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Item type:Publication, Access status: without files , Performance Assessment of State Estimation in Cyber-Physical Energy Systems(2021-06-28); ; ; ; In addition to various advantages, the strong interaction between power systems and Information and Communication Technologies (ICT) makes Cyber-Physical Energy Systems susceptible to new disturbances. State estimation (SE) is a vital part of the energy management system, for several other monitoring, management, and control services. Failure of state estimation leads to loss of situational awareness, which in turn has a detrimental impact on the grid operation. Therefore, it is essential to monitor the performance of state estimation considering various disturbances. This paper presents a model to assess the performance of the SE service by taking into consideration its requirements from both power and ICT domains. Following a review of existing approaches for performance assessment of the SE service in Smart Grids, a detailed description of the proposed model including its elements, metrics, and states is provided. The model is then evaluated using different scenarios considering the CIGRE MV benchmark grid.Publicationtype: Conference Paper45 - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Access status: without files , Real-time Test Platform for Enabling Grid Service Virtualisation in Cyber Physical Energy System(2020-09-01); ; ; ; The challenge of reliable operation in Cyber-Physical Energy Systems (CPES) is constantly increasing due to more participating actors and associated disruptive events. The supporting automation systems for monitoring, communication and control is a vital part for reliable operation, realized by grid services such as voltage control, frequency control, system restoration. However, to ensure the availability of these services during and after disruptive events is challenging. Management technologies such as virtualization are key drivers to provide the necessary flexibility to reallocate, orchestrate and update such grid services. This paper introduces a multidisciplinary real-time test platform for integration of grid service management in CPES. Furthermore, a detailed description of the test environment including real-time power system simulation, communication system simulation, grid virtualisation management kit and virtualized hardware-software components are provided. Finally, the test platform is evaluated by a set of scenarios for modified CIGRE MV grid and its communication infrastructure.Publicationtype: Conference Paper42 - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Access status: without files , Grid function virtualization for reliable provision of services in cyber-physical energy systems(IEEE, 2020-08); ; ; ; Provision of grid services in modern power systems is highly dependent on their automation systems for monitoring, communication and decision making. These automation systems are vital for the reliable operation of the grid during and after disruptive events. This papers explores the concept of Grid Function Virtualization (GFV) as a potential approach to enhance the operational flexibility of grid automation systems. To this end, a review on applications of virtualization in related domains including smart grids is presented. Furthermore, the GFV architecture along with its building blocks is discussed. The benefits of the proposed GFV concept in dealing with power system disruptions is then demonstrated via real time simulations with an ICT-enriched CIGRE MV benchmark grid.Publicationtype: Conference Paper50 - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Access status: without files , Virtualization management concept for flexible and fault-tolerant smart grid service provision(2020-05-02); ; ; ; In modern power systems, reliable provision of grid services (e.g., primary and ancillary services) are highly dependent on automation systems in order to have monitoring, processing, decision making and communication capabilities. The operational flexibility of automation systems is essential for the reliable operation of power systems during and after disruptive events. However, this is restricted by integrated hardware-software platforms. Therefore, it will be difficult to reconfigure control strategies during run time. This paper presents the concept of Grid Function Virtualization (GFV) as a potential approach to improve the operational flexibility of grid automation systems. GFV has been proposed to offer a new way to deploy and manage grid services by leveraging virtualization technology. The main idea of GFV is to run grid services (i.e., software implementation of services) independently from underlying hardware. To realize the important design considerations, the GFV architecture and its building blocks is elaborated in details. To this end, an exhaustive review of applications of virtualization in several domains is provided to show the importance of virtualization in improving flexibility and resource utilization. Finally, the advantages of the proposed concept to deal with disruptions in power systems is demonstrated in a proof of concept based on a CIGRE MV benchmark grid.Publicationtype: Journal Article45 - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Access status: without files , Education and Training Needs, Methods, and Tools(Springer, 2020); ; ; ; 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.Publicationtype: Book Part64 - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Access status: without files , Future perspectives of co-simulation in the smart grid domainThe recent attention towards research and development in cyber-physical energy systems has introduced the necessity of emerging multi-domain co-simulation tools. Different educational, research and industrial efforts have been set to tackle the co-simulation topic from several perspectives. The majority of previous works has addressed the standardization of models and interfaces for data exchange, automation of simulation, as well as improving performance and accuracy of co-simulation setups. Furthermore, the domains of interest so far have involved communication, control, markets and the environment in addition to physical energy systems. However, the current characteristics and state of co-simulation testbeds need to be re-evaluated for future research demands. These demands vary from new domains of interest, such as human and social behavior models, to new applications of co-simulation, such as holistic prognosis and system planning. This paper aims to formulate these research demands that can then be used as a road map and guideline for future development of co-simulation in cyber-physical energy systems.Publicationtype: Conference Paper44