{"id":5595,"date":"2023-03-17T11:38:59","date_gmt":"2023-03-17T03:38:59","guid":{"rendered":"https:\/\/www.tosunlux.eu\/?p=5595"},"modified":"2023-03-22T11:23:24","modified_gmt":"2023-03-22T03:23:24","slug":"how-to-protect-your-electrical-equipment-from-voltage-fluctuations","status":"publish","type":"post","link":"https:\/\/www.tosunlux.eu\/fr\/blog\/how-to-protect-your-electrical-equipment-from-voltage-fluctuations\/","title":{"rendered":"Qu&#039;est-ce qui prot\u00e8ge contre les surtensions et les sous-tensions\u00a0?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" >Table des mati\u00e8res<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table des mati\u00e8res\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Basculer<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/how-to-protect-your-electrical-equipment-from-voltage-fluctuations\/#What_is_Over_and_Under_Voltage\" title=\"Qu&#039;est-ce que la surtension et la sous-tension\u00a0?\">Qu&#039;est-ce que la surtension et la sous-tension\u00a0?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/how-to-protect-your-electrical-equipment-from-voltage-fluctuations\/#Over_and_Under_Voltage_Protection_System\" title=\"Syst\u00e8me de protection contre les surtensions et les sous-tensions\u00a0:\">Syst\u00e8me de protection contre les surtensions et les sous-tensions\u00a0:<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>Si vous souhaitez prot\u00e9ger votre \u00e9quipement \u00e9lectrique contre les dommages, vous devez g\u00e9rer les fluctuations de tension. Il existe une tension ou un courant sp\u00e9cifique fourni \u00e0 chaque foyer et industrie.<\/p>\n\n\n\n<p>Cependant, parfois en raison de causes naturelles ou d&#039;origine humaine, la tension peut fluctuer. Cela peut entra\u00eener une sous-tension ou une surtension. Les deux choses peuvent affecter l&#039;\u00e9quipement \u00e9lectrique.<\/p>\n\n\n\n<p>La surtension est la diff\u00e9rence de potentiel entre la tension d&#039;entr\u00e9e et la tension de sortie. Lorsque la tension \u00e0 l&#039;interface entre les composants \u00e9lectroniques d\u00e9passe la tension de conception, on parle de surtension. La diff\u00e9rence de potentiel peut \u00eatre transitoire ou permanente, selon sa dur\u00e9e. La surtension a de nombreuses cons\u00e9quences, notamment des dommages mat\u00e9riels, des courts-circuits, des dommages aux circuits, etc.&nbsp;<\/p>\n\n\n\n<p>La sous-tension est une situation dans laquelle l&#039;alimentation \u00e9lectrique est inf\u00e9rieure \u00e0 l&#039;alimentation standard. Bien que ce ne soit pas aussi dangereux que la surtension, cela rendra quasiment inutile l&#039;\u00e9quipement \u00e9lectrique car il n&#039;y a pas assez de puissance pour le faire fonctionner.<\/p>\n\n\n\n<p>Par exemple, la lumi\u00e8re commencera \u00e0 clignoter et les appareils cesseront de fonctionner. Afin d&#039;\u00e9viter les fluctuations de tension et de prot\u00e9ger votre \u00e9quipement, vous devez utiliser des syst\u00e8mes de protection contre les surtensions et les sous-tensions.&nbsp;<\/p>\n\n\n\n<h2 class=\"has-medium-font-size wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_Over_and_Under_Voltage\"><\/span><strong>Qu&#039;est-ce que la surtension et la sous-tension\u00a0?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Comprendre ce qu&#039;est la protection contre les surtensions et les sous-tensions est tr\u00e8s important pour que vous entreteniez vos appareils \u00e9lectriques et autres appareils \u00e9lectroniques dot\u00e9s de circuits et de c\u00e2blage.&nbsp;<\/p>\n\n\n\n<p>La protection contre les surtensions est n\u00e9cessaire pour qu&#039;en cas de surcharge ou d&#039;exc\u00e8s d&#039;\u00e9lectricit\u00e9, du courant soit conduit au lieu d&#039;endommager l&#039;appareil.&nbsp;<\/p>\n\n\n\n<p>Lorsque trop de tension est introduite dans le circuit, cette surcharge peut entra\u00eener une accumulation excessive de chaleur dans le moteur, puis un court-circuit se produit. Cela peut endommager l&#039;\u00e9quipement et provoquer des risques d&#039;incendie.&nbsp;<\/p>\n\n\n\n<p>Si la chute de tension de l&#039;appareil est trop importante, vous devez inverser le sens du courant circulant dans le circuit en utilisant les relais de surcharge. Si la surtension et la sous-tension sont excessives, l&#039;inversion du flux peut parfois \u00eatre invers\u00e9e et le circuit peut \u00eatre restaur\u00e9 dans son \u00e9tat d&#039;origine.&nbsp;<\/p>\n\n\n\n<p>Les relais de surcharge sont utilis\u00e9s avec les relais basse tension dans le circuit de protection. Vous devez tester la protection si vous n&#039;\u00eates pas s\u00fbr de ce qui est n\u00e9cessaire pour la protection contre les surtensions et les sous-tensions.