M. Sc. Zheng Liu

Research assistant

Nov. 2011 - May. 2014: Bachelor's degree in Electrical Engineering and Information Technology at the Ilmenau University of Technology
May. 2014: Bachelor's thesis "Methods of data analysis using the example of control power demand" at Fraunhofer IOSB-AST in Ilmenau
Sep. 2013 - Aug. 2015: Assistant scientist at the Fraunhofer AST-IOSB in Ilmenau
May. 2014 - Jan. 2017: Master's degree in Electrical Power and Control Engineering at the Technical University of Ilmenau
Oct. 2015 - Feb. 2016: Intern at 50Hertz Transmission GmbH in Neuenhagen near Berlin
Jan. 2017: Master's thesis "Investigation and realization of the converter model for its dynamic behavior in the future distribution grid in MATAB/Simulink" at the Ilmenau University of Technology
Since Oct. 2017: Research assistant at the Department of Energy Management and Operation of Electrical Grids at the University of Kassel

2021

Z. Liu, J. -H. Menke, N. Bornhorst, and M. Braun,"Static Grid Equivalent Models Based on Artificial Neural Networks," in IEEE Access, 12.2021
F. Marten, Z. Liu, M. Braun,"Testing a real-time grid state estimation and optimization in two distribution grid areas," ETG-CIRED-Workshop (D-A-CH), 11.2021
Z. Wang, Z. Liu, M. Kraiczy, N. Bornhorst, S. Wende-von-Berg, and M. Braun,"Fast parallel quasi-static time series simulator for active distribution grid operation with pandapower," CIRED 2021, 6.2021
Z. Liuet al, "Optimized Characteristic-Curve-Based Local Reactive Power Control in Distribution Grids with Distributed Generators," ETG Congress 2021, 5.2021

2020

Z. Liu, S. Wende-von-Berg, G. Banerjee, N. Bornhorst, T. Kerber, A. Maurus, M. Braun, "Adaptive static network equivalent with artificial neural networks", 16th Symposium on Energy Innovation, Graz, Austria, February 12-14, 2020
I. Hammermeister, Z. Liu, A. Maurus, N. Rogg, T. Kerber, P. Schwaegerl, M. Braun,"Co-simulation for the preliminary analysis of a cross-grid operator reactive power management in the distribution grid", 16th Symposium on Energy Innovation, Graz, Austria, February 12-14, 2020
Z. Liu, N. Bornhorst, S. Wende-von Berg, M. Braun: A Grid Equivalent Based on Artificitial Neural Networks in Power Systems with High Penetration of Distributed Generation with Reactive Power Control, NEIS-Conference Hamburg, 2020
C. Yang, Z. Liu, M. Braun: Performance Analysis of Reactive Power Control Mode of Distributed Generation in Power System, Power and Energy Student Summit PESS 2020, Darmstadt

2017

Zheng Liu, Teng Jiang, Steffen Schlegel and Dirk Westermann, Simulation and Comparison of Inverter Models in Inverter-Dominated Power Distribution Grids, PESS 2017, Nuremberg.
Zheng Liu, Yuelin Zeng, Teng Jiang, Steffen Schlegel and Dirk Westermann, Methods to Eliminate the Deviation of Secondary Control Power Supplied by Electric Vehicle Pool, PESS 2017, Nuremberg.
Zheng Liu, Hui Cai, Teng Jiang, Steffen Schlegel and Dirk Westermann, Flexible Power Plant Schedules to Reduce the Demand for Control Power, PESS 2017, Nuremberg.