Dipl.-Ing. Christian Hachmann

Group leader

2004 - 2010: Studies of Computer Engineering (Electrical Engineering) at the University of Paderborn
2010: Diploma thesis "Development of a regression test method for maximum power point tracking of photovoltaic inverters".
2010 - 2015: Worked as a development engineer for test systems and automation at SMA Solartechnologie AG in Niestetal.
Since 2015: Research associate at the Department of Energy Management and Operation of Electrical Networks at the University of Kassel
Since 2021: Research associate in the group Planning and Operation of Transmission Networks at Fraunhofer IEE

2024

G. Banerjee, R. Bolgaryn, C. Hachmann and M. Braun, "Overload Protection Scheme to Reduce Cascading Outages Considering Thermal Line Limits,"2024 International Conference on Smart Energy Systems and Technologies (SEST), Torino, Italy, 2024, pp. 1-6, doi: 10.1109/SEST61601.2024.10694594.

2023

G. Banerjee, J. Dollichon, C. Hachmann, D. Mende, J. Lipphardt and M. Braun, "Resilience-Driven Strategic Grid Planning with an Overload Protection Scheme Reducing Cascading Outages,"ETG Congress 2023, Kassel, Germany, 2023, pp. 1-8.

2022

C. Hachmann, H. Becker, M. Braun. 2022. "Cold Load Pickup Model Adequacy for Power System Restoration Studies" Energies 15, no. 20: 7675. doi: 10.3390/en15207675.
IEEE PES Task Force: et al, "Methods for Analysis and Quantification of Power System Resilience," in IEEE Transactions on Power Systems, 2022, doi: 10.1109/TPWRS.2022.3212688.
P. Merk, S. Schulz, H. Becker, C. Hachmann, I. Hauer, S. Glaser, N. I. Hiersemann, S. Krahmer, S. Schlegel, D. Westermann, P. Schegner, Who will start the grid of the future after a blackout?, ETG-Journal 2022/2, p.18
J. Heid, W. Schittek, C. Hachmann, M. Braun, Unbalanced contributions to instantaneous reserve by generation, consumption and storageConference Future Power Grids 2022, 26-27.1.2022
J. Heid, W. Schittek, C. Hachmann, M. Braun, Asymmetric Contributions to Instantaneous Reserve by Generation, Loads, and Storage, English version of the previous article

2021

C. Hachmann, H. Becker, F. Theimer, P. Thiel and M. Braun, "Local Power System Restoration and Islanded Operation with Combined Heat and Power Plants and Integration of Wind Power," ETG Congress 2021, 2021, pp. 1-6.

2020

M. Braun, C. Hachmann and J. Haack, "Blackouts, Restoration, and Islanding: A System Resilience Perspective," in IEEE Power and Energy Magazine, vol. 18, no. 4, pp. 54-63, July-Aug. 2020

2019

G. Banerjee, A. Klingmann, M. Valov, D. Lafferte, C. Hachmann and M. Braun, Protection and Dynamic Analysis during Bottom-Up Restoration Process in MV/LV Microgrids, IEEE SEST 2019 - 2nd International Conference on Smart Energy Systems and Technologies, Porto, Portugal, September 9-11, 2019.
C. Hachmann, H.Becker, J. Haack and M. Braun, Improving the Resilience of Power System Operation - Contribution of Renewable Energies in Power System Restoration, NEIS Conference, Hamburg, September 2019.
Hachmann, C., Lammert, G., Hamann, L. and Braun, M. (2019), Cold load pickup model parameters based on measurements in distribution systems. IET Gener. Transm. Distrib, 13: 5387-5395.

2018

G. Lammert, A. Klingmann, C. Hachmann, D. Lafferte, H. Becker, T. Paschedag, W. Heckmann, M. Braun, Modeling of Active Distribution Networks for Power System Restoration Studies, 10th IFAC Symposium on Control of Power and Energy Systems (CPES), Tokyo, September 4-6, 2018.
C. Hachmann, M. Valov, G. Lammert, W. Heckmann, M. Braun: Supporting grid restoration by balancing decentralized generation in the distribution grid, Conference Future Power Grids for Renewable Energies, Berlin, 2018.
M. Braun, J. Brombach, C. Hachmann, D. Lafferte, A. Klingmann, W. Heckmann, F. Welck, D. Lohmeier and H. Becker,The Future of Power System Restoration: Using Distributed Energy Resources as a Force to Get Back Online, IEEE Power and Energy Magazine, vol. 16, no. 6, pp. 30-41, Nov.-Dec. 2018.

2017

C. Shen, P. Kaufmann, C. Hachmann, M. Braun: Three-stage power system restoration methodology considering renewable energies. International Journal of Electrical Power & Energy Systems, 94, 287-299.
C. Hachmann, G Lammert, D. Lafferte, M. Braun: Power System Restoration and Operation of Island Grids with Frequency Dependent Active Power Control of Distributed Generation. NEIS Conference, Hamburg, September 2017.
D. Lafferte, A. Klingmann, D. Fetzer, G. Lammert, C. Hachmann, T. Paschedag and M. Braun,Black Start and Island Operation of Distribution Grids with Significant Penetration of Renewable Resources, 1st International Conference on Large-Scale Grid Integration of Renewable Energy. New-Delhi, India, 2017.

2008

Uranmandakh Amgalan, Christian Hachmann, Sybille Hellebrand, Hans-Joachim Wunderlich, Signature Rollback - A Technique for Testing Robust Circuits, VTS, 2008, 2013 IEEE 31st VLSI Test Symposium (VTS), 2013 IEEE 31st VLSI Test Symposium (VTS) 2008, pp. 125-130. DOI:10.1109/VTS.2008.34.[WEBSITE][PDF]