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

Cited By :1; Export Date: 4 March 2021; Conference Paper
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. © 2019 IEEE.

Ingår i:AMPS 2019 Proceedings: Institute of Electrical and Electronics Engineers Inc.9781728100753

Av författaren/redakt...: Rinaldi, S.; Di Cara, D.; Panzavecchia, N.; Tine, G.; Bonafini, F.; Ferrari, P.; visa fler...; Flammini, A.; Pasetti, M.; Sisinni, E.; Artale, G.; Cataliotti, A.; Cosentino, V.; visa färre...

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