{"id":8497,"date":"2022-05-05T16:44:05","date_gmt":"2022-05-05T20:44:05","guid":{"rendered":"https:\/\/envari.com\/diagnostic-de-cables\/cable-testing\/"},"modified":"2023-03-16T10:31:02","modified_gmt":"2023-03-16T14:31:02","slug":"cable-testing","status":"publish","type":"page","link":"https:\/\/envari.com\/fr\/diagnostic-de-cables-draft\/cable-testing\/","title":{"rendered":"La technologie de CableQ"},"content":{"rendered":"

[vc_row content_width=\u00a0\u00bbgrid\u00a0\u00bb css_animation=\u00a0\u00bbqodef-element-from-fade\u00a0\u00bb el_class=\u00a0\u00bbent-hero dark grey-text\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1651862628412{background: #0a0a0a url(https:\/\/envari.com\/wp-content\/uploads\/2022\/05\/cableq-technology-banner-2.jpg?id=8548) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}\u00a0\u00bb el_id=\u00a0\u00bbpage-header\u00a0\u00bb][vc_column width=\u00a0\u00bb1\/2″ el_class=\u00a0\u00bbmobile-black-screen\u00a0\u00bb][vc_column_text css=\u00a0\u00bb.vc_custom_1651783069754{margin-bottom: 20px !important;}\u00a0\u00bb]<\/p>\n

La technologie de CableQ<\/h1>\n

[\/vc_column_text][vc_column_text el_class=\u00a0\u00bbent-hero-desc\u00a0\u00bb]Depuis plus de 40 ans, les c\u00e2bles XLPE sont largement utilis\u00e9s dans le monde entier pour assurer la distribution ininterrompue de l\u2019\u00e9lectricit\u00e9 dans les zones urbaines.[\/vc_column_text][\/vc_column][vc_column width=\u00a0\u00bb1\/2″][\/vc_column][\/vc_row][vc_row content_width=\u00a0\u00bbgrid\u00a0\u00bb el_class=\u00a0\u00bbdark vert-align grey-text\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1651784408816{padding-top: 60px !important;padding-bottom: 40px !important;}\u00a0\u00bb][vc_column width=\u00a0\u00bb1\/2″ css=\u00a0\u00bb.vc_custom_1651784439130{padding-bottom: 20px !important;}\u00a0\u00bb][vc_column_text css_animation=\u00a0\u00bbfadeIn\u00a0\u00bb]<\/p>\n

La solution CableQ<\/h3>\n

Les c\u00e2bles XLPE sont largement utilis\u00e9s dans le monde entier pour distribuer l\u2019\u00e9lectricit\u00e9 dans les zones urbaines, et ce, depuis plus de 40 ans. Notre service unique et exclusif consiste en un test diagnostique qui s\u2019effectue sur place et qui mesure le courant de d\u00e9polarisation \u00e0 l\u2019int\u00e9rieur d\u2019un c\u00e2ble isol\u00e9 et hors tension. Les r\u00e9sultats classent l\u2019\u00e9tat du c\u00e2ble dans l\u2019une des cat\u00e9gories suivantes : bon, acceptable, mauvais. L\u2019un des principaux m\u00e9canismes de vieillissement des c\u00e2bles XLPE souterrains est la formation d\u2019arborescences d\u2019eau. Avec le temps, celles-ci peuvent prendre de l\u2019ampleur et d\u00e9t\u00e9riorer la qualit\u00e9 de l\u2019isolant.<\/p>\n

CableQ utilise un \u00ab indice de sant\u00e9 \u00bb de 0 \u00e0 100 % pour \u00e9valuer l\u2019\u00e9tat d\u2019un c\u00e2ble \u00e0 moyenne tension selon la progression des arborescences d\u2019eau. Il existe une corr\u00e9lation constante entre un indice de sant\u00e9 de valeur plus \u00e9lev\u00e9e et la longueur et la densit\u00e9 des arborescence d\u2019eau pr\u00e9sentes dans l\u2019isolant.[\/vc_column_text][\/vc_column][vc_column width=\u00a0\u00bb1\/2″ css=\u00a0\u00bb.vc_custom_1651784384515{padding-top: 30px !important;padding-right: 30px !important;padding-bottom: 20px !important;padding-left: 30px !important;}\u00a0\u00bb][vc_single_image image=\u00a0\u00bb6281″ img_size=\u00a0\u00bb250×364″ alignment=\u00a0\u00bbcenter\u00a0\u00bb css_animation=\u00a0\u00bbfadeIn\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1651850478910{padding-bottom: 20px !important;}\u00a0\u00bb][vc_column_text]<\/p>\n

