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Logo Institut für Hochspannungstechnik und Energiesysteme der TU Braunschweig
Sauer Timo
  • Research Staff
    • Brammer Sofie
    • Bösche Dirk
    • Cziumplik David
    • Dubowik Alexander
    • Ebbert Lukas
    • Eickelmann Jens
    • Essers Julien
    • Farshadi Abdolhamid
    • Ferk Merle
    • Flügel Karen
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    • Göhrmann Mats
    • Gorkow Nelly
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    • Holdorf Merit
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    • Klöpping Stefan
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    • Köppe Hartmudt
    • Kurrat Christiane
    • Landrath Oliver
    • Langemann Robin
    • Laufer Andreas
    • Lüdecke Marcel
    • Meinert Michel
    • Nebelsiek Marvin
    • Niehs Eike
    • Pape Marlene
    • Preißner Kevin
    • Reuter Kira
    • Rollin Anna
    • Sauer Timo
    • Schmidt Matthias
    • Soyck Frank
    • Tiedemann Laura
    • Tiedt Frederik
    • Ulbig Michael
    • Wagner Henrik
    • Walujski Stefanie
    • Wegkamp Carsten
    • Winter Oliver
    • Witt Fabian
    • Zeng Fanke

Sauer Timo

Timo Sauer, M.Sc.


Timo Sauer
Room: 232
Telephone: +49 531 391 7721
Telefax: +49 531 391 8106
E-Mail:
Officehours: jederzeit nach Vereinbarung
Workgroup: Energiesysteme

Research

  • Research project H2 Terminal TUBS - Establishment of a hydrogen competence center on the campus of the Technical University of Braunschweig - Research focus: Grid integration and system services by electrolysers and battery storage systems
  • GFI Pilot research project – Pilot studies and development of operating concepts for the rollout of grid-forming battery converters in medium and low voltage systems
  • Grid- and system-friendly integration of (grid-forming) electrolysis plants and (grid-forming) battery storage systems
  • Collaboration in the focus group smart grid in the research group Network dynamics and system stability

 

Studentic theses

Assigned

  • Assessment of the plant- and voltage-level-specific influence of grid-forming battery storage systems on the short-term frequency stability of the interconnected grid

Finished

  • Development and evaluation of different abstracted AEM electrolyzer models for dynamic grid stability studies
  • Analysis of the potential of electrolysers to meet future instantaneous reserve requirements
  • Analysis and evaluation of the influence of highly dynamic frequency maintenance mechanisms on future demand for instantaneous reserve
  • Investigation and evaluation of the integration of emergency power systems into an industrial network including a gas and steam power plant in the context of a blackout scenario
  • Economic evaluation of the synergy potential of a hybrid battery storage electrolyzer project
  • Optimization of balancing processes in industrial battery storage systems
  • Evaluation of the potential of different types and topologies of electrolysis rectifiers in terms of their suitability for the power grid and processes
  • Evaluation of different topologies of electrolysis rectifiers for the provision of system services
  • Assessment of the energy industry integration possibilities of electrolysers and battery storage systems for energy flexibility, taking into account regulatory framework conditions for sustainable green energy storage
  • Development of an operating strategy for the combination of battery storage system, electrolyzer, and PV system using mathematical optimization
  • Design and development of a dashboard for the public presentation of project-specific research aspects of the Hydrogen Terminal Braunschweig research project
  • Development of a voltage-regulated electrolysis model for investigating dynamic power consumption
  • Development of an operating strategy for the combination of battery storage, electrolyzer and PV system
  • Development of an electric electrolyzer model including dynamic power control to provide frequency stabilizing measures
  • Optimization of the prime costs for power-to-X products in Python
  • Implementation of current limiting of grid-forming inverters for unbalanced grid fault situations
  • Development of a dynamic model to analyze the potential of providing inertia from electrolysers

 

Publications

  • Sauer, T., Ferk, M., Suilmann, M., Engel, B.: Synergy effects in the operation of a revenue-optimised hybrid power system including battery storage system, electrolyser and photovoltaics, , 9th Hybrid Power Plants & Systems Workshop (HYB 2025), Hybrid Conference, Åland Islands, Finland, 3.- 4. Juni 2025, S. 126-133. DOI: 10.1049/icp.2025.2382
  • Grobler, J., Sauer, T., Gand, M., Engel, B.: Representative power profiles for inertia provision by a grid-forming inverter in the low-voltage power grid, , 23rd Wind & Solar Integration Workshop (WIW 2024), Hybrid Conference, Helsinki, Finland, 8.-11. Oktober 2024, S. 469-476. DOI: 10.1049/icp.2024.3833
  • Sauer, T., Grobler, J., Dammann, B., Engel, B.: Analysis of the systemic potential and normal operation behaviour of grid-forming electrolysers to cover the future inertia demand, , 23rd Wind & Solar Integration Workshop (WIW 2024), Hybrid Conference, Helsinki, Finland, 8.-11. Oktober 2024, S. 397-404. DOI: 10.1049/icp.2024.3824
  • Walujski, S., Sauer, T., Engel, B.: Interrelation between inertia and frequency-dependent active power control in case of system splits, 23rd Wind & Solar Integration Workshop (WIW 2024), Helsinki, Finland, 8.-11. Oktober 2024. DOI: 10.1049/ICP.2024.3775
  • Sauer, T., Gorkow, N., Engel, B.: Control strategies of electrolyzers to contribute inertia and fast frequency reserve in context of a megawatt-scale hydrogen living-lab, , 22nd Wind and Solar Integration Workshop (WIW 2023), Copenhagen, Denmark, 26.-28. September 2023, S. 139-146. DOI: 10.1049/icp.2023.2729
  • Rauscher, F., Zimmermann, V., Sauer, T., Engel, B.: Bereitstellung von Momentanreserve aus Mittel- und Niederspannungsnetzen, EnInnov2022 - 17. Symposium Energieinnovation, Graz, Austria (online), 16.-18. Februar 2022
  • Sauer, T., Tiedt, F., Rauscher, F., Engel, B.: Vergleich verschiedener Wechselrichterregelungen in Netzfehlersituationen im Netzdynamiklabor, EnInnov2022 - 17. Symposium Energieinnovation, Graz, Austria (online), 16.-18. Februar 2022
  • Rauscher, F., Sauer, T., Engel, B.: Experimental validation of current limitation methods for grid forming inverters, Virtual 19th Wind Integration Workshop, Online, 11.-12. November 2020
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