Digital Twin Development of a Dynamic Hardware Emulator

Sandro Kellermüller, Artjoms Obushevs, Miguel Ramirez Gonzalez and Petr Korba
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Sandro Kellermüller: Institute of Energy Systems and Fluid Engineering, School of Engineering, Zurich University of Applied Sciences (ZHAW), 8401 Winterthur, Switzerland
Artjoms Obushevs: Institute of Energy Systems and Fluid Engineering, School of Engineering, Zurich University of Applied Sciences (ZHAW), 8401 Winterthur, Switzerland
Miguel Ramirez Gonzalez: Institute of Energy Systems and Fluid Engineering, School of Engineering, Zurich University of Applied Sciences (ZHAW), 8401 Winterthur, Switzerland
Petr Korba: Institute of Energy Systems and Fluid Engineering, School of Engineering, Zurich University of Applied Sciences (ZHAW), 8401 Winterthur, Switzerland

Energies, 2022, vol. 15, issue 13, 1-19

Abstract: The increasing deployment of new technologies to contribute to the decarbonization of power systems is imposing new challenges in terms of system dynamics and stability. To deal with different operating and control issues in this sense, and support actual needs, advanced tools and solutions are required. Therefore, this paper presents a digital twin 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.

Keywords: digital twin; dynamic hardware emulator; parameter identification; power system dynamics; inter-area oscillations; wide area damping (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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