Real-Time Simulation and Hardware-in-the-Loop Testing Based on OPAL-RT ePHASORSIM: A Review of Recent Advances and a Simple Validation in EV Charging Management Systems

Saeed Golestan (), Hessam Golmohamadi, Rakesh Sinha, Florin Iov and Birgitte Bak-Jensen ()
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Saeed Golestan: AAU Energy, Aalborg University, 9220 Aalborg Øst, Denmark
Hessam Golmohamadi: AAU Energy, Aalborg University, 9220 Aalborg Øst, Denmark
Rakesh Sinha: AAU Energy, Aalborg University, 9220 Aalborg Øst, Denmark
Florin Iov: AAU Energy, Aalborg University, 9220 Aalborg Øst, Denmark
Birgitte Bak-Jensen: AAU Energy, Aalborg University, 9220 Aalborg Øst, Denmark

Energies, 2024, vol. 17, issue 19, 1-25

Abstract: Phasor-domain (RMS) simulations have become increasingly vital in modern power system analysis, particularly as the complexity and scale of these systems have expanded with the integration of renewable energy sources. ePHASORSIM, an advanced phasor-based simulation tool developed by OPAL-RT, plays a crucial role in this context by enabling real-time phasor-domain simulation and hardware-in-the-loop testing. To keep pace with these evolving needs, continuous efforts are being made to further improve the accuracy, efficiency, and reliability of ePHASORSIM-based simulations. These efforts include automating model conversion processes for enhanced integration with ePHASORSIM, extending ePHASORSIM’s simulation range with custom models, developing hybrid co-simulation techniques involving ePHASORSIM and an EMT simulator, enhancing simulation scalability, and refining HIL testing to achieve more precise validation of control and protection systems. This paper provides a comprehensive review of these recent advances. Additionally, the paper discusses the conversion of models from PowerFactory—a widely used and comprehensive modeling environment—to ePHASORSIM through both automated tools and manual methods using Excel workbooks, which has been discussed little in the literature. Furthermore, as ePHASORSIM is a relatively new tool with limited cross-validation studies, the paper aims to contribute to this area by presenting a comparative validation against DIgSILENT PowerFactory, with a specific emphasis on its application in electric vehicle charging management systems.

Keywords: charging management; demand response controls, electric vehicles (EVs); ePHASORSIM; hardware-in-the-loop (HIL) testing; model validation; OPAL-RT simulator; phasor measurement units (PMU); power system stability; protection; real-time simulation; relay performance evaluation; renewable energy integration (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: 2024
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