{"id":15721,"date":"2025-09-18T11:06:43","date_gmt":"2025-09-18T09:06:43","guid":{"rendered":"https:\/\/lettel.com\/?post_type=ressources&#038;p=15721"},"modified":"2026-01-21T10:41:27","modified_gmt":"2026-01-21T09:41:27","slug":"probleme-energie-negative-diagnostic-solutions","status":"publish","type":"ressources","link":"https:\/\/lettel.com\/fr\/ressources\/probleme-energie-negative-diagnostic-solutions\/","title":{"rendered":"Probl\u00e8me d\u2019\u00e9nergie n\u00e9gative : diagnostic et solutions techniques"},"content":{"rendered":"\r\n\r\n<section class=\"blc-heroSingle\">\r\n\r\n\t<div class=\"container\">\r\n\t\t<div class=\"row gy-5\">\r\n\r\n\t\t\t<div class=\"col-xl-5 col-lg-6\">\r\n\t\t\t\t<div class=\"blc-heroSingle_txt\">\r\n\t\t\t\t\t<div class=\"blc-heroSingle_dates\">\r\n\t\t\t\t\t\t<span class=\"blc-heroSingle_supttl\">Publi\u00e9 le 18 septembre 2025&nbsp;&#8211;<\/span>\r\n\t\t\t\t\t\t<span class=\"blc-heroSingle_supttl\">&nbsp;Modifi\u00e9 le 21 janvier 2026<\/span>\r\n\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<h1 class='blc-heroSingle_ttl' class='blc-heroSingle_ttl' id=\"probleme-denergie-negative-diagnostic-et-solutions-techniques\">Probl\u00e8me d\u2019\u00e9nergie n\u00e9gative : diagnostic et solutions techniques<\/h1>\r\n\t\t\t\t\t<p class=\"blc-heroSingle_data\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"blc-heroSingle_tags\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\r\n\t\t\t\t\t\t\t\t\t\t\t<\/p>\r\n\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t\t\r\n\t\t\t<div class=\"col-xl-6 col-lg-5 offset-lg-1\">\r\n\t\t\t\t<figure class=\"heroSingle_med media-wrp__16x9 full\">\r\n\t\t\t\t\t<img decoding=\"async\" alt=\"Mesure et \u00e9nergie n\u00e9gative\" src=\"https:\/\/lettel.com\/wp-content\/uploads\/2025\/09\/cahier-energie-negative.jpg\" srcset=\"https:\/\/lettel.com\/wp-content\/uploads\/2025\/09\/cahier-energie-negative-300x300.jpg 300w, https:\/\/lettel.com\/wp-content\/uploads\/2025\/09\/cahier-energie-negative-150x150.jpg 150w, https:\/\/lettel.com\/wp-content\/uploads\/2025\/09\/cahier-energie-negative-768x768.jpg 768w, https:\/\/lettel.com\/wp-content\/uploads\/2025\/09\/cahier-energie-negative-600x600.jpg 600w, https:\/\/lettel.com\/wp-content\/uploads\/2025\/09\/cahier-energie-negative-100x100.jpg 100w, https:\/\/lettel.com\/wp-content\/uploads\/2025\/09\/cahier-energie-negative.jpg 1000w\" sizes=\"(min-width: 992px) 893px, (min-width: 1200px) 1080px, (min-width: 1400px) 1260px, (min-width: 1600px) 1440px, 100vw\">\t\t\t\t\t\t\t\t\t<\/figure>\r\n\t\t\t<\/div>\r\n\r\n\t\t<\/div>\r\n\t<\/div>\r\n<\/section>\r\n\r\n\n\n\r\n\r\n<section class=\"blc-content-post spc-s5 bg-cw \"> \r\n\t<div class=\"container\">\r\n\r\n\t\t<div class=\"row\">\r\n\t\t\t<div class=\"col-lg-8\">\r\n\t\t\t\t\t<div class=\"editor\">\r\n\t\t\t\t\t\t<p><span data-olk-copy-source=\"MessageBody\">Vous constatez qu\u2019une des phases affiche une puissance et\/ou une \u00e9nergie active n\u00e9gative,<\/span>&nbsp;cela peut indiquer un d\u00e9faut de raccordement.