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Characterization Procedure for Stand-Alone Merging Units Based on Hardware-in-the-Loop Technology

Author

Listed:
  • Alessandro Mingotti

    (Department of Electrical, Electronic and Information Engineering, Guglielmo Marconi, Alma Mater Studiorum, University of Bologna, Viale del Risorgimento 2, 40136 Bologna, Italy)

  • Federica Costa

    (Department of Electrical, Electronic and Information Engineering, Guglielmo Marconi, Alma Mater Studiorum, University of Bologna, Viale del Risorgimento 2, 40136 Bologna, Italy)

  • Lorenzo Peretto

    (Department of Electrical, Electronic and Information Engineering, Guglielmo Marconi, Alma Mater Studiorum, University of Bologna, Viale del Risorgimento 2, 40136 Bologna, Italy)

  • Roberto Tinarelli

    (Department of Electrical, Electronic and Information Engineering, Guglielmo Marconi, Alma Mater Studiorum, University of Bologna, Viale del Risorgimento 2, 40136 Bologna, Italy)

Abstract

The digitalization of a medium voltage network requires huge efforts from distributed system operators and electric utilities. The main reason is attributed to the costs associated with the replacement or introduction of new intelligent electronic devices capable of collecting and digitalizing current and voltage measurements. To this purpose, this paper introduces a new idea of a stand-alone merging unit (SAMU), which features real-time and hardware-in-the-loop technology, completed with accurate voltage and current sensors. Furthermore, the characterization procedure that allows an evaluation of the metrological performance of a complex device, such as a SAMU, is fully described. From the results, it is highlighted that (i) the developed SAMU is capable of performing highly accurate voltage, current, and power measurements; (ii) the characterization procedure is simple and exploitable for all kinds of SAMUs and other synchronized measurement devices.

Suggested Citation

  • Alessandro Mingotti & Federica Costa & Lorenzo Peretto & Roberto Tinarelli, 2021. "Characterization Procedure for Stand-Alone Merging Units Based on Hardware-in-the-Loop Technology," Energies, MDPI, vol. 14(7), pages 1-23, April.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:7:p:1993-:d:530163
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