- Smart Grid Security and Resilience
- Smart Grid Energy Management
- Real-time simulation and control systems
- Flexible and Reconfigurable Manufacturing Systems
- Microgrid Control and Optimization
- Modeling and Simulation Systems
- Model-Driven Software Engineering Techniques
- Petri Nets in System Modeling
- Distributed and Parallel Computing Systems
- Service-Oriented Architecture and Web Services
- Network Time Synchronization Technologies
- Embedded Systems Design Techniques
- Simulation Techniques and Applications
- Optimal Power Flow Distribution
- Physics and Engineering Research Articles
- Power Systems and Technologies
- Islanding Detection in Power Systems
- HVDC Systems and Fault Protection
- Systems Engineering Methodologies and Applications
- Blockchain Technology Applications and Security
- Integrated Energy Systems Optimization
- Advanced Data Storage Technologies
- Advanced MIMO Systems Optimization
- Mathematical Control Systems and Analysis
- Electrostatic Discharge in Electronics
Austrian Institute of Technology
2014-2024
HAW Hamburg
2013-2019
Universität Hamburg
2019
Advanced Inhalation Therapies (Israel)
2019
The continuously increasing complexity of modern and sustainable power energy systems leads to a wide range solutions developed by industry academia. To manage such complex system-of-systems, proper engineering validation approaches, methods, concepts, corresponding tools are necessary. Smart Grid Architecture Model (SGAM), an approach that has been during the last couple years, provides very good structured basis for design, development, new technologies. This review therefore comprehensive...
A stability study of distribution networks with a high penetration distributed generators (DGs) actively supporting the network is presented in this paper. possible way mitigating voltage rise caused by DGs local control reactive power. Among different options, Q(U) (reactive power as function voltage) one commonly suggested solutions. However, can, under certain conditions, lead to instability. This paper summarizes results conducted on single-inverter system and multiinverter system. It...
Cyber-attacks against Smart Grids have been found in the real world. Malware such as Havex and BlackEnergy targeting industrial control systems (ICS) researchers shown that cyber-attacks can exploit vulnerabilities widely used Grid communication standards. This paper addresses a deep investigation of attacks manufacturing message specification IEC 61850, which is expected to become one most services Grids. We investigate how an attacker build custom tool execute man-in-the-middle attacks,...
Power systems training and education faces serious challenges due to the rising complexity of energy systems. This paper presents a simulation-based platform for educating students power professionals in complex Smart Grid applications. The system is split into parts like electrical grid or controls specialized, domain-specific tools are then coupled be able simulate overall behavior. Experiences with developed material corresponding modeling simulation environment discussed. usage advanced...
Renewable energy sources are key enablers to decrease greenhouse gas emissions and cope with the anthropogenic global warming. Their intermittent behaviour limited storage capabilities present challenges power system operators in maintaining high level of quality reliability. However, increased availability advanced automation communication technologies has provided new intelligent solutions face these challenges. Previous work presented various methods operate highly interconnected grids...
The increasing installation of distributed energy resources during the last years has lead to a fundamental change power system structure. As consequence, utility operators are faced with new challenges in grid planning and operation. New intelligent approaches - like smart grids show promising results hosting capacity for renewable resources. Standardized automation, control, communication systems important keys realize such methods. In this paper, standard-based control approach is...
The rollout of smart grid solutions has already started and new methods are deployed to the power systems today. However, complexity is still increasing as focus moving from a single system, system perspective. results engineering efforts escalating costs. For this reason, automated necessary. This paper addresses these needs with rapid methodology that covers overall process for applications—from use case design deployment. Based on model-driven development approach, consists three main...
The future energy system has to satisfy a continuously growing demand for electricity and reduce greenhouse gas emissions. Fulfilling such diverse needs requires the integration of renewable resources on large scale. However, existing information communication infrastructure controlling corresponding power grids components is not directly designed master ever increasing complexity. An upcoming requirement need functional adaption control systems during operation. main aim this article...
There exists no universal tool to analyze the increasing complexity in smart grids. Domain specific simulation and engineering tools partly address challenges of complex system behavior. Different component technologies, customer behavior controls power networks are interacting a highly dynamic manner. Results isolated simulations may be not accurate enough on level. Free open available like GridLAB-D, PSAT, OpenModelica 4DIAC well known widely used because their excellent domain expertise....