<\/p>\n<p><span style=\"color: #1b1945; font-weight: 600;\">Appliquez pas \u00e0 pas notre guide en 5 \u00e9tapes pour identifier l\u2019origine du probl\u00e8me et trouver la r\u00e9ponse technique appropri\u00e9e.<\/span><\/p>\n<h2 id=\"1-verifiez-la-presence-dune-production-delectricite-sur-site\">1. V\u00e9rifiez la pr\u00e9sence d&rsquo;une production d\u2019\u00e9lectricit\u00e9 sur site<\/h2>\n<p data-start=\"243\" data-end=\"445\">Dans les installations \u00e9lectriques qui produisent leur propre \u00e9lectricit\u00e9 tels que les panneaux photovolta\u00efques, \u00e9oliennes, batteries ou autres, l\u2019apparition d\u2019\u00e9nergie n\u00e9gative est souvent <strong data-start=\"417\" data-end=\"442\">normale et temporaire<\/strong>.<\/p>\n<p><span data-ogsc=\"red\" data-olk-copy-source=\"MessageBody\">Par exemple, si vos panneaux solaires produisent plus d&rsquo;\u00e9nergie que ce que vous consommez, l&rsquo;exc\u00e9dent d&rsquo;\u00e9nergie est renvoy\u00e9 vers le r\u00e9seau. Le compteur, dans ce cas, mesure cette \u00e9nergie comme une <strong>puissance active&nbsp;n\u00e9gative<\/strong>.<\/span><\/p>\n<p data-start=\"647\" data-end=\"797\">Cela n\u2019indique pas une erreur de c\u00e2blage ou un probl\u00e8me technique complexe, mais juste un <strong data-start=\"737\" data-end=\"796\">fonctionnement normal li\u00e9 \u00e0 la production intermittente<\/strong>.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lettel.com\/wp-content\/uploads\/2025\/09\/panneaux-solaires.jpg\" alt=\"panneaux solaires\" \/><\/p>\n<h2 id=\"2-controlez-le-sens-dinstallation-des-transformateurs-de-courant\">2. Contr\u00f4lez le sens d\u2019installation des transformateurs de courant<\/h2>\n<p><strong>Le sens de montage du transformateur de courant interpr\u00e8te le sens de circulation de l\u2019\u00e9nergie.<\/strong><\/p>\n<div class=\"row align-items-center mt-2\">\n<div class=\"col-xl-5\">\n<p>Il est primordial d\u2019installer un transformateur de courant dans le bon sens. Vous trouverez sur le <strong>TC<\/strong> la plupart du temps ces inscriptions qui permettent de d\u00e9terminer le sens : <strong>P1 \u2192 P2<\/strong>, ou une fl\u00e8che vers la charge.<\/p>\n<p>Si le sens est invers\u00e9, le courant mesur\u00e9 est <strong>oppos\u00e9<\/strong> au courant r\u00e9el.<\/p>\n<p><strong>R\u00e9sultat<\/strong> : le syst\u00e8me interpr\u00e8te qu\u2019au lieu de consommer de l\u2019\u00e9nergie, vous en produisez. Vous affichez donc de l\u2019\u00e9nergie n\u00e9gative.<\/p>\n<\/div>\n<div class=\"col-xl-6 offset-lg-1\"><img decoding=\"async\" class=\"img-fluid d-block mx-auto mx-md-0 p-2\" style=\"max-width: 340px; display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/lettel.com\/wp-content\/uploads\/2025\/09\/MTCF_schema.jpg\" alt=\"TC sens du courant\" \/><\/div>\n<\/div>\n<h2 id=\"3-verifiez-la-polarite-du-raccordement-des-transformateurs-de-courant\">3. V\u00e9rifiez la polarit\u00e9 du raccordement des transformateurs de courant<\/h2>\n<div class=\"row align-items-center\">\n<p><strong>Une inversion de polarit\u00e9 donne une mesure invers\u00e9e.