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Christian A. Hans

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Address

Dipl.-Ing. Christian A. Hans

Technische Universität Berlin
Fachgebiet Regelungssysteme
Sekretariat EN11
Einsteinufer 17
D-10587 Berlin
Germany
Office: EN 240 (Elektrotechnik Neubau)
Phone: +49 30 314-23573
Fax: +49 30 314-21137
Email: hans@control.tu-berlin.de

Research

My research focuses on control concepts for microgrids. Here I am especially interested in the optimal operation of islanded microgrids.

Brief Biography

I studied electrical engineering at RWTH Aachen University and at the UPM in Madrid. There I mainly dealt with generation, transport and storage of electrical energy from renewable sources. Working as a student research assistant at Prof. De Doncker's and Prof. Sauer's institute I got familiar with power electronics, applied control engineering and electrochemical storage systems. Supervised by Prof. Moser I turned my attention to the destabilising effect of photovoltaic generators in weak electrical grids in my final thesis. From 2010 to 2015 I engaged in control issues in low inertia microgrids as development engineer at Younicos AG, Berlin. Since December 2012 I am doctoral candidate at the Control Systems Group at TU Berlin supported by the Reiner Lemoine Foundation. From September to December 2014 I have been a visiting student at Prof. Bemporad's DYSCO research unit at IMT Lucca.

Publications

C. A. Hans, P. Braun, J. Raisch, L. Grüne, C. Reincke-Collon. Hierarchical Distributed Model Predictive Control of Interconnected Microgrids. 2017. Submitted.
A. Krishna, C. A. Hans, J. Schiffer, J. Raisch, T. Kral. Steady state evaluation of distributed secondary frequency control strategies for microgrids in the presence of clock drifts. In 25th Mediterranean Conference on Control and Automation (MED), Valletta, Malta, 2017.
J. Schiffer, C. A. Hans, T. Kral, J. Raisch, R. Ortega. Modelling, Analysis and Experimental Validation of Clock Drift Effects in Low-Inertia Power Systems. IEEE Transactions on Industrial Electronics, 64 (7):5942–5951, 2017.
H. Zhou, C. A. Hans, W. Zhang. Minimax model predictive operation control of grid-connected microgrids. In IEEE Conference on Control Applications (CAA), pages 58–63, Buenos Aires, Argentina, 2016.
C. A. Hans, P. Sopasakis, A. Bemporad, J. Raisch, C. Reincke-Collon. Scenario-Based Model Predictive Operation Control of Islanded Microgrids. In 54th IEEE Conference on Decision and Control (CDC), pages 3272–3277, Osaka, Japan, 2015.
C. A. Hans, V. Nenchev, J. Raisch, C. Reincke-Collon. Approximate Closed-Loop Minimax Model Predictive Operation Control of Microgrids. In European Control Conference (ECC), pages 241–246, Linz, Austria, 2015.
V. Nenchev, C. A. Hans. Optimal Adaptive Predictive Control of a Combustion Engine. In European Control Conference (ECC), pages 1409–1413, Linz, Austria, 2015.
J. Schiffer, R. Ortega, C. A. Hans, J. Raisch. Droop-Controlled Inverter-Based Microgrids are Robust to Clock Drifts. In American Control Conference (ACC), pages 2341–2346, Chicago, IL, USA, 2015.
C. A. Hans, V. Nenchev, J. Raisch, C. Reincke-Collon. Minimax Model Predictive Operation Control of Microgrids. In 19th IFAC World Congress, pages 10287–10292, Cape Town, South Africa, 2014.

Supervised Theses

P. Zitzlaff. Distributed Secondary Voltage Control of Islanded Microgrids with Reactive Power Sharing. Master Thesis, TU Berlin, Germany, 2017.
A. Schödl. Distributed Model Predictive Secondary Voltage Control of Islanded Microgrids. Master Thesis, TU Berlin, Germany, 2017.
A. Forel. Distributed Model Predictive Operation Control of Interconnected Microgrids. Master Thesis, TU Berlin, Germany, KTH, Stockholm, Schweden ENSE3, Grenoble, France, 2017.
J. Theune. Distributed Model Predictive Secondary Control of Islanded Microgrids. Master Thesis, TU Berlin, Germany, 2016.
E. Klages. Time Series Based Forecasting of Renewable Power Infeed for the Operation of Microgrids. Master Thesis, TU Berlin, Germany, 2016.
H. Zhou. Grid Connected Model Predictive Operation Control of Microgrids. Bachelor Thesis, TU Berlin, Germany, 2015.
J. Hofmeister. Evaluation von Verfahren zur Testautomatisierung in der modellbasierten Entwicklung von Regelungen für Leistungselektronik. Bachelor Thesis, HS Anhalt, Germany, 2014.
R. Reibsch. Entwicklung und Untersuchung von Kurzschlussstrategien für netzbildende Wechselrichter. Diploma Thesis, TU Berlin, Germany, 2014.


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