
Thomas I. StrasserAIT Austrian Institute of Technology | ait · Center for Energy
Thomas I. Strasser
Privatdoz. Dipl.-Ing. Dr.techn.
About
315
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Introduction
Thomas Strasser earned his master's, PhD, and Venia Docendi (habilitation) in automation from Technische Universität Wien (TU Wien). He has been a senior scientist at the AIT Austrian Institute of Technology’s Center for Energy for over 14 years, focusing on smart grid automation, research project development, and mentoring PhD candidates and junior scientists. Before AIT, he spent six years as a senior researcher at PROFACTOR, investigating advanced automation and control systems.
Additional affiliations
March 2011 - November 2017
December 2017 - present
January 2012 - present
Publications
Publications (315)
Rapid and necessary changes in the energy sector are leading to the rise of new, decentralized devices for generation and consumption in the electrical distribution grid. Such devices are inverter-connected photovoltaic (PV) generators, heat pumps (HP), or electric vehicle supply equipment (EVSE). These new components make the power grid operation...
The integration of renewable local energy generation in single households-turning the household into a ''prosumer''-is an important way to support an ecological transition of the electric power system. However, due to the volatile and distributed nature of most renewable energy sources, the power system may face stability problems when integrating...
The electrical energy system is undergoing major changes due to the necessity for more sustainable energy generation and the following increased integration of novel grid-connected devices, such as inverters or electric vehicle supply equipment. To operate reliably in novel circumstances, as created by the decentralization of generation, power syst...
Microgrids and multi-microgrids are commonly installed to fulfill rising flexibility needs and to boost the system resilience by advanced fault mitigation capabilities. On top of a complex control architecture, proactive resilient scheduling optimizes the operation of such grids in advance. Although several scheduling algorithms include measures to...
Microgrids are one important lever to increase power system resilience and to tightly integrate renewable energies at the same time. Commonly, an optimization-based proactive scheduling controls assets in advance in a cost-effective way and ensures that contingencies may be successfully mitigated. However, often strong simplifications are introduce...
Interoperability is the key to implementing a wide range of energy systems applications. It involves the seamless cooperation of different methods and components. With smart energy systems, interoperability faces challenges due to integrating differ-ent approaches and technologies. This includes dealing with heterogeneous approaches with various co...
#Dataspace is an innovative data coexistence approach that promises sovereign and schema-neutral data collaboration possibilities.
I had the opportunity to present our work under the International Energy Agency (IEA) ISGAN SIRFN JRA (Joint Research Activities) and int:net project to develop an international dataspace showcase for research infrast...
The energy system is undergoing a significant transformation, shifting towards a cyber-physical system of systems driven by factors like the integration of renewable energy sources and the digitalisation of energy services. This evolution introduces increased complexity, necessitating an enhanced development process that integrates diverse team com...
Nowadays, electric power distribution grids increasingly incorporate distributed renewable generation with volatile power infeed along with new electrified loads such as heating systems or electric vehicles. These devices can introduce problems of grid overloading or voltage band violations. To cope with such problems, those units are usually equip...
In low-voltage (LV) grids, the integration of renewable energy sources leads to major stability challenges due to their volatile and distributed nature. Photovoltaic (PV) installations are especially located in private households, turning them into “prosumer” households which try to balance production and consumption internally as far as possible (...
The virtual integration of geographically distributed Research Infrastructures (RIs) for joint experiments in the domain of power and energy systems poses numerous challenges , particularly in terms of tool compatibility and user-friendliness. To address some of these challenges, this work presents the development and implementation of a laboratory...
PREPARED BY
The Power and Energy Education Committee University Education Activities Subcommittee
Task Force on Innovative Teaching Methods for Modern Power and Energy Systems PES-TR120
TR-120 — Innovative Teaching Methods for Modern Power and Energy Systems
https://resourcecenter.ieee-pes.org/publications/technical-reports/pes_tp_tr120_peec_03...
This document addresses the concept of a Common European Energy Data Space (CEEDS), providing detailed approaches and recommendations for its real-world realization. In particular, the main objective of this blueprint is to guide on enhancing the existing data infrastructures, in the energy domain, towards the full embracement of data space solutio...
The need for a more sustainable energy system is leading to more electric energy generation being connected to low voltage (LV) distribution grids. At the same time, due to accelerated growth in electric mobility and heat pumps, more and more energy consumed by end customers is supplied via LV distribution grids. These developments cause distributi...
Smart grid interoperability is the means to achieve the twin green and digital transition but re-mains heterogeneous and fragmented to date. This work presents the first ideas and corner-stones of an Interoperability Roadmap for the Energy Transition that is being developed by the Horizon Europe int:net project. This roadmap builds on four cornerst...
Novel energy management and scheduling algorithms that tightly integrate volatile renewable energy sources often depend on external forecasts such as numerical weather predictions. Since the quality of the forecasting inputs may widely affect the system performance, detailed assessments are needed. This work addresses the need for large-scale forec...
