Dr.-Ing. Thomas Leveringhaus


30167 Hannover


Research focuses
- Optimized operational management of electric power networks (resource planning, optimized congestion management, network loss optimization, reactive power voltage optimization)
- Inter-TSO-Compensation (ITC)
- Stability in converter-dominated electric power networks
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Publications
2022
Leveringhaus, T., Kluß, L., Bekker, I., & Hofmann, L. (2022). Solving Combined Optimal Transmission Switching and Optimal Power Flow sequentially as convexificated Quadratically Constrained Quadratic Program. Electric Power Systems Research, 212, [108534].
2021
Kluß, L., Leveringhaus, T., Sarstedt, M., & Hofmann, L. (2021). Inclusion of Network Configurations in a Security Constrained Optimal Power Flow as a Mixed-Integer Quadratically Constrained Quadratic Program. Paper presented at NEIS 2021 , Hamburg, Germany.
Lotz, M. R., Majumdar, N., Beutel, V., Gerlach, J., Wegkamp, C., Hoffmann, M., Kahl, L., Wussow, J., Schlachter, H., Agert, C., Breitner, M. H., Engel, B., Geißendörfer, S., Hofmann, L., Könemund, M., Kurrat, M., Leveringhaus, T., & von Maydell, K. (2021). Potentials and Technical Requirements for the Provision of Ancillary Services in Future Power Systems with Distributed Energy Resources. In D. Schulz (Ed.), NEIS 2021 - Conference on Sustainable Energy Supply and Energy Storage Systems (pp. 53-60). VDE Verlag GmbH.
Majumdar, N., Sarstedt, M., Leveringhaus, T., & Hofmann, L. (2021). Linearized Optimization for Reactive Power Dispatch at Transmission Grid Level considering Discrete Transformer Tap-Settings. In 13th IEEE PES Asia-Pacific Power and Energy Engineering Conference 2021 (APPEEC) (Asia-Pacific Power and Energy Engineering Conference, APPEEC; Vol. 2021-November). IEEE.
Sarstedt, M., Leveringhaus, T., Kluß, L., & Hofmann, L. (2021). Comparison of Convexificated SQCQP and PSO for the Optimal Transmission System Operation based on Incremental In-Phase and Quadrature Voltage Controlled Transformers. 1. Paper presented at NEIS 2021 , Hamburg, Germany.
Wussow, J., Babazadeh, D., Beutel, V., Buchholz, S., Geissendörfer, S., Gerlach, J., Majumdar, N., von Maydell, K., Narayan, A., Hoffmann, M., Kahl, L., Leveringhaus, T., Lotz, M. R., Scheunert, A., Baboli, P. T., Tiemann, P. H., Huxoll, N., Werth, O., Agert, C., ... Weyer, H. (2021). SiNED-ancillary services for reliable power grids in times of progressive German energiewende and digital transformation. In ETG-Kongress 2021: Von Komponenten bis zum Gesamtsystem fur die Energiewende (pp. 148-153). VDE Verlag GmbH.
2020
Leveringhaus, T., & Hofmann, L. (2020). Detailed reasoning and derivation of a convexificated quadratic approximation approach for the Security Constrained Optimal Power Flow. In Proceedings - 2020 International Conference on Smart Grids and Energy Systems, SGES 2020 (pp. 261-266). [9364447] IEEE Computer Society.
2019
Breithaupt, T. J., Leveringhaus, T., & Hofmann, L. (2019). Heuristic solution of a joint electric control reserve and wholesale market model. International Journal of Modeling, Simulation, and Scientific Computing, 10(2), 1940001-1 - 1940001-20. [1940001].
2018
Leveringhaus, T., Breithaupt, T., Garske, S., & Hofmann, L. (2018). Modelling of Sequential Optimal Power Flow by Piecewise Linear Convexificated Quadratic Approximations. In 2018 International Conference on Power System Technology (POWERCON) (pp. 87-92)
Leveringhaus, T. (2018). Netzoptimierung durch Wirk-und Blindleistungsredispatch auf Basis von konvexifizierten quadratischen Näherungen der Netzgleichungen. München: Verlag Dr. Hut.
2017
Breithaupt, T., Leveringhaus, T., Rendel, T., & Hofmann, L. (2017). A MILP Approach for the Joint Simulation of Electric Control Reserve and Wholesale Markets. In F. De Rango, T. Oren, & M. S. Obaidat (Eds.), SIMULTECH 2017 - Proceedings of the 7th International Conference on Simulation and Modeling Methodologies, Technologies and Applications (pp. 314-322)
2016
Leveringhaus, T., & Hofmann, L. (2016). Optimal power flow comprising congestions and voltage management by global quadratic optimization of active and reactive power. In 2016 IEEE International Conference on Power System Technology, POWERCON 2016 (pp. 1-6). [7753927]
2015
Leveringhaus, T., & Hofmann, L. (2015). Combined and optimized redispatch management of multiple congestions and voltage deviations with active and reactive power based on AC-PTDFs with distributed slack. In 2015 IEEE Power and Energy Society General Meeting, PESGM 2015 (pp. 1-5). [7286314] (IEEE Power and Energy Society General Meeting; Vol. 2015-September).
2014
Leveringhaus, T., & Hofmann, L. (2014). Comparison of methods for state prediction: Power Flow Decomposition (PFD), AC Power Transfer Distribution factors (AC-PTDFs), and Power Transfer Distribution factors (PTDFs). In 2014 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) (March ed., pp. 1-6). (Asia-Pacific Power and Energy Engineering Conference, APPEEC).
Zimmermann, B., Knorr, K., Steinke, F., Wolfrum, P., & Leveringhaus, T. (2014). Grid Stability in a 100% Renewable Electricity Supply System: Interactions between a High Installed Capacity of Wind Power and the System.
2012
Leveringhaus, T., Breithaupt, T., & Hofmann, L. (2012). Physically based congestion management by powerflow superposition methods at optimal cost. In 2012 IEEE International Conference on Power System Technology (POWERCON) (pp. 1-5)
Rathke, C., Rendel, T., Breithaupt, T. J., Leveringhaus, T., & Hofmann, L. (2012). Influence of Offshore Wind Farms on the European Electricity Market and Transmission System. Paper presented at RAVE – International Conference 2012, Bremerhaven, Germany.
2011
Leveringhaus, T., & Hofmann, L. (2011). Optimized voltage and reactive power adjustment in power grids using the least-squares-method: Optimization of highly utilized power grids with stochastic renewable energy-sources. In 2011 International Conference on Power and Energy Systems (pp. 1-6)
2010
Leveringhaus, T., Wolter, M., & Hofmann, L. (2010). Scientific Analysis of Inter-TSO-Compensation-Algorithms by Physically-based Power Flow and Superposition Methods. In Proceedings of the Fourth IASTED Asian Conference on Power and Energy Systems: November 24 - 26, 2010, Phuket, Thailand - ACTA Press, 2010, 2010, Beitrag 701-089, S. 274-281