Search Results for author: Christian Rehtanz

Found 7 papers, 0 papers with code

TimeGPT in Load Forecasting: A Large Time Series Model Perspective

no code implementations7 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.

Load Forecasting Time Series

Modeling and Contribution of Flexible Heating Systems for Transmission Grid Congestion Management

no code implementations24 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.

Management

System-level Testing of the Congestion Management Capability of a Hardware-Independent Optimal Power Flow Algorithm

no code implementations18 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.

Management

Adaptive and Robust Cross-Voltage-Level Power Flow Control of Active Distribution Networks

no code implementations12 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.

Scheduling

Power Response and Modelling Aspects of Power Electronic Loads in Case of Voltage Drops

no code implementations8 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.

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