The energy system is increasingly evolving towards a cyber-physical system of systems, mainly due to drivers such as digitalisation and integration of renewables. This inevitably increases complexity and requires an improved development process, which can also include competencies from teams with different expertise. Therefore, this work addresses...
The changes in the electric energy system toward a sus-tainable future are inevitable and already on the way to-day. This often entails a change of paradigm for the elec-tric energy grid, for example, the switch from central to decentralized power generation which also has to provide grid-supporting functionalities. However, due to the scar-city of...
Smart energy systems comprise multiple domains like power, thermal, control, information, and communication technology, which increases the complexity of research and development studies. This expansion also requires larger and ever so complex experimental pilot environments driving the demand for geographically distributed multi-research infrastru...
Modeling and simulation of electrical power systems are becoming increasingly important approaches for the development and operation of novel smart grid functionalities-especially with regard to data-driven applications as data of certain operational states or misconfigurations can be next to impossible to obtain. The DeMaDs framework allows for th...
Presents information on the above named conference.
Industrial Cyber-Physical Systems (ICPS) are a key element that acts as the backbone infrastructure for realising innovative systems compliant with the fourth industrial revolution vision and requirements to realize it. Several architectures, such as the Reference Architectural Model Industry 4.0 (RAMI4.0), the Industrial Internet Reference Archite...
The dependability of the power infrastructure is ensured by established testing practices. However, these practices do not address new stability phenomena or issues arising from cyber-physical interactions through increasingly digitalized control technologies. With the above-described challenges and developments, the complexity of test planning and...
The SIRFN Microgrid Task has a particular focus on laboratory testing and validation of components and systems related to microgrids. The task brings together a network of test laboratories and researchers to share best practices and devise common methods of testing. The high level overview of the task activities is shown in the poster, where it ca...
The 8th International Summer School on Industrial Agents: Autonomous Control in Logistics, Production and Energy Applications will be organized by the Helmut Schmidt University / University of the Federal Armed Forces, Institute for Automation Technology in Hamburg. The summer school will take place from 11th to 15th July 2022. It brings together l...
The uninterruptible operation of grid-connected renewables under the occurrence of grid voltage sags is addressed in this work. This is achieved due to the incorporation of an enhanced control algorithm of a renewable source. The low-voltage ride-through algorithm was developed in accordance to the voltage profile introduced by IEC 61400-21 regardi...
To achieve net-zero emissions economy, the transition to online entertainment and retail, aging populations, urban population growth, and pressures on public finance have created huge interests for human to run cities differently and smartly. A term titled smart city is created which is considered as an idealistic city, where the quality of life fo...
The electrical energy system is undergoing major changes due to the necessity for more sustainable energy generation and the following increased integration of novel grid connected devices, such as inverters. To operate reliably in novel circumstances, as created by the decentralization of generation, power systems usually need grid supportive func...
Agent-technologies have been used for higher-level decision making in addition to carrying out lower-level automation and control functions in industrial systems. Recent research has identified a number of architectural patterns for the use of agents in industrial automation systems but these practices vary in several ways, including how closely ag...
The integration of industrial automation systems and software agents has been practiced for many years. However, such an integration is usually done by experts and there is no consistent way to assess these practices and to optimally select one for a specific system. Standards such as the ISO/IEC 25023 propose measures that could be used to obtain...
While the past fifty years have been dominated by the so-called communication revolution, today we are at the dawn of the energy revolution. The entire economy is energy driven, being electricity its most important energy vector and the smart grid concept has been used in order to achieve a smarter electrical distribution infrastructure. Smart mete...
A significant issue for fault classification in power distribution systems is limited fault data for training classifiers to identify power failure types for remediation. Measurement data from power systems are mostly unlabeled without specified fault types, and labeled data with confirmed fault types are very limited, posing challenges to training...
The main purpose of this Special Issue of IEEE Transactions on Systems, Man, And Cybernetics: Systems is to discuss recent advances for intelligence in power and energy systems. The IEEE Systems, Man, and Cybernetics (SMC) Society has a lot of activities that provide potential solutions for more intelligence in power and energy systems. This articl...
Additive Manufacturing (AM) evolved recently from a rapid prototyping process to a standard manufacturing tool. Nevertheless, it is still not a widely used method due to different process-related challenges. In recent years printer technologies and possible printable materials emerged but there are still challenging demands on the printing process....
Electric power systems are currently confronted with a fundamental paradigm change related to its planning and operation, mainly caused by the massive integration of renewables. To allow higher penetration of them within existing grid infrastructures, the “smart grid” makes more efficient use of existing resources by integrating appropriate informa...
Promoting Innovative Research Activities in the Energy Field
Power system operation is of vital importance and must be developed far beyond today's practice to meet future needs. Almost all European countries are facing an abrupt and very important increase of renewables with intrinsically varying yields which are difficult to predict. In addition, an increase of new types of electric loads and a reduction o...
