Title (en)

METHOD FOR LOCATING PARTIAL DISCHARGES IN AN ELECTRICAL APPARATUS, SYSTEM FOR LOCATING PARTIAL DISCHARGES AND COUPLING HOUSING

Title (de)

VERFAHREN ZUR ORTUNG VON TEILENTLADUNGEN IN EINER ELEKTRISCHEN VORRICHTUNG, SYSTEM ZUR ORTUNG VON TEILENTLADUNGEN UND KOPPELGEHÄUSE

Title (fr)

PROCÉDÉ DE LOCALISATION DE DÉCHARGES PARTIELLES DANS UN APPAREILLAGE ÉLECTRIQUE, SYSTÈME DE LOCALISATION DE DÉCHARGES PARTIELLES ET BOITIER DE COUPLAGE

Publication

EP 3347727 A1 20180718 (FR)

Application

EP 16769889 A 20160908

Priority

• FR 1558306 A 20150908
• EP 2016071162 W 20160908

Abstract (en)

[origin: WO2017042261A1] The invention relates to a method for locating a partial discharge in a high-voltage electrical apparatus (10) insulated by a dielectric fluid comprising at least one first and one second UHF sensor (11, 12). The method comprises the following steps: E1 recovering a first and a second signal, separating each of the first and second signals into at least two representative signals, combining the representative signals, calculating an interference function from the representative signals in the frequency range, and determining the location of the partial discharge from the calculated interference function. The invention further relates to a system for locating a partial discharge and a coupling housing occupying such a system.

IPC 8 full level

G01R 31/08 (2006.01); G01R 31/12 (2006.01)

CPC (source: EP)

G01R 31/08 (2013.01); G01R 31/1254 (2013.01); G01R 31/088 (2013.01)

Citation (search report)

See references of WO 2017042261A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

FR 3040781 A1 20170310; FR 3040781 B1 20171013; EP 3347727 A1 20180718; WO 2017042261 A1 20170316

DOCDB simple family (application)

FR 1558306 A 20150908; EP 16769889 A 20160908; EP 2016071162 W 20160908