16 citations · 43 across the 29 of their papers we have counts for
29 papers
Safety Screening for Voltage Control in Active Distribution Grids via Distributionally Robust Conformal Screening
Sarra Bouchkati, Petros Ellinas, Adriana Geisler +4
Deploying a new control policy for voltage control in active distribution grids requires evidence that physical limits will be satisfied before the policy is tested on the physical…
Influence of Controller Tuning on Cascaded Flexibility Provision with Feedback Optimization
Irina Zettl, Florian Klein-Helmkamp, Florian Schmidtke +2
The coordination of a large number of flexibility-providing units across various grid layers requires innovative control concepts. This is needed, e.g., to allow active distributio…
Data-Driven Sequential Market Optimization for Front-of-the-Meter Battery Energy Storage Systems
Steffen Kortmann, Hannah Sanders, Andreas Ulbig
The growing integration of Battery Energy Storage Systems into electricity markets has highlighted the importance of coordinated participation across energy and balancing services…
Physics-Informed Neural Network for Modeling the Dynamic Behavior of Grid-Forming Converters
Hussein Jaffal, Arianna Fois, Sarra Bouchkati +2
This paper investigates physics-informed neural networks for modeling the full dynamic behavior of droop-controlled grid-forming converters. The approach is trained on synthetic da…
Robustness of Reinforcement Learning-Based Congestion Management in Low-Voltage Grids
Josef Hoppe, Sarra Bouchkati, Farah Nasr +7
Increases in photovoltaic generation, charging of electric vehicles and heat-pump demand challenge operating limits in low-voltage distribution grids. This requires curative curtai…
Momentum-Accelerated Online Feedback Optimization for Power System Flexibility
Florian Klein-Helmkamp, Matthis Berger, Irina Zettl +1
Flexibility is increasingly gaining importance in modern power system operation. This paper presents a controller framework based on Online Feedback Optimization for real-time coor…
Dynamic Modeling, Analysis, and Validation of Dual-Port Grid-Forming Control for Hybrid AC/DC Systems
Irina Subotić, Dominic Groß, Alexander Winkens +3
This work investigates the transient and dynamical behavior of hybrid AC/DC systems using dual-port grid-forming (GFM) control. A generalized modeling framework for hybrid AC/DC ne…
Partially Observable Residual Reinforcement Learning for PV-Inverter-Based Voltage Control in Distribution Grids
Sarra Bouchkati, Ramil Sabirov, Steffen Kortmann +1
This paper introduces an efficient Residual Reinforcement Learning (RRL) framework for voltage control in active distribution grids. Voltage control remains a critical challenge in…
Stability and Performance of Online Feedback Optimization for Distribution Grid Flexibility
Florian Klein-Helmkamp, Tina Möllemann, Irina Zettl +1
The integration of distributed energy resources (DERs) into sub-transmission systems has enabled new opportunities for flexibility provision in ancillary services such as frequency…
Towards Safety and Security Testing of Cyberphysical Power Systems by Shape Validation
Alexander Geiger, Immanuel Hacker, Ömer Sen +1
The increasing complexity of cyberphysical power systems leads to larger attack surfaces to be exploited by malicious actors and a higher risk of faults through misconfiguration. W…
Graph-based Impact Analysis of Cyber-Attacks on Behind-the-Meter Infrastructure
Immanuel Hacker, Ömer Sen, Florian Klein-Helmkamp +1
Behind-the-Meter assets are getting more interconnected to realise new applications like flexible tariffs. Cyber-attacks on the resulting control infrastructure may impact a large…
Towards a Comprehensive Framework for Cyber-Incident Response Decision Support in Smart Grids
Omer Sen, Yanico Aust, Martin Neumuller +2
The modernization of power grid infrastructures necessitates the incorporation of decision support systems to effectively mitigate cybersecurity threats. This paper presents a comp…
Simulation of Multi-Stage Attack and Defense Mechanisms in Smart Grids
Omer Sen, Bozhidar Ivanov, Christian Kloos +4
The power grid is a critical infrastructure essential for public safety and welfare. As its reliance on digital technologies grows, so do its vulnerabilities to sophisticated cyber…
On Process Awareness in Detecting Multi-stage Cyberattacks in Smart Grids
Omer Sen, Yanico Aust, Simon Glomb +1
This study delves into the role of process awareness in enhancing intrusion detection within Smart Grids, considering the increasing fusion of ICT in power systems and the associat…
Encryption-Aware Anomaly Detection in Power Grid Communication Networks
Omer Sen, Mehdi Akbari Gurabi, Milan Deruelle +2
The shift to smart grids has made electrical power systems more vulnerable to sophisticated cyber threats. To protect these systems, holistic security measures that encompass preve…
A cyber-physical digital twin approach to replicating realistic multi-stage cyberattacks on smart grids
Omer Sen, Nathalie Bleser, Martin Henze +1
The integration of information and communication technology in distribution grids presents opportunities for active grid operation management, but also increases the need for secur…
AI-based Attacker Models for Enhancing Multi-Stage Cyberattack Simulations in Smart Grids Using Co-Simulation Environments
Omer Sen, Christoph Pohl, Immanuel Hacker +2
The transition to smart grids has increased the vulnerability of electrical power systems to advanced cyber threats. To safeguard these systems, comprehensive security measures-inc…
Digital Twin for Evaluating Detective Countermeasures in Smart Grid Cybersecurity
Omer Sen, Nathalie Bleser, Andreas Ulbig
As the integration of digital technologies and communication systems continues within distribution grids, new avenues emerge to tackle energy transition challenges. Nevertheless, t…
Safe Trajectory Sets for Online Operation of Power Systems under Uncertainty
Florian Klein-Helmkamp, Tina Möllemann, Irina Zettl +2
Flexibility provision from active distribution grids requires efficient and robust methods of optimization and control suitable to online operation. In this paper we introduce cond…
Towards more realistic co-simulation of cyber-physical energy distribution systems
Immanuel Hacker, Ömer Sen, Dennis van der Velde +2
The increased integration of information and communications technology at the distribution grid level offers broader opportunities for active operational management concepts. At th…
An AI-based, Error-bounded Compression Scheme for High-frequency Power Quality Disturbance Data
Markus Stroot, Stefan Seiler, Philipp Lutat +1
The implementation of modern monitoring systems for power quality disturbances have the potential to generate substantial amounts of data, reaching a point where transmission and s…
End-to-End Reinforcement Learning of Curative Curtailment with Partial Measurement Availability
Hinrikus Wolf, Luis Böttcher, Sarra Bouchkati +9
In the course of the energy transition, the expansion of generation and consumption will change, and many of these technologies, such as PV systems, electric cars and heat pumps, w…
Tuning a Cascaded Online Feedback Optimization Controller for Provision of Distributed Flexibility
Irina Zettl, Florian Klein-Helmkamp, Florian Schmidtke +2
Coordinating a high number of flexibility providing units (e.g. to provide ancillary services for the transmission system) across various grid layers requires new control concepts.…
Analysing the interaction of expansion decisions by end customers and grid development in the context of a municipal energy system
Paul Maximilian Röhrig, Nancy Radermacher, Luis Böttcher +1
In order to achieve greenhouse gas neutrality by 2045, the Climate Protection Act sets emission reduction targets for the years 2030 and 2040, as well as decreasing annual emission…