstr. 2
79110 Freiburg

Phone +49 761 4588-5708

Sönke Rogalla

Contact Press / Media

Dr. Sönke Rogalla

Power Electronics and Grid Integration

Fraunhofer ISE
Heidenhofstr. 2
79110 Freiburg

Phone +49 761 4588-5454

Bruno Burger

Contact Press / Media

Prof. Dr. Bruno Burger

Power Electronics; Energy-Charts

Fraunhofer ISE
Heidenhofstr. 2
79110 Freiburg

Phone +49 761 4588-5237

Current Publications on the Topic “Power Electronics and Grids”

Jahr
Year
Titel/Autor:in
Title/Author
Publikationstyp
Publication Type
2026 Avoiding flawed transmission system stability assessments with improved equivalent models of active distribution networks
Ungerland, Jakob; Biener, Wolfgang; Schöll, Christian
Zeitschriftenaufsatz
Journal Article
2026 Standardized assessment of PV array simulators
Zwahlen, Theo; Joss, David; Messner, Christian; Bucher, Christof; Borgna, Luciano; Gafert, Michael; Eyhorn, Steffen; Wenger, Lara; Bründlinger, Roland
Zeitschriftenaufsatz
Journal Article
2026 Wallbox Inspection - Evaluating Solar Controlled Charging of EV Charging Equipment
Wille-Haußmann, Bernhard; Körber, Jan; Senthil Kumar, Vishnu Karthik; Orth, Nico; Bergner, Joseph
Zeitschriftenaufsatz
Journal Article
2026 Virtual Synchronous Machine Testing and System Split Resilience: A Comparative Analysis with Grid-Following PV Inverters
Okikiola Lawal, Ibrahim; Schulte, Horst; Salman, Ammar
Zeitschriftenaufsatz
Journal Article
2026 Quantifying the impact of improved heat pumps in Germany's residential sector: A simulation-based scenario analysis
Yassin, Karim; Vadadkar, Sahil Vishram; Rodenbücher, Beatrice; Fugmann, Hannes; Trötschler, Norman; Joos, Lukas; Reichert, Stefan; Henning, Hans-Martin; Velte-Schäfer, Andreas
Zeitschriftenaufsatz
Journal Article
2026 Umrichter integrieren: In Wechselwirkung mit der Schutztechnik
Eichner, Stefan; Keil, Timo
Zeitschriftenaufsatz
Journal Article
2026 Dynamic Performance of Parallel Heterogeneous Grid-Forming Inverters During Islanding and Grid Resynchronization
Ahmadimonfared, Zahra; Eichner, Stefan
Zeitschriftenaufsatz
Journal Article
2026 Exploring the tabular foundation model TabPFN for performance map prediction of variable-speed heat pumps and compressors
Vadadkar, Sahil Vishram; Rodenbücher, Beatrice; Kropp, Michael; Morawietz, Katharina; Henning, Hans-Martin; Lämmle, Manuel; Velte-Schäfer, Andreas
Zeitschriftenaufsatz
Journal Article
2025 Integrated cloud platform for energy management of self-sustainable island communities
Jelic, Marko; Corrêa, Dayanne Peretti; Jelic, Dea; Berbakov, Lazar; Werner, Daniel; Maruf, Md Nasimul Islam; Lázaro, Ignacio; Fernández, Izaskun; Keane, Marcus; Tomasevic, Nikola
Zeitschriftenaufsatz
Journal Article
2025 Cost sharing mechanisms for carbon pricing: What drives support in the housing sector?
Kaestner, Kathrin; Sommer, Stephan; Berneiser, Jessica; Henger, Ralph; Oberst, Christian
Zeitschriftenaufsatz
Journal Article
2025 Development of a Pricing Model for the Reactive Power Supply via Statcom Capability of a Real PV Power Plant
Köppe, Hartmudt; Schuster, Merten; Eichner, Stefan; Grab, Robin; Sass, Florian; Engel, Bernd
Zeitschriftenaufsatz
Journal Article
2025 Stability Assessment of Fully Inverter-Based Power Systems Using Grid-Forming Controls
Ahmadimonfared, Zahra; Eichner, Stefan
Zeitschriftenaufsatz
Journal Article
2024 Case Study: Interoperability of Two Independently Designed Grid-forming Converters
Denninger, Rebekka; Erckrath, Tobias; Ernst, Philipp; Rogalla, Sönke; Singer, Roland; Unruh, Peter; Jung, Marco; Brandl, Ron
Zeitschriftenaufsatz
Journal Article