Smart energy solutions aim to modify and optimise the operation of existing infrastructure. Such cyber-physical technology must be mature before deployment actual infrastructure, competitive will have compliant standards still under development. Achieving this readiness harmonisation requires reproducible experiments appropriately realistic testing environments. testbeds for multi-domain are complex in themselves. This work addresses a method scoping design where both testbed solution each...
Open source solutions will enable the acceptance and usage of open standards for smart grid applications. The aim this work is to demonstrate possible a distributed automation system controlling electrical power systems with Distributed Energy Resources (DER). control approach based on IEC 61499 reference model its solution 4DIAC whereas simulated software PSAT. In addition, freely available stack implementation 61850 standard substation used monitoring process variables. As an example...
Refinements of the voltage control algorithm for DG DemoNet concept have been developed extensively over last years. Consequently next step will be field tests prior to deployment. This paper describes (re-)design existing prototype algorithm, offline and online simulation environments testing implementation prepare central unit test. The communication links - PLC radio link MV grids `Großes Walsertal' `Lungau' impose different challenges validation controller. During porting production...
Power system analysis applications like PowerFactory make it possible to investigate research questions within a dedicated domain specific environment. With the increasing complexity in cyber-physical systems need for coupling models or simulation becomes eminent. By utilizing and extending existing interfacing mechanisms pros cons different approaches under time scales (steady state, transient) are compared. The tight using steady-state together with external simulators have significant...
Providing, operating and maintaining the infrastructure for continuously growing changing electric energy systems are technological key challenges our society in next years decades. Multi-Agent Systems represent a promising approach able to realize/implement above described functionalities services power distribution network. In this paper, we present an automation agent related system architecture handling such dynamic networks. On one side, provides monitoring diagnostics abilities...
Modern automation and control systems used in industrial large-scale applications are characterized by its distributed nature the areas of power energy systems, manufacturing, building automation, logistics. In order to cope with different communication needs changing requirements such scenarios over life-time, main aim this paper is propose a programmable (re-)configurable gateway device compliant domain standards. This approach therefore based on IEC 61499 reference model for...
The electric energy system is changing more and into a Smart Grid. A key technology in order to transform the actual grid information communication technology. This means that advanced management, automation, control concepts systems have be developed cope with challenging future requirements intelligent grid; especially large-scale integration of distributed vehicles. As result this trend, will consist huge number electronic devices manage complex nature Girds. In guarantee high level...
The transition of classical power distribution grids towards actively operated smart locates new functionality into intelligent secondary substations. Increased computational and newly attained communication infrastructure in thousands substations allow for the distributed realization sophisticated functions, which were inconceivable a few years ago. These novel functions (e.g., voltage reactive control, generation optimization or decentralized market interaction) can primarily be realized...
Due to the ongoing changes in power systems and their evolution towards Smart Grids they will become tremendously complex. Those contain many different components actors that are connected among each other located on technological as well conceptual levels. Analyzing influences impacts of new or parameters becomes more challenging. For reason importance simulation is continuously increasing. However, impose requirements supporting tools today's technologies no longer suitable for. In this...
In order to guarantee a sustainable electric energy supply the power systems domain is currently in transformation phase. Renewable sources have be installed on large scale causing more complex operation of distribution grids due its stochastic behavior. Advanced automation and information technology approaches, concepts algorithms are being applied operate such systems. Interoperability standardized interfaces important topics which considered realizing Smart Grid. A standard-compliant...
A key aspect to the future development of Smart Grids is cooperation between multiple grid components. If this be included into simulations however, limit often reached when only one tool can used for simulations. This paper describes a framework simulation power networks and their components including DIgSILENT/PowerFactory MathWorks MATLAB/Simulink. detailed model vanadium redox flow battery developed in MATLAB/Simulink combined with performed PowerFactory. The communication tools realized...
This paper describes the process of developing and validating controller concepts using real-time simulation capabilities. The from proof-of-concept to prototype finally realization advantage testing in a environment is demonstrated test case. case based on an example safety critical domain electric power systems - coordinated voltage DG-DemoNet project. possibilities advantages controller-hardware-in-the-loop (C-HIL) compared offline are discussed.