Digital Twin of a Dynamic Hardware Emulator: Challenges and Opportunities
- AIT Austrian Institute of Technology, Center for Energy
- IEEE PES Chapter Austria
- IEEE IAS/PELS/IES Joint Chapter Austria
The ongoing decarbonisation of the electric power system brings new challenges in terms of system dynamics and stability, as the substitution of generation units with rotating masses towards generation units based on power electronics entails a substantial loss of inertia.
To meet the new challenges and maintain the reliability of the electrical grid, innovative solutions are required. Therefore, this lecture will present digital twin development challenges and opportunities of a dynamic hardware emulator that can be used for controller hardware in the loop (CHIL) testing and is based on a small-scale laboratory system.
To build the simulation model, the parameters of involved synchronous machines, excitation systems, prime movers and transmission lines have been identified and then compared to laboratory measurements to assess the accuracy of the digital twin. Static and dynamic accuracy have been investigated, and an overall good accuracy can be shown with the help of quantification of errors.
Furthermore, a case study is presented where the digital twin was used to design a controller to damp inter-area oscillations with the help of wide area measurements. This controller was then implemented and tested within the dynamic hardware emulator in the laboratory.
Time: Tuesday, 6.12.2022, 10:00 - 11:00 a.m.
Presentation "Digital Twin of a Dynamic Hardware Emulator: Challenges and Opportunities"
Prof. Petr Korba, Artjoms Obushevs und Sandro Kellermüller, ZHAW Zurich University of Applied Sciences, Switzerland
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AIT Austrian Institute of Technology