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Dr.-Ing. David Sebastian Stock

Group leader

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Career  (Dr.-Ing. David Sebastian Stock)

  • Since 2021 University of Kassel Department of Energy Management and Operation of Electrical Grids Head of the "Grid Planning and Energy Management" group Supporting the group management at the department in a secondary position to the group management at Fraunhofer IEE. Cross-institutional management of a team of approx. 15 scientific employees. Coordination and guidance of scientists in public research projects and in the respective doctoral projects.
  • Since 2012 Fraunhofer Institute for Energy Economics and Energy System Technology IEE Research Division Energy Economics and Energy System Technology Head of the group "Planning and Operation of Transmission Grids" Acquisition of third-party funds (from industry and federal funds) of over € 10 million as overall and sub-project coordinator. Establishment of a competence area for non-linear mathematical optimization in the research field of electrical grids. Cross-institutional management of a team of approx. 15 scientific employees.
  • 2011 - 2012 Fraunhofer Institute for Wind Energy and Energy System Technology IWES Research Division Energy Economics and Grid Operation, Research Associate in the "Transmission Grids" group Project processing, project acquisition, project coordination and organization of national and European research and development projects. Contributing to the development of the group in terms of content and personnel.
  • 2010 PricewaterhouseCoopers AG Düsseldorf Utilities and Regulation (Advisory) Voluntary internship Design and program implementation of VBA scripts to improve the efficiency of a variety of internal processes.
  • 2002 - 2003 Sappi Alfeld AG Energy electronics technician specializing in operating technology Planning and implementation of maintenance measures for the electrical and power electronics part of paper machines.
  • 2014 - 2019 Doctoral engineer (Dr.-Ing.) Leibniz University of Hanover Department of Electrical Power Supply Topic of doctoral thesis: "Development of a flexible optimization tool for non-linear mathematical multi-objective optimization in grid management and grid planning". ISBN: 978-3-8396-1598-0 Predicate: Passed with distinction.
  • 2006 - 2011 Master of Science (M. Sc.) - Industrial Engineering Leibniz University of Hanover Technical focus: Electrical power engineering Economic focus: Controlling Topic of the Master's thesis: "Investigation of the European balancing power market and development of a simulation model for integration into a European electricity trading simulator". Grade: very good.
  • 1999 - 2002 Energy electronics technician specializing in operating technology Sappi Alfeld AG, Alfeld, Germany

Main research areas  (Dr.-Ing. David Sebastian Stock)

  • Transmission grid planning
  • Nonlinear optimization
  • New concepts for ancillary services

Publications  (Dr.-Ing. David Sebastian Stock)

