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An On-Line Real-Time Monitoring Method for Locating Natural Triggered Events on Medium Voltage Power Grids

Moussa Kafal 1 Nicolas Gregis 1 Jaume Benoit 1 Nicolas Ravot 1
1 LFIC - Laboratoire Fiabilité et Intégration de Capteurs
DM2I - Département Métrologie Instrumentation & Information : DRT/LIST/DM2I
Abstract : Time reversal (TR) has been recently adapted with success to locate faults in power grids, thanks to its location accuracy and robustness against parameters uncertainties. FasTR algorithm, a post-processing approach based on the tenets of TR, has shown promising results in locating disturbances along transmission line networks. This paper presents the outcome of tests performed on a 2.6 km energized three-phase 20 kV buried pilot network. The tests involve single-phase-to-ground fault occurrences manually triggered, and a 3-month real-time continuous monitoring while the network is in normal operation. The fault location task is performed by a system composed four components: distributed high-speed measurement devices, accurate time synchronization, a communication tool between sensors and the FasTR post-processing algorithm. The obtained results demonstrated the capacity of an on-the-shelf portable system to make an on-line accurate detection of transient faults in a complex network.
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https://hal-cea.archives-ouvertes.fr/cea-03078799
Contributor : Marie-France Robbe Connect in order to contact the contributor
Submitted on : Wednesday, December 16, 2020 - 8:18:15 PM
Last modification on : Friday, June 25, 2021 - 10:00:02 AM
Long-term archiving on: : Wednesday, March 17, 2021 - 8:11:48 PM

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  • HAL Id : cea-03078799, version 1

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Moussa Kafal, Nicolas Gregis, Jaume Benoit, Nicolas Ravot. An On-Line Real-Time Monitoring Method for Locating Natural Triggered Events on Medium Voltage Power Grids. URSI GASS 2020 - XXXIII General Assembly and Scientific Symposium, International Union of Radio Science (Union Radio Scientifique Internationale-URSI), Aug 2020, Rome, Italy. pp.PID6347245. ⟨cea-03078799⟩

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