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Article Dans Une Revue IEEE Transactions on Dielectrics and Electrical Insulation Année : 2020

Characterization of partial discharges from a protrusion in HVDC coaxial geometry

Résumé

This paper aims at the detection and characterization of partial discharges (PD) in GIS under HVDC constraints in the presence of a protrusion/metallic particle on the high voltage conductor. It is shown that the use of the IEC 60270 standard does not allow for the detection of PDs. For that purpose, a very accurate steady-state current measurement and a high frequency measurement of the current and emitted light associated with the PDs are performed. The results evidence a close correlation between the PD and the steady-state current and light emission. The transition between pulse and pulseless forms of corona discharges is also evidenced.
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Dates et versions

hal-02470682 , version 1 (07-02-2020)

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Etienne Ouss, Abderrahmane Beroual, Alain Girodet, Guillermo Ortiz, Laëtitia Zavattoni, et al.. Characterization of partial discharges from a protrusion in HVDC coaxial geometry. IEEE Transactions on Dielectrics and Electrical Insulation, 2020, 27 (1), pp.148-155. ⟨10.1109/TDEI.2019.008359⟩. ⟨hal-02470682⟩
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