R\u00e9sultats Rapides et Tra\u00e7ables
\n[PDF]<\/a><\/p>\n

[\/vc_column_text][\/vc_column][\/vc_row][vc_row content_width=\u00a0\u00bbgrid\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1651783808463{padding-top: 60px !important;padding-bottom: 30px !important;}\u00a0\u00bb el_class=\u00a0\u00bbgrey-titles\u00a0\u00bb][vc_column][vc_column_text]<\/p>\n

\u00c0 propos des arborescences d\u2019eau<\/h2>\n

[\/vc_column_text][\/vc_column][\/vc_row][vc_row content_width=\u00a0\u00bbgrid\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1651783923059{padding-bottom: 60px !important;}\u00a0\u00bb][vc_column width=\u00a0\u00bb1\/2″ css=\u00a0\u00bb.vc_custom_1651783825658{padding-bottom: 20px !important;}\u00a0\u00bb][vc_column_text]<\/p>\n

Une arborescence d\u2019eau peut se d\u00e9finir ainsi : de petits canaux d\u2019humidit\u00e9 et d\u2019impuret\u00e9s ioniques en forme d\u2019arbre qui se diffusent \u00e0 l\u2019int\u00e9rieur de l\u2019isolant d\u2019un c\u00e2ble XLPE et se propagent sous l\u2019effet du champ \u00e9lectrique. Au fur et \u00e0 mesure que l\u2019arborescence d\u2019eau gagne en longueur et en densit\u00e9, elle contribue \u00e0 alt\u00e9rer la qualit\u00e9 de l\u2019isolant.<\/h4>\n

Avec le temps, les arborescences d\u2019eau peuvent se transformer en arborescences \u00e9lectriques. La formation d\u2019arborescences \u00e9lectriques peut \u00e9galement progresser plus rapidement si le c\u00e2ble est soumis \u00e0 des tensions \u00e9lev\u00e9es de fonctionnement. Lorsqu\u2019un c\u00e2ble est soumis \u00e0 une tension sup\u00e9rieure \u00e0 sa tension nominale, peu importe la dur\u00e9e, le risque que les arborescences d\u2019eau se transforment en arborescences \u00e9lectriques s\u2019accro\u00eet consid\u00e9rablement. D\u00e8s que les arborescences \u00e9lectriques sont form\u00e9es, la d\u00e9faillance est imminente.[\/vc_column_text][\/vc_column][vc_column width=\u00a0\u00bb1\/2″ css=\u00a0\u00bb.vc_custom_1651783831581{padding-bottom: 20px !important;}\u00a0\u00bb][vc_column_text]De nombreuses m\u00e9thodes d\u2019essai traditionnelles appliquent 150 % de la tension nominale du c\u00e2ble. La technologie non destructrice de CableQ applique un maximum de 30 % de la tension nominale du c\u00e2ble pour d\u00e9tecter avec pr\u00e9cision la pr\u00e9sence d\u2019arborescences d\u2019eau sans risquer de les transformer en arborescences \u00e9lectriques.<\/p>\n

