The Smart Energy Simulation and Automation (SESA) Lab allows evaluation and assessment of innovative solutions, among others, focused on resilient operation of cyber physical energy systems, energy system automation and SCADA and test-driven development of energy information/communication systems.

Location: Oldenburg, Germany

www.offis.de/en/living-labs/sesa.html

The Smart Energy Simulation and Automation (SESA) Lab allows large-scale, real-time co-simulation of impacts on energy supply systems under realistic conditions to facilitate integration of new components into the system; to identify critical situations; and to develop any adaptations that might be required. The SESA-Lab infrastructure comprises of four main features:

  • Real-time and accelerated simulators and co-simulation frameworks for modeling of cyber physical energy system,
  • Smart energy automation including physical and/or virtualized operational technologies,
  • Industrial and open source SCADA systems for Power and ICT systems monitoring and management,
  • big data analytic platform including anomaly detection.

A special feature of the SESA-Lab installation is the topology free allocation and combination of inputs and outputs. That means access and visibility can be controlled in a rule-based manner for the Ethernet- and EtherCAT-based component-to-component communication. To ease the simulation planning and execution process, SESA includes a virtualization server (VM cluster) that can provide virtual machines for software-based simulations (with the possibility of coupling with hardware-based real-time simulation and automation system in the Lab), development environments, or licensing servers for possible runtime environments. Such a virtualized and topology free allocation allow SESA to provide remote access to external users.

Simulation tools and frameworks:

  • The OPAL-RT digital real-time simulator (eMEGAsim and ePHASORsim) software allows the execution of highly detailed, dynamic power grid and network component models on dedicated FPGA-based signal processors. ePHASORsim is capable of modeling to 30,000 nodes. The OPAL simulator provides analog I/O and following communication protocols for hardware and software interfacing: Analog inputs and outputs, 60870-5-104, IEC 61850 GOOSE and Sample Value, Modbus RTU/TCP, 118 for PMU.
  • EXata Scalable Network and Attero Spirent are two commercial real-time communication network simulator and emulator to model and study the network behavior with high fidelity, accuracy, and precision.
  • Mosaik is a flexible Smart Grid co-simulation framework that allows to reuse and combine existing simulation models and simulators to create large-scale Smart Grid scenarios. These scenarios can then serve as a test bed for various types of control strategies (e.g., multi-agent-based control) or other algorithmic solutions for future power systems.
  • Offline simulation tools provided individually or as part of mosaic-based co-simulation platform such as PowerFactory, OMNET++, pandapower and MATLAB via virtualization server.

Automation components

  • OT/Field devices
    • Pheonix RTUs
    • National Instruments NI CompactRIO
    • Beckhoff PLCs
    • KoCoS Grid Automation System
  • Spitzenberger APS 1000 amplifier for CHIL testing
  • Virtual or software-based OT (vRTU, vIED,vPMU) for large scale simulation
  • Industrial SCADA system from PSI and Kisters
  • Open source ICT monitoring and intrusion detection system (based on Snort and Check-MK) and industrial network monitoring and detection tool (Rhebo industrial protector)

Data analytic platform

  • Large scale Real-time and offline Smart Grid simulations
    • Holistic system approach (design of experiment based statistical experiments)
    • Coupling heterogeneous simulations
    • Transparent SCADA viewpoint and control of the conjointly (heterogeneous) simulated system
    • Testing integrated control application
  • Prototyping for Smart Grid control concepts
    • Black / White / Grey Box testing
    • Centralized and decentralized control approaches (e.g., Multi-Agent Systems)
    • Standard compliant communication and control from devices up to SCADA systems
  • Framework to assess cyber-security/communication integrity and response mechanism
  • Development and testing of added value services based on Smart Meter Gateway Infrastructure

The OFFIS – Institute for Information Technology is associated institute of the Carl von Ossietzky University of Oldenburg in Germany and federally base-funded by the state of Lower Saxony. It is primarily dedicated to technology transfer of computer science knowledge into enterprises and organisations and has a total turnover of more than 13 million €. Approximately 230 researchers work in the three application areas Energy, Healthcare, and Transportation.

The ERIGrid project is executed by the Energy division, which dedicates its research to a variety of aspects regarding the future smart grid and deals with topics like interoperability, standardcompliant IT integration of distributed producers and consumers, large and flexible distributed software architectures for business contexts within the energy domain, simulation, and intelligent data management.

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