  1. D. S. Stock, Y. Harms, D. Mende and L. Hofmann, "Robust nonlinear mathematical transmission expansion planning based on German electricity market simulation", Journal of Electric Power Systems Research, vol. 189, 2020, doi: 10.1016/j.epsr.2020.106685.
  2. Denis Mende, D. S. Stock, Lutz Hofmann: 'Implementation, Verification and Application Examples of a Mathematical Optimization for Grid Operation in Mixed AC/DC-Systems', Cigré Symposium Aalborg (Going Offshore: Challenges Of The Future Power Grid), Denmark, 2019.
  3. S. Talari, D. Mende, D. S. Stock, M. Shafie-khah and J. P. S. Catalão, "Stochastic Demand Side Management in European Zonal Price Market," 2019 International Conference on Smart Energy Systems and Technologies (SEST), Porto, Portugal, 2019, pp. 1-6.
  4. D. S. Stock, F. Sala, A. Berizzi, and L. Hofmann, "Optimal Control of Wind Farms for Coordinated TSO-DSO Reactive Power Management," Energies, vol. 11, no. 1, p. 173, www.mdpi.com/1996-1073/11/1/173/pdf, 2018.
  5. Denis Mende, Holger Becker, D. S. Stock, Walter Schittek, Lutz Hofmann, 'Models for the analysis of the frequency behavior of extended transmission systems', 15th Symposium Energy Innovation, Graz, 2018.
  6. Alev Akbulut, Holger Becker, Denis Mende, D. S. Stock, Lutz Hofmann: Neighboring System as Black Start Source and Restoration Process based on the VSC-HVDC as Tie Line', 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe), Warsaw, 2017.
  7. Holger Becker, Akim Naranovich, Tobias Hennig, Alev Akbulut, Denis Mende, D. S. Stock, Lutz Hofmann: 'System Restoration using VSC-HVDC connected Offshore Wind Power Plant as Black-Start Unit', 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe), Warsaw, 2017.
  8. Denis Mende, Diana Böttger, Lothar Löwer, Holger Becker, Alev Akbulut, D. S. Stock: 'About the Need of Combining Power Market and Power Grid Model Results for Future Energy System Scenarios', SciGRID International Conference on Power Grid Modeling / Journal of Physics: Conference Series, Oldenburg, 2017.
  9. D. S. Stock, A. Venzke, T. Hennig, and L. Hofmann, "Model predictive control for reactive power management in transmission connected distribution grids," in 2016 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC), Xi'an, China, pp. 419-423.
  10. D. S. Stock, A. Venzke, L. Lower, K. Rohrig, and L. Hofmann, "Optimal reactive power management for transmission connected distribution grid with wind farms," in 2016 IEEE Innovative Smart Grid Technologies - Asia (ISGT-Asia), Melbourne, Australia, pp. 1076-1082.
  11. T. Hennig, M. von Bonin, K. Rohrig, D. S. Stock, and L. Hofmann, "Investigation on reliability-driven network expansions of offshore transmission systems," in 2016 IEEE Innovative Smart Grid Technologies - Asia (ISGT-Asia), Melbourne, Australia, Nov. 2016 - Dec. 2016, pp. 653-658.
  12. Denis Mende, D. S. Stock, Tobias Hennig, Lothar Löwer, Lutz Hofmann: 'Effizientes Engpassmanagement im Spannungsfeld von technischer und wirtschaftlicher Optimierung', VDE-Kongress 2016, Mannheim, 2016.
  13. Denis Mende, D. S. Stock, Tobias Hennig, Lothar Löwer, Lutz Hofmann: 'Multiobjective Optimization in Congestion Management Considering Technical and Economic Aspects', IEEE PES Asia-Pacific Power and Energy Engineering Conference, Xi'an, 2016.
  14. D. S. Stock; Hofmann, L. (2016): Modern optimization methods for the operation of wind farm clusters in Northern Germany, 14th Symposium on Energy Innovation 'Energy for our Europe', Graz, 10-12 February 2016.
  15. M. Shan, F. Welck, W. Shan, H. Becker and D. S. Stock, "Operating Wind Turbines as Dynamically Controllable Loads in Grid-Restoration Scenarios" in 15th Wind Integration Workshop: International Workshop on Large-Scale Integration of Wind Power into Power Systems as well as on Transmission Networks for Offshore Wind Power Plants : November 15-17, 2016, Vienna, Austria : proceedings, 2016, pp. 362-369.
  16. D. S. Stock; Wildenhues, S.; Henning, T.; Hofmann, L. (2015): Integration of large amounts of wind energy into the electrical grid through intelligent grid analysis and cluster operation management, 2nd Technical Congress "Future Power Grids for Renewable Energies", Berlin, January 27-28, 2015.
  17. Hennig, T.; Löwer, L.; Faiella, L. M.; D. S. Stock.; Jansen, M.; Hofmann, L.; Rohrig, K. (2014): Ancillary Services Analysis of an Offshore Wind Farm Cluster - Technical Integration Steps of a Simulation Tool , EERA DeepWind'2014, 11th Deep Sea Offshore Wind R&D Conference, available at Energy Procedia, vol. 53, pp. 114-123, 2014.
  18. Hofmann, L.; Hauser, E.; Binder, J.; D. S. Stock; Knorr, K; Rohrig, K. (2014): System stability with and through renewable energies, FVEE Annual Conference, Berlin, November 6-7, 2014.
  19. Degner,T.; Geibel, D.; Hennig, T.; D. S. Stock. (2014): Evaluation methods of grid stability with a large share of converter-coupled generators, 1st Technical Congress "Future Power Grids for Renewable Energies", Berlin, January 29-30, 2014.
  20. Hofmann, L.; D. S. Stock; Faiella, M.; Löwer, L. (2013): System services through wind energy, Wind Energy Report Germany 2012, Fraunhofer IWES, Kassel, Fraunhofer Verlag, 2013.
  21. Rohrig, K., D. S. Stock; Support of grid operation by wind farms and wind farm clusters, Conference Of The Windpower Engineering Community, June 18-19, 2013, Berlin.
  22. D. S. Stock, Faiella, M., Löwer, L., Rohrig, K., Hofmann, L., Knorr, K. (2012): Improving Grid Integration of Wind Energy Power Plants, German Wind Energy Conference DEWEK 2012, Bremen, Germany, September 07-08, 2012.

Patents

  1. DE102017215821 (A1) - "Method and system for a system reconstruction of an onshore grid". Inventors: Becker, Holger; Naranovich, Akim; Hennig, Tobias; Akbulut, Alev; Mende, Denis; Stock, David Sebastian. 07.03.2019.
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