<\/strong><\/p>\n<div class=\"col-xl-5\">\n<p data-start=\"704\" data-end=\"736\">C\u2019est une erreur qui donne exactement le m\u00eame sympt\u00f4me qu\u2019un TC mont\u00e9 \u00e0 l\u2019envers, mais cette fois au niveau du <strong data-start=\"589\" data-end=\"616\">raccordement \u00e9lectrique<\/strong> et non du placement physique.<\/p>\n<p><strong>La solution<\/strong><\/p>\n<p>V\u00e9rifiez attentivement le raccordement des bornes de vos TC. Assurez-vous que les bornes <strong>S1\/K\/+<\/strong> et <strong>S2\/L\/\u2013<\/strong> sont bien raccord\u00e9es aux bornes correspondantes du compteur ou de la centrale de mesure.<\/p>\n<\/div>\n<div class=\"col-xl-6 p-1 offset-lg-1\"><img decoding=\"async\" class=\"px-3\" style=\"max-height: 380px; width: auto;\" src=\"https:\/\/lettel.com\/wp-content\/uploads\/2025\/09\/raccordement-tc.jpg\" alt=\"Sch\u00e9ma polarit\u00e9s\" \/><\/div>\n<\/div>\n<div class=\"col-lg-12\">\n<div class=\"bg-c4 p-3 mt-3\" style=\"color: white;\">\n<h3 style=\"color: white; margin-top: 0px; padding: 0px;\" style=\"color: white; margin-top: 0px; padding: 0px;\" id=\"astuce-pratique\"><span style=\"color: #fdc300;\">Astuce pratique<\/span><\/h3>\n<p data-start=\"1160\" data-end=\"1256\">Lors de la pose, utilisez des colliers ou gaines de couleur : rouge pour <strong><span style=\"color: #ffffff;\">S1\/K<\/span><\/strong> et noir pour <strong><span style=\"color: #ffffff;\">S2\/L<\/span><\/strong>.<\/p>\n<\/div>\n<div>\n<h2 id=\"4-verifiez-lordre-des-phases\">4. V\u00e9rifiez l\u2019ordre des phases<\/h2>\n<p data-start=\"306\" data-end=\"603\">En triphas\u00e9, l\u2019\u00e9lectricit\u00e9 circule sur trois conducteurs appel\u00e9s <strong data-start=\"371\" data-end=\"381\">phases <\/strong>not\u00e9es A, B et C. <strong>Ces phases ne sont pas synchrones<\/strong>, chacune est d\u00e9cal\u00e9e de <strong>120\u00b0<\/strong> par rapport aux autres. C\u2019est ce d\u00e9calage qui permet de faire tourner un moteur ou de r\u00e9partir la puissance de mani\u00e8re \u00e9quilibr\u00e9e.<\/p>\n<p data-start=\"605\" data-end=\"900\"><strong>Mais attention<\/strong> : si l\u2019ordre de raccordement des phases sur les entr\u00e9es tension et courant n\u2019est pas respect\u00e9 (par exemple A-C-B au lieu de A-B-C), les mesures du compteur deviennent incoh\u00e9rentes.<\/p>\n<p data-start=\"605\" data-end=\"900\"><strong>R\u00e9sultat<\/strong> : vous pouvez voir appara\u00eetre une <strong data-start=\"806\" data-end=\"840\">\u00e9nergie n\u00e9gative sur une phase<\/strong>, alors qu\u2019en r\u00e9alit\u00e9 c\u2019est juste un probl\u00e8me de s\u00e9quence.