The rollout of smart grid solutions has already started and new methods are deployed to the power system today. But the complexity is still increasing and the focus is moving from a single system to a system of systems perspective. The results are increasing engineering efforts and escalating costs. To address these challenges, this work proposes t...
Multi-microgrids address the need for a resilient, sustainable, and cost-effective electricity supply by providing a coordinated operation of individual networks. Due to local generation, dynamic network topologies, and islanding capabilities of hosted microgrids or groups thereof, various new fault mitigation and optimization options emerge. Howev...
The low-voltage ride-through service is carried out in this paper according to the voltage profile described by the
IEC 61400-21 European normative when short-duration voltage sags happen, and some instantaneous reactive
power is delivered to the grid in accordance with the Spanish grid code; the mandatory limitation of the amplitude
of the three-p...
One can define an energy system as a system that converts one or more energy fluxes into other energy fluxes of a different kind. This definition may describe a relatively small system, for instance, a power plant, a chemical plant, or the heating and cooling apparatus of a single-family house, as well as one covering larger energy needs, for examp...
This book is an open access book.
This book provides an overview of the ERIGrid validation methodology for validating CPES, a holistic power system testing method. It introduces readers to corresponding simulation and laboratory-based tools, including co-simulation, real-time simulation, and hardware-in-the-loop. Selected test cases and validation...
This chapters briefly summarizes the main achievements and contributions of the ERIGrid project related to validation and testing methods and concepts for Cyber-Physical Energy System (CPES) systems. Also, an outlook about necessary future research and development work by addressing smart energy systems needs are outlined.
The importance of education and training in the domain of power and energy systems targeting the topics of cyber-physical energy systems/smart grids is discussed in this chapter. State-of-the art laboratory-based and simulation-based tools are presented, aiming to address the new educational needs.
In order to systematically plan, specify, and execute system-level test for smart grids in a cyber-physical and multi-domain manner, the ERIGrid holistic testing approach is introduced. Also, the corresponding test description and templates are discussed.
The importance of using real-time simulation and hardware-in-the-loop techniques for the domain of power and energy systems is covered by this chapter. A brief overview of the main concepts is provided as well as a method for their integration into a holistic validation framework for testing smart grid systems. Also, corresponding reference impleme...
Cyber-physical energy systems or smart grids tend to higher complexity due to the integration of renewables as well as the usage of advanced information and communication technology which is briefly outlined within this chapter. Moreover, the needs for system-level validation approaches, methods, and corresponding tools are discussed. Those needs a...
This book is a printed edition of the Special Issue Methods and Concepts for Designing and Validating Smart Grid Systems that was published in Energies.
This special issue focuses on the current and novel issue known as Industry 4.0 (Fourth Industrial Revolution). It contains very interesting and original works that deal with smart manufacturing. They are listed below:
Pranab K. Muhuri, Amit K. Shukla, Ajith Abraham, Industry 4.0: A bibliometric analysis and detailed overview, Engineering Applicat...
The quality of power and current control are the greatest challenges of grid-connected wind farms during abnormal conditions. The negative-and positive-sequence components of the grid currents may be injected into a wind generation system during grid faults, which can affect the power stability and damage the wind system. The proposed work assures...
Abstract The massive deployment of distributed generators from renewable sources in recent years has led to a fundamental paradigm change in terms of planning and operation of the electric power system. The usage of advanced automation and information and communication technology is a key element to handle these new challenges and to turn the tradi...
This paper proposes a Multi-task Logistic Low-Ranked Dirty Model (MT-LLRDM) for fault detection in power distribution networks by using the distribution Phasor Measurement Unit (PMU) data. The MT-LLRDM improves the fault detection accuracy by utilizing the similarities in the fault data streams among multiple locations across a power distribution n...
A driving force for the realization of a sustainable energy supply is the integration of renewable energy resources. Due to their stochastic generation behaviour, energy utilities are confronted with a more complex operation of the underlying power grids. Additionally, due to technology developments, controllable loads, integration with other energ...
This article deals with the vector control in dq axes of a three-phase grid-connected photovoltaic system with single-stage topology and low-voltage-ride-through capability. The photovoltaic generator is built using an array of several series-parallel Suntech PV modules and is modeled as a Lookup Table (two-dimensional; 2-D). The requirements adopt...
Advances in the domain of electronics and information and communication technology provide a tremendous set of new possibilities and services. The development of the Internet of Things concept where different sensors, actuators, and control devices are connected together and where functions are provided to the Internet, is on the way to be used als...
Smart energy solutions aim to modify and optimise the operation of existing energy infrastructure. Such cyber-physical technology must be mature before deployment to the actual infrastructure, and competitive solutions will have to be compliant to standards still under development. Achieving this technology readiness and harmonisation requires repr...
The secure operation of future power systems will rely on better coordination between transmission system and distribution system operators. Increasing integration of renewables throughout the whole system is challenging the traditional operation. To tackle this problem, the SmartNet project proposes and evaluates five different coordination scheme...