An experimental characterization of time of arrival accuracy for time synchronization of medium voltage smart grid solutions

Giovanni Artale, Valentina Cosentino, Antonio Cataliotti, Nicola Panzavecchia, Valentina Cosentino, Rinaldi, Emiliano Sisinni, Giovanni Artale, Pasetti, Ferrari, Bonafini, Flammini, Antonio Cataliotti

Risultato della ricerca: Conference contribution

1 Citazioni (Scopus)

Abstract

The time synchronization of smart grid devices is a critical feature for the successful application of advanced grid monitoring and control techniques. Synchronization mechanisms based on the accurate estimation of the Time of Arrival (ToA) of network messages-sent over power line cables-are a promising solution to achieve synchronization tasks over distribution lines. In this paper, a chirp-based synchronization technique over the Medium Voltage (MV) grid has been proposed and characterized. Such approach has the benefit of not requiring the installation of a dedicated infrastructure, thanks to the exploitation of power distribution lines for the transmission of time synchronization data. The effectiveness of the approach has been experimentally evaluated on a simplified MV line available in a testing laboratory. Although, the tested chirp has a limited frequency bandwidth (80 kHz), the maximum variation of the ToA estimation is on the order of 3.5 μs, which fulfills the requirements of most smart grid applications.
Lingua originaleEnglish
Titolo della pubblicazione ospiteAMPS 2019 - 2019 10th IEEE International Workshop on Applied Measurements for Power Systems, Proceedings
Pagine94-99
Numero di pagine6
Stato di pubblicazionePublished - 2019

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Instrumentation

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