<\/p>\n<div class=\"row mt-3 text-center\">\n<div class=\"col-12 col-lg-6\">\n<h4 id=\"bon-schema-de-raccordement\">Bon sch\u00e9ma de raccordement<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/lettel.com\/wp-content\/uploads\/2025\/09\/schema-map4-34rj.jpg\" alt=\"Sch\u00e9ma raccordement\" \/><\/p>\n<\/div>\n<div class=\"col-12 col-lg-6\">\n<h4 id=\"mauvais-schema-de-raccordement\">Mauvais sch\u00e9ma de raccordement<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/lettel.com\/wp-content\/uploads\/2025\/09\/schema-mauvais-raccordement.jpg\" alt=\"Sch\u00e9ma mauvais raccordement\" \/><\/p>\n<\/div>\n<\/div>\n<p data-start=\"902\" data-end=\"926\"><strong data-start=\"902\" data-end=\"924\">Comment v\u00e9rifier ?<\/strong><\/p>\n<ul data-start=\"927\" data-end=\"1157\">\n<li data-start=\"927\" data-end=\"1028\">\n<p data-start=\"929\" data-end=\"1028\">Avec un <strong data-start=\"937\" data-end=\"969\">testeur de s\u00e9quence de phase<\/strong> : il vous dira si les phases arrivent bien dans l\u2019ordre,<\/p>\n<\/li>\n<li data-start=\"1029\" data-end=\"1157\">\n<p data-start=\"1031\" data-end=\"1157\">En comparant physiquement l&rsquo;ordre des phases sur les raccordements des entr\u00e9es de tensions et de courants,<\/p>\n<\/li>\n<li>A l&rsquo;aide de certains instruments de mesure qui indiquent une incoh\u00e9rence dans l\u2019ordre des phases.<\/li>\n<\/ul>\n<h2 id=\"5-confirmez-lordre-des-phases-du-circuit-jusquau-compteur\">5. Confirmez l\u2019ordre des phases du circuit jusqu\u2019au compteur<\/h2>\n<p data-start=\"245\" data-end=\"483\">Apr\u00e8s avoir v\u00e9rifi\u00e9 la coh\u00e9rence du s\u00e9quen\u00e7age au niveau des mesures locales, il faut contr\u00f4ler que cet ordre est bien respect\u00e9 tout au long du circuit \u00e9lectrique, jusqu\u2019au compteur.<\/p>\n<p data-start=\"485\" data-end=\"509\"><strong data-start=\"902\" data-end=\"924\">Comment v\u00e9rifier ?<\/strong><\/p>\n<ul>\n<li>\n<p data-start=\"512\" data-end=\"610\"><strong data-start=\"512\" data-end=\"545\">Respect de l\u2019ordre des phases<\/strong> : assurez-vous que le c\u00e2blage conserve bien la s\u00e9quence A-B-C,<\/p>\n<\/li>\n<li>\n<p data-start=\"512\" data-end=\"610\">Consultez les donn\u00e9es de votre compteur\/centrale de mesure. L\u2019ordre des phases est parfois indiqu\u00e9,<\/p>\n<\/li>\n<li>\n<p data-start=\"749\" data-end=\"893\"><strong data-start=\"749\" data-end=\"767\">Angle de phase<\/strong> : en triphas\u00e9 \u00e9quilibr\u00e9, l\u2019angle entre deux phases doit \u00eatre de <strong data-start=\"832\" data-end=\"840\">120\u00b0<\/strong>. Une valeur diff\u00e9rente peut r\u00e9v\u00e9ler une inversion,<\/p>\n<\/li>\n<li>\n<p data-start=\"896\" data-end=\"1042\"><strong data-start=\"896\" data-end=\"916\">Parcours complet<\/strong> : repartez depuis l\u2019arriv\u00e9e \u00e9lectrique et suivez chaque phase jusqu\u2019au compteur pour v\u00e9rifier qu\u2019aucune inversion de phase n\u2019est pr\u00e9sente sur le circuit.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"896\" data-end=\"1042\"><strong>En r\u00e9sum\u00e9<\/strong> : m\u00eame si le s\u00e9quen\u00e7age semble correct sur un point de mesure, une inversion de phase en amont peut entra\u00eener des incoh\u00e9rences et afficher de l\u2019\u00e9nergie n\u00e9gative sur une phase.