2024 Grid‐forming Converters in Interconnected Power Systems: Requirements, Testing Aspects, and System Impact
Rogalla, Sönke; Ernst, Philipp; Lens, Hendrik; Schaupp, Thomas; Schöll, Christian; Singer, Roland; Ungerland, Jakob
Zeitschriftenaufsatz
Journal Article
2024 A Climate-Neutral Smart City District Supported by Digital Solutions
Elberzhager, Frank; Hupp, Steffen; Polst, Svenja; Stüpfert, Phil; Surmann, Arne
Aufsatz in Buch
Book Article
2024 Technologies for Climate Neutral Districts: Agent Based Energy Management and Blockchain Based Organization for Energy Communities
Surmann, Arne; Utz, Manuel
Aufsatz in Buch
Book Article
2024 Feeling the breeze? Ventilation practices and occupant requirements for mechanical ventilation in residential buildings
Berneiser, Jessica; Auerswald, Sven; Maier, Diana; Gölz, Sebastian; Carbonare, Nicolas; Pflug, Thibault
Zeitschriftenaufsatz
Journal Article
2024 Dynamic Modelling and Grid Integration of Thyristor Connected PEM Electrolysis Plants
Salman, Ammar; Eichner, Stefan; Wunsch, Anna; Franzetti, Irene; Singer, Roland; Höhn, Sebastian; Rauscher, Florian; Robin, Dominik; Deiml, Georg
Zeitschriftenaufsatz
Journal Article
2023 Stochastic Nonlinear Model Predictive Control for a Switched Photovoltaic Battery System
Groß, Arne; Wille-Haußmann, Bernhard; Wittwer, Christof; Achzet, Benjamin; Diehl, Moritz
Zeitschriftenaufsatz
Journal Article
2023 Genetic algorithm optimization for parametrization, digital twinning, and now-casting of unknown small- and medium-scale PV systems based only on on-site measured data
Guzman Razo, Dorian Esteban; Madsen, Henrik; Wittwer, Christof
Zeitschriftenaufsatz
Journal Article
2023 Evaluation of Equivalent Dynamic Active Distribution Network Models with Individual and Aggregated Consideration of Grid Forming Converters
Ungerland, Jakob; Lens, Hendrik
Zeitschriftenaufsatz
Journal Article
2023 Ultrafast GaAs MOVPE growth for power electronics
Lackner, David; Urban, Theresa; Lang, Robin; Pellegrino, Carmine; Ohlmann, Jens; Dudek, Volker
Zeitschriftenaufsatz
Journal Article
2023 Wie agieren Quartiere netzverträglich? Flexibilitätspotenziale der Vor-Ort-Versorgung
Flemming, Sebastian; Bender, Tom; Surmann, Arne
Zeitschriftenaufsatz
Journal Article
2023 Demonstrating Clean Energy Transition Scenarios in Sector-Coupled and Renewable-Based Energy Communities
Maruf, Md Nasimul Islam; Mahmud, Shadman; Pasarín, Iván S.; Giani, Federico; Degrave, Aurélien; Guerra, Carlos Funez; Lopez, Susana; Mesonero, Ivan
Zeitschriftenaufsatz
Journal Article
2023 Dynamic pricing and the flexible consumer - Investigating grid and financial implications: A case study for Germany
Stute, Judith; Kühnbach, Matthias
Zeitschriftenaufsatz
Journal Article
2023 Großer Wurf oder leeres Versprechen? Attraktivität und Wirtschaftlichkeit der Gemeinschaftlichen Gebäudeversorgung
Kühnbach, Matthias; Surmann, Arne; Oberfeier, Paula
Zeitschriftenaufsatz
Journal Article
2023 Analysing Grid-Level Effects of Photovoltaic Self-Consumption Using a Stochastic Bottom-up Model of Prosumer Systems
Karalus, Steffen; Köpfer, Benedikt; Guthke, Philipp; Killinger, Sven; Lorenz, Elke
Zeitschriftenaufsatz
Journal Article
2023 A Voltage Sensitivity Based Equivalent for Active Distribution Networks Containing Grid Forming Converters
Ungerland, Jakob; Poshiya, Nikhilkumar; Biener, Wolfgang; Lens, Hendrik
Zeitschriftenaufsatz
Journal Article
2023 Power Module Design for GaN Transistors Enabling High Switching Speed in Multi-Kilowatt Applications
Wöhrle, Dennis; Burger, Bruno; Ambacher, Oliver
Zeitschriftenaufsatz
Journal Article