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.tosunlux.eu\/fr\/products\/modular-digital-voltage-current-protector\/\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2023\/03\/2-18-power-distribution-2-1024x1024.jpg\" alt=\"\" class=\"wp-image-5597\" srcset=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2023\/03\/2-18-power-distribution-2-1024x1024.jpg 1024w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2023\/03\/2-18-power-distribution-2-300x300.jpg 300w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2023\/03\/2-18-power-distribution-2-150x150.jpg 150w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2023\/03\/2-18-power-distribution-2-768x768.jpg 768w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2023\/03\/2-18-power-distribution-2-1536x1536.jpg 1536w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2023\/03\/2-18-power-distribution-2-12x12.jpg 12w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2023\/03\/2-18-power-distribution-2.jpg 1601w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption>Protecteur de tension et de courant num\u00e9rique modulaire<\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.tosunlux.eu\/fr\/products\/modular-digital-over-under-voltage-protector\/\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2023\/03\/TDP-1-1024x1024.jpg\" alt=\"\" class=\"wp-image-5598\" srcset=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2023\/03\/TDP-1-1024x1024.jpg 1024w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2023\/03\/TDP-1-300x300.jpg 300w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2023\/03\/TDP-1-150x150.jpg 150w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2023\/03\/TDP-1-768x768.jpg 768w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2023\/03\/TDP-1-1536x1536.jpg 1536w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2023\/03\/TDP-1-12x12.jpg 12w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2023\/03\/TDP-1.jpg 1603w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption>Protecteur de surtension et de sous-tension num\u00e9rique modulaire<\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<h2 class=\"has-medium-font-size wp-block-heading\"><span class=\"ez-toc-section\" id=\"Over_and_Under_Voltage_Protection_System\"><\/span><strong><a href=\"https:\/\/www.elprocus.com\/under-and-overvoltage-protection-circuit\/\" target=\"_blank\" rel=\"noreferrer noopener\">Syst\u00e8me de protection contre les surtensions et les sous-tensions<\/a>:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Il existe de nombreux dispositifs diff\u00e9rents que vous pouvez utiliser pour prot\u00e9ger votre \u00e9quipement \u00e9lectrique contre les surtensions et les sous-tensions.&nbsp;<\/p>\n\n\n\n<p>Dans le monde de l&#039;\u00e9lectrotechnique et de l&#039;\u00e9lectronique, vous pouvez trouver un r\u00e9gulateur de tension capable de contr\u00f4ler la surtension et la sous-tension. Ce type d&#039;appareil est appel\u00e9 r\u00e9gulateur de tension ou syst\u00e8me de protection de tension.&nbsp;<\/p>\n\n\n\n<p>Il est utilis\u00e9 en conjonction avec un dispositif appel\u00e9 diode de protection. Le VAR limitera ou arr\u00eatera certains niveaux de tension qui entra\u00eenent des blessures aux personnes, aux \u00e9quipements ou m\u00eame aux b\u00e2timents.&nbsp;<\/p>\n\n\n\n<p>Si vous \u00eates expos\u00e9 \u00e0 une tension excessive pour une raison quelconque, vous devez \u00eatre extr\u00eamement prudent car une surtension ou une sous-tension peut entra\u00eener de graves br\u00fblures, des cicatrices permanentes, des l\u00e9sions c\u00e9r\u00e9brales permanentes et la mort dans des cas extr\u00eames.<\/p>\n\n\n\n<p>Ces r\u00e9gulateurs de tension peuvent se pr\u00e9senter sous deux formes. Un type est un dispositif de commutation qui r\u00e9gulera la quantit\u00e9 d&#039;\u00e9lectricit\u00e9 circulant dans le circuit. Le deuxi\u00e8me type est un conditionneur de d\u00e9faut \u00e0 la terre. Bien que les deux types prot\u00e8gent efficacement contre les surtensions et les sous-tensions, le commutateur offrira une option plus s\u00fbre dans les situations \u00e0 haut risque.<\/p>\n\n\n\n<p>Une diode de protection convertira l&#039;exc\u00e8s de tension en \u00e9lectricit\u00e9 et coupera l&#039;alimentation du cordon d&#039;alimentation si la limite est atteinte. De nombreuses personnes allument automatiquement leur diode de protection lorsqu&#039;elles d\u00e9tectent un probl\u00e8me, mais il y en a d&#039;autres qui n&#039;ont pas cette fonction de s\u00e9curit\u00e9 int\u00e9gr\u00e9e. Si vous voulez vous assurer que votre syst\u00e8me est prot\u00e9g\u00e9 \u00e0 tout moment, une diode de protection est une excellente option.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-embed-handler wp-block-embed-embed-handler wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Dispositif de protection contre les surtensions et les sous-tensions | C\u00e2blage et r\u00e9glage | \u00c9lectricien local\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/hzKNRdgA2iw?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>","protected":false},"excerpt":{"rendered":"<p>D\u00e9couvrez les diff\u00e9rents dispositifs disponibles pour prot\u00e9ger votre \u00e9quipement et comment choisir celui qui convient \u00e0 vos besoins. Prot\u00e9gez votre \u00e9quipement et \u00e9vitez les r\u00e9parations co\u00fbteuses gr\u00e2ce \u00e0 une protection de tension appropri\u00e9e. Continuez \u00e0 lire pour en savoir plus.<\/p>","protected":false},"author":5,"featured_media":5616,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-5595","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Protect Your Electrical Equipment from Voltage Fluctuations?<\/title>\n<meta name=\"description\" content=\"Learn how over and under-voltage protection systems work and how they can protect your equipment from damage caused by voltage fluctuations.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/how-to-protect-your-electrical-equipment-from-voltage-fluctuations\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Protect Your Electrical Equipment from Voltage Fluctuations?\" \/>\n<meta property=\"og:description\" content=\