no code implementations • 7 Apr 2024 • Wenlong Liao, Fernando Porte-Agel, Jiannong Fang, Christian Rehtanz, Shouxiang Wang, Dechang Yang, Zhe Yang
Machine learning models have made significant progress in load forecasting, but their forecast accuracy is limited in cases where historical load data is scarce.
no code implementations • 29 Nov 2023 • David Kröger, Jan Peper, Nils Offermann, Christian Rehtanz
Offshore wind power in the North Sea is considered a main pillar in Europe's future energy system.
no code implementations • 24 Oct 2023 • David Kröger, Milijana Teodosic, Christian Rehtanz
The large-scale integration of flexible heating systems in the European electricity market leads to a substantial increase of transportation requirements and consecutively grid congestions in the continental transmission grid.
no code implementations • 18 Sep 2023 • Thomas Schwierz, Rajkumar Palaniappan, Oleksii Molodchyk, Christian Rehtanz
In this paper, a full-scale low-voltage test setup in the Smart Grid Technology Lab (SGTL) at TU Dortmund University is used to evaluate the capability of an Optimal Power Flow Algorithm (OPF) to support voltage control, congestion management, and to provide redispatch to the higher grid levels.
no code implementations • 18 Jul 2022 • Rajkumar Palaniappan, Jan-Niklas Ceschlaw, Stavros Karagiannopoulos, Christian Rehtanz
In addition to the regression control, the paper also explains an offline learning approach for periodic re-training of the regression models.
no code implementations • 12 Jul 2022 • Jannik Zwartscholten, Christian Rehtanz
In order to validate the control parameter tuning, the adaptive control system is analyzed regarding robustness and performance using an exemplary medium voltage grid.
no code implementations • 8 Jul 2022 • Sebastian Liemann, Christian Rehtanz
Overall, the contributions of the paper are the identification of the basic power dynamics of power electronic loads for different voltage drops and a subsequent derivation of suitable simulation load models for voltage stability investigations.