2022 Beyond good faith: Why evidence-based policy is necessary to decarbonize buildings cost-effectively in Germany
Singhal, Puja; Pahle, Michael; Kalkuhl, Matthias; Levesque, Antoine; Sommer, Stephan; Berneiser, Jessica
Zeitschriftenaufsatz
Journal Article
2022 Tripling land use in West Africa
Berneiser, Jessica; Bingwa, Brendon
Zeitschriftenaufsatz
Journal Article
2022 Datenblatt-Wirkungsgrad kein Entscheidungskriterium
Hensel, Andreas; Hans, Franziska Alina; Eyhorn, Steffen
Zeitschriftenaufsatz
Journal Article
2022 Dekarbonisierung der Industrie - Treiber, Hemmnisse und Handlungsoptionen
Riedel, Franziska Sophie; Vogel, Moritz; Berneiser, Jessica; Kucknat, Johanna
Zeitschriftenaufsatz
Journal Article
2022 Integrating flexibility provision into operation planning: A generic framework to assess potentials and bid prices of end-users
Wanapinit, Natapon; Thomsen, Jessica; Weidlich, Anke
Zeitschriftenaufsatz
Journal Article
2022 Renewable Energy Communities as Modes of Collective Prosumership: A Multi-Disciplinary Assessment, Part I - Methodology
Chaudhry, Shubhra; Surmann, Arne; Kühnbach, Matthias; Pierie, Frank
Zeitschriftenaufsatz
Journal Article
2022 Lohnt sich die österreichische Energiegemeinschaft auch für Deutschland? Eine Fallstudie
Surmann, Arne; Erge, Thomas; Kühnbach, Matthias; Kohrs, Robert
Zeitschriftenaufsatz
Journal Article
2022 Comparing the Energy System of a Facility with Uncertainty about Future Internal Carbon Prices and Energy Carrier Costs Using Deterministic Optimisation and Two-Stage Stochastic Programming
Gorbach, Oliver Gregor; Thomsen, Jessica
Zeitschriftenaufsatz
Journal Article
2022 Renewable Energy Communities as Modes of Collective Prosumership: A Multi-Disciplinary Assessment, Part II - Case Study
Chaudhry, Shubhra; Surmann, Arne; Kühnbach, Matthias; Pierie, Frank
Zeitschriftenaufsatz
Journal Article
2022 Give Up Flights? Psychological Predictors of Intentions and Policy Support to Reduce Air Travel
Berneiser, Jessica; Becker, Annalena; Loy, Laura
Zeitschriftenaufsatz
Journal Article
2022 Artificial Intelligence for Electricity Supply Chain automation
Richter, Lucas; Lehna, Malte; Marchand, Sophie; Scholz, Christoph; Dreher, Marian Alexander; Klaiber, Stefan; Lenk, Steve
Zeitschriftenaufsatz
Journal Article
2022 Find the balance: How do electricity tariffs incentivize different system services from demand response?
Wanapinit, Natapon; Thomsen, Jessica; Weidlich, Anke
Zeitschriftenaufsatz
Journal Article
2022 Modeling of Photovoltaic Inverter Losses for Reactive Power Provision
Grab, Robin; Hans, Franziska Alina; Rojas Flores, Mariano Ivan; Schmidt, Heribert; Rogalla, Sönke; Engel, Bernd
Zeitschriftenaufsatz
Journal Article
2021 Microgrid Systems: Towards a Technical Performance Assessment Frame
Marchand, Sophie; Monsalve, Cristian; Reimann, Thorsten; Heckmann, Wolfram; Ungerland, Jakob; Lauer, Hagen; Ruhe, Stephan; Krauß, Christoph
Zeitschriftenaufsatz
Journal Article
2021 Barriers to internal carbon pricing in German companies
Riedel, F.; Gorbach, Gregor; Kost, Christoph
Zeitschriftenaufsatz
Journal Article
2020 Systemic Evaluation of Effects of Regional Self-Supply Targets on the German Electricity System Using Consistent Scenarios and System Optimization
Senkpiel, Charlotte; Hauser, Wolfgang
Zeitschriftenaufsatz
Journal Article
2019 Electric Vehicles' Impacts on Residential Electric Local Profiles - A Stochastic Modelling Approach Considering Socio-Economic, Behavioural and Spatial Factors
Fischer, David; Harbrecht, A.; Surmann, Arne; McKenna, Russell
Zeitschriftenaufsatz
Journal Article
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