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lettel.com\/wp-content\/uploads\/2025\/09\/verifi-circuit.jpg\" alt=\"v\u00e9rification compl\u00e8te circuit\" \/><\/p>\n<h2 id=\"conclusion\">Conclusion<\/h2>\n<p>En suivant ces cinq \u00e9tapes de v\u00e9rification, vous identifierez la cause de l\u2019\u00e9nergie n\u00e9gative observ\u00e9e sur une phase et, dans la grande majorit\u00e9 des cas, vous apporterez la solution ad\u00e9quate.<\/p>\n<\/div>\n<div>\n<div style=\"padding: 40px; background-color: #1b1945; color: white; font-weight: 500; margin-top: 50px;\">\n<p><img decoding=\"async\" style=\"float: left; width: 70px !important; height: 70px !important; margin-right: 20px;\" src=\"https:\/\/lettel.com\/wp-content\/uploads\/2021\/11\/favicon.png\" \/>Besoin d\u2019aide suppl\u00e9mentaire ? N\u2019h\u00e9sitez pas \u00e0 contacter notre support technique. Nos \u00e9quipes pourront vous accompagner dans l\u2019analyse des mesures et vous guider pas \u00e0 pas pour r\u00e9soudre votre probl\u00e8me.<\/p>\n<div style=\"display: flex; justify-content: center; margin-top: 20px;\"><a class=\"c-btn btn btn-c1\" href=\"mailto:support@lettel.fr\" target=\"_blank\" rel=\"noopener\">Support technique<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\r\n<div class=\"c-socials-share\">\r\n  <p class=\"c-ttl\">Partager l&rsquo;article&nbsp;:<\/p>\r\n  <ul class=\"c-list\">\r\n    <li><a href=\"https:\/\/www.linkedin.com\/shareArticle?mini=true&#038;url=https:\/\/lettel.com\/fr\/ressources\/probleme-energie-negative-diagnostic-solutions\/&#038;title=Probl\u00e8me d\u2019\u00e9nergie n\u00e9gative : diagnostic et solutions techniques\" target=\"_blank\" onclick=\"javascript:window.open(this.href, '', 'menubar=no,toolbar=no,resizable=yes,scrollbars=yes,height=600,width=600');return false;\" title=\"Linkedin\"><i class=\"bi bi-linkedin\"><\/i><\/a><\/li>\r\n    <li><a href=\"mailto:?subject=Probl\u00e8me d\u2019\u00e9nergie n\u00e9gative : diagnostic et solutions techniques&amp;body=https:\/\/lettel.com\/fr\/ressources\/probleme-energie-negative-diagnostic-solutions\/\" title=\"Email\"><i class=\"bi bi-envelope-fill\"><\/i><span><\/span><\/a><\/li>\r\n\r\n      <\/ul>\r\n<\/div>\r\n\t\t\t\t\t\t\t\t<\/div>\r\n\r\n\t\t\t<aside class=\"col-lg-3 offset-lg-1 d-none d-lg-block \">\r\n\t\t\t\t\t<div class=\"c-aside-wrp\">\r\n\t\t\t\t\t\t\r\n<div class=\"c-socials-share\">\r\n  <p class=\"c-ttl\">Partager l&rsquo;article&nbsp;:<\/p>\r\n  <ul class=\"c-list\">\r\n    <li><a href=\"https:\/\/www.linkedin.com\/shareArticle?mini=true&#038;url=https:\/\/lettel.com\/fr\/ressources\/probleme-energie-negative-diagnostic-solutions\/&#038;title=Probl\u00e8me d\u2019\u00e9nergie n\u00e9gative : diagnostic et solutions techniques\" target=\"_blank\" onclick=\"javascript:window.open(this.href, '', 'menubar=no,toolbar=no,resizable=yes,scrollbars=yes,height=600,width=600');return false;\" title=\"Linkedin\"><i class=\"bi bi-linkedin\"><\/i><\/a><\/li>\r\n    <li><a href=\"mailto:?subject=Probl\u00e8me d\u2019\u00e9nergie n\u00e9gative : diagnostic et