| 摘要 |
The invention concerns a detecting device ( 1 ) comprising a database ( 10 ) including a plurality of membership classes, whereof one first class concerns a corona phase, and an assembly ( 5 ) comprising means for measuring electric current and electric voltage on an electric cable ( 2 ), means for filtering said measurements, and means for digitizing the filtered measurements and forming two digitized data segments, as well as an assembly ( 8 ) comprising means for subjecting each of the two segments to a number of functions to constitute a form vector, means for determining the membership class of said form vector, using the database ( 10 ), and means for deducing therefrom the presence or absence of an electric are phenomenon.
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