Le Conseil national de recherches du Canada a pass\u00e9 des d\u00e9cennies \u00e0 \u00e9tudier l\u2019effet des arborescences d\u2019eau sur l\u2019isolant vieillissant des c\u00e2bles. Les scientifiques sont parvenus \u00e0 \u00e9tablir un lien entre la pr\u00e9sence d\u2019arborescences d\u2019eau dans les c\u00e2bles et le taux de d\u00e9faillance de ceux-ci. Les recherches ont men\u00e9 au d\u00e9veloppement d\u2019un indicateur QDep de diagnostic (0-100 %) qui d\u00e9termine dans quelle mesure les arborescences d\u2019eau alt\u00e8rent l\u2019isolant, et ce, \u00e0 1 % pr\u00e8s, ce qui permet de conna\u00eetre avec pr\u00e9cision l\u2019\u00e9tat v\u00e9ritable du c\u00e2ble.[\/vc_column_text][\/vc_column][\/vc_row][vc_row content_width=\u00a0\u00bbgrid\u00a0\u00bb el_class=\u00a0\u00bbdark vert-align cta-parallax\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1649174342339{background: #1e2516 url(https:\/\/envari.com\/wp-content\/uploads\/2022\/04\/case-study-bg.jpg?id=7143) !important;}\u00a0\u00bb][vc_column width=\u00a0\u00bb1\/2″ css=\u00a0\u00bb.vc_custom_1648222704605{padding-top: 70px !important;padding-bottom: 60px !important;}\u00a0\u00bb][vc_column_text]<\/p>\n

Veridian<\/h2>\n

Veridian a int\u00e9gr\u00e9 la technologie non invasive de test de c\u00e2bles offerte par CableQ \u00e0 diverses autres mesures visant \u00e0 \u00e9valuer l\u2019\u00e9tat de sant\u00e9 des c\u00e2bles et d\u00e9terminer si des c\u00e2bles doivent \u00eatre inject\u00e9s ou remplac\u00e9s.[\/vc_column_text][\/vc_column][vc_column width=\u00a0\u00bb1\/6″][\/vc_column][vc_column width=\u00a0\u00bb1\/3″]\n

\n <\/span>\n <\/div>\n Voir l\u2019\u00e9tude de cas<\/span>\n <\/span>\n<\/a>[\/vc_column][\/vc_row][vc_row row_type=\u00a0\u00bbparallax\u00a0\u00bb content_width=\u00a0\u00bbgrid\u00a0\u00bb full_screen_section_height=\u00a0\u00bbno\u00a0\u00bb parallax_background_image=\u00a0\u00bb8070″ parallax_speed=\u00a0\u00bb1″ el_class=\u00a0\u00bbdark vert-align cta-parallax\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1651167535521{border-bottom-width: 60px !important;background-color: #6ca5c1 !important;}\u00a0\u00bb][vc_column width=\u00a0\u00bb1\/2″ css=\u00a0\u00bb.vc_custom_1648222704605{padding-top: 70px !important;padding-bottom: 60px !important;}\u00a0\u00bb][vc_column_text]<\/p>\n

Contactez-nous pour savoir comment CableQ peut aider votre entreprise \u00e0 \u00e9viter des pannes pr\u00e9visibles.<\/h2>\n

[\/vc_column_text][\/vc_column][vc_column width=\u00a0\u00bb1\/6″][\/vc_column][vc_column width=\u00a0\u00bb1\/3″]\n

\n <\/span>\n <\/div>\n Contactez-nous<\/span>\n <\/span>\n<\/a>[\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

[vc_row content_width=\u00a0\u00bbgrid\u00a0\u00bb css_animation=\u00a0\u00bbqodef-element-from-fade\u00a0\u00bb el_class=\u00a0\u00bbent-hero dark grey-text\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1651862628412{background: #0a0a0a url(https:\/\/envari.com\/wp-content\/uploads\/2022\/05\/cableq-technology-banner-2.jpg?id=8548) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}\u00a0\u00bb el_id=\u00a0\u00bbpage-header\u00a0\u00bb][vc_column width=\u00a0\u00bb1\/2″ el_class=\u00a0\u00bbmobile-black-screen\u00a0\u00bb][vc_column_text css=\u00a0\u00bb.vc_custom_1651783069754{margin-bottom: 20px !important;}\u00a0\u00bb] La technologie de CableQ [\/vc_column_text][vc_column_text el_class=\u00a0\u00bbent-hero-desc\u00a0\u00bb]Depuis plus de 40 ans, les c\u00e2bles XLPE sont largement utilis\u00e9s dans le monde entier pour assurer la…<\/p>\n","protected":false},"author":15,"featured_media":0,"parent":7289,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"full-width.php","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-8497","page","type-page","status-publish","hentry"],"yoast_head":"\nLa technologie de CableQ - 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