solutions techniques&amp;body=https:\/\/lettel.com\/fr\/ressources\/probleme-energie-negative-diagnostic-solutions\/\" title=\"Email\"><i class=\"bi bi-envelope-fill\"><\/i><span><\/span><\/a><\/li>\r\n\r\n      <\/ul>\r\n<\/div>\r\n\t\t\t\t\t\t<div class=\"c-nav\">\r\n\t\t\t\t\t\t\t\t<p class=\"c-nav_ttl\">Sommaire<\/p>\r\n\t\t\t\t\t\t\t\t<ul class='table-content'><li class='table-content_item-lvl-2'><a class='table-content_link' href='#1-verifiez-la-presence-dune-production-delectricite-sur-site'>1. V\u00e9rifiez la pr\u00e9sence d&rsquo;une production d\u2019\u00e9lectricit\u00e9 sur site<\/a><li><a class='table-content_link' href='#2-controlez-le-sens-dinstallation-des-transformateurs-de-courant'>2. Contr\u00f4lez le sens d\u2019installation des transformateurs de courant<\/a><li><a class='table-content_link' href='#3-verifiez-la-polarite-du-raccordement-des-transformateurs-de-courant'>3. V\u00e9rifiez la polarit\u00e9 du raccordement des transformateurs de courant<\/a><li><a class='table-content_link' href='#4-verifiez-lordre-des-phases'>4. V\u00e9rifiez l\u2019ordre des phases<\/a><li><a class='table-content_link' href='#5-confirmez-lordre-des-phases-du-circuit-jusquau-compteur'>5. Confirmez l\u2019ordre des phases du circuit jusqu\u2019au compteur<\/a><li><a class='table-content_link' href='#conclusion'>Conclusion<\/a><\/li><\/ul>\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t\t<\/aside>\r\n\t\t<\/div>\r\n\r\n\t<\/div>\r\n<\/section>\r\n\r\n\n\n\r\n\r\n<section class=\"blc-related-posts bg-cg spc-s3\">\r\n\r\n\t\t<header class=\"c-heading\">\r\n\t\t\t<div class=\"container\">\r\n\t\t\t\t<h2 class=\"c-ttl\" class=\"c-ttl\" id=\"les-autres-cahiers-techniques-lettel\">Les autres cahiers techniques Lettel<\/h2>\r\n\t\t\t<\/div>\r\n\t\t<\/header>\r\n\r\n\t\t<div class=\"container\">\r\n\t\t\t<div class=\"swiper\" swiper-type=\"3\">\r\n\t\t\t\t<div class=\"swiper-wrapper\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"swiper-slide\" id='9727'>\r\n\t\t\t\t\t\t\t\r\n<a class=\"c-card-post\" href='https:\/\/lettel.com\/fr\/ressources\/tore-rogowski\/'>\r\n\t<figure class=\"media-wrp__4x3\">\r\n\t\t<img decoding=\"async\" class=\"media\" alt=\"boucle de courant rogowski sur cable\" src=\"https:\/\/lettel.com\/wp-content\/uploads\/2025\/02\/boucle-rogowski-sur-cable.jpg\" srcset=\"https:\/\/lettel.com\/wp-content\/uploads\/2025\/02\/boucle-rogowski-sur-cable-300x225.jpg 300w, https:\/\/lettel.com\/wp-content\/uploads\/2025\/02\/boucle-rogowski-sur-cable-768x576.jpg 768w, https:\/\/lettel.com\/wp-content\/uploads\/2025\/02\/boucle-rogowski-sur-cable-600x450.jpg 600w, https:\/\/lettel.com\/wp-content\/uploads\/2025\/02\/boucle-rogowski-sur-cable.jpg 1000w\" sizes=\"(min-width: 992px) 397px, (min-width: 1200px) 480px, (min-width: 1400px) 560px, (min-width: 1600px) 640px, 100vw\">\r\n\t<\/figure>\r\n\t<div class=\"c-txt\">\r\n\t\t\t<p class=\"c-ttl c-ttl__md ttl-brd\">Tout savoir sur le capteur de courant type Rogowski<\/p>\r\n\t\t\t<h3 class=\"c-desc\" class=\"c-desc\" id=\"definition-fonctionnement-et-avantages\">D\u00e9finition, fonctionnement et avantages\u00a0\u00a0<\/h3>\r\n\t\t\t<p class=\"c-date\">Publi\u00e9 le 4 f\u00e9vrier 2025<\/p>\r\n\t\t\t<button class=\"c-link\">En savoir plus<\/button>\r\n\t<\/div>\r\n<\/a>\t\t\t\t\t\t<\/article>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"swiper-slide\" id='9807'>\r\n\t\t\t\t\t\t\t\r\n<a class=\"c-card-post\" href='https:\/\/lettel.com\/fr\/ressources\/decret-bacs\/'>\r\n\t<figure class=\"media-wrp__4x3\">\r\n\t\t<img decoding=\"async\" class=\"media\" alt=\"immeubles BACS\" src=\"https:\/\/lettel.com\/wp-content\/uploads\/2024\/03\/BACS.webp\" srcset=\"https:\/\/lettel.com\/wp-content\/uploads\/2024\/03\/BACS-300x200.webp 300w, https:\/\/lettel.com\/wp-content\/uploads\/2024\/03\/BACS-768x512.webp 768w, https:\/\/lettel.com\/wp-content\/uploads\/2024\/03\/BACS-600x400.webp 600w, https:\/\/lettel.com\/wp-content\/uploads\/2024\/03\/BACS.webp 1000w\" sizes=\"(min-width: 992px) 397px, (min-width: 1200px) 480px, (min-width: 1400px) 560px, (min-width: 1600px) 640px, 100vw\">\r\n\t<\/figure>\r\n\t<div class=\"c-txt\">\r\n\t\t\t<p class=\"c-ttl c-ttl__md ttl-brd\">Comprendre le D\u00e9cret BACS<\/p>\r\n\t\t\t<h3 class=\"c-desc\" class=\"c-desc\" id=\"champ-dapplication-mesures-phares-et-enjeux\">Champ d\u2019application, mesures phares et enjeux<\/h3>\r\n\t\t\t<p class=\"c-date\">Publi\u00e9 le 10 f\u00e9vrier 2025<\/p>\r\n\t\t\t<button class=\"c-link\">En savoir plus<\/button>\r\n\t<\/div>\r\n<\/a>\t\t\t\t\t\t<\/article>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"swiper-slide\" id='3985'>\r\n\t\t\t\t\t\t\t\r\n<a class=\"c-card-post\" href='https:\/\/lettel.com\/fr\/ressources\/classe-de-precision-compteur-electrique\/'>\r\n\t<figure class=\"media-wrp__4x3\">\r\n\t\t<img decoding=\"async\" class=\"media\" alt=\"classe-de-precision-compteur-loupe-greyscaled-vignette\" src=\"https:\/\/lettel.com\/wp-content\/uploads\/2022\/05\/classe-de-precision-compteur-loupe-greyscaled-vignette.jpg\" srcset=\"https:\/\/lettel.com\/wp-content\/uploads\/2022\/05\/classe-de-precision-compteur-loupe-greyscaled-vignette-300x225.jpg 300w, https:\/\/lettel.com\/wp-content\/uploads\/2022\/05\/classe-de-precision-compteur-loupe-greyscaled-vignette-600x450.jpg 600w, https:\/\/lettel.com\/wp-content\/uploads\/2022\/05\/classe-de-precision-compteur-loupe-greyscaled-vignette.jpg 652w\" sizes=\"(min-width: 992px) 397px, (min-width: 1200px) 480px, (min-width: 1400px) 560px, (min-width: 1600px) 640px, 100vw\">\r\n\t<\/figure>\r\n\t<div class=\"c-txt\">\r\n\t\t\t<p class=\"c-ttl c-ttl__md ttl-brd\">Classes de pr\u00e9cision d&rsquo;un compteur \u00e9lectrique<\/p>\r\n\t\t\t<h3 class=\"c-desc\" class=\"c-desc\" id=\"le-cadre-normatif-et-les-differentes-classes-selon-les-applications\">Le cadre normatif et les diff\u00e9rentes classes selon les applications<\/h3>\r\n\t\t\t<p class=\"c-date\">Publi\u00e9 le 30 mai 2022<\/p>\r\n\t\t\t<button class=\"c-link\">En savoir plus<\/button>\r\n\t<\/div>\r\n<\/a>\t\t\t\t\t\t<\/article>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"swiper-slide\" id='6002'>\r\n\t\t\t\t\t\t\t\r\n<a class=\"c-card-post\" href='https:\/\/lettel.com\/fr\/ressources\/les-alimentations-stabilisees\/'>\r\n\t<figure class=\"media-wrp__4x3\">\r\n\t\t<img decoding=\"async\" class=\"media\" alt=\"gamme alimentations stabilis\u00e9es lettel\" src=\"https:\/\/lettel.com\/wp-content\/uploads\/2023\/06\/gamme-alimentations-stabilisees-lettel.jpg\" srcset=\"https:\/\/lettel.com\/wp-content\/uploads\/2023\/06\/gamme-alimentations-stabilisees-lettel-300x300.jpg 300w, https:\/\/lettel.com\/wp-content\/uploads\/2023\/06\/gamme-alimentations-stabilisees-lettel-150x150.jpg 150w, https:\/\/lettel.com\/wp-content\/uploads\/2023\/06\/gamme-alimentations-stabilisees-lettel-600x600.jpg 600w, https:\/\/lettel.com\/wp-content\/uploads\/2023\/06\/gamme-alimentations-stabilisees-lettel-100x100.jpg 100w, https:\/\/lettel.com\/wp-content\/uploads\/2023\/06\/gamme-alimentations-stabilisees-lettel.jpg 768w\" sizes=\"(min-width: 992px) 397px, (min-width: 1200px) 480px, (min-width: 1400px) 560px, (min-width: 1600px) 640px, 100vw\">\r\n\t<\/figure>\r\n\t<div class=\"c-txt\">\r\n\t\t\t<p class=\"c-ttl c-ttl__md ttl-brd\">Les alimentations stabilis\u00e9es et les modules de secours<\/p>\r\n\t\t\t<h3 class=\"c-desc\" class=\"c-desc\" id=\"comment-garantir-lalimentation-des-circuits-dc\">Comment garantir l&rsquo;alimentation des circuits DC &#8230;<\/h3>\r\n\t\t\t<p class=\"c-date\">Publi\u00e9 le 26 juin 2023<\/p>\r\n\t\t\t<button class=\"c-link\">En savoir plus<\/button>\r\n\t<\/div>\r\n<\/a>\t\t\t\t\t\t<\/article>\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"b-pagi swiper-pagination\"><\/div>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"container container-navi\">\r\n\t\t\t\t<div class=\"swiper-button-prev\"><\/div>\r\n\t\t\t\t<div class=\"swiper-button-next\"><\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\r\n<\/section>\r\n\r\n\n\n\r\n\r\n<section class=\"blc-banner spc-s3 bg-c4\"> \r\n\t<div class=\"container tpl1\">\r\n\r\n\t\t<div class=\"row\">\r\n\t\t\t<div class=\"b-txt col-lg-6\">\r\n\t\t\t\t<h2 class=\"b-ttl\" data-aos=\"fade-up\" class=\"b-ttl\" data-aos=\"fade-up\" id=\"vous-souhaitez-etre-conseille\">Vous souhaitez \u00eatre conseill\u00e9&nbsp;?<\/h2>\t\t\t\t\t\t\t\t<a class=\"btn btn-c1\" data-aos=\"fade-up\" data-aos-delay=\"150\" href=\"https:\/\/lettel.com\/fr\/contact\/\">Contactez-nous<\/a>\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<\/div>\r\n\r\n\t<\/div>\r\n<\/section>\r\n\r\n","protected":false},"excerpt":{"rendered":"Les 5 \u00e9tapes cl\u00e9s pour identifier le probl\u00e8me","protected":false},"author":11,"featured_media":15895,"template":"","class_list":["post-15721","ressources","type-ressources","status-publish","has-post-thumbnail","hentry","ress-format-cahier-technique"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Probl\u00e8me d&#039;\u00e9nergie n\u00e9gative sur phases - diagnostic et solutions | Lettel<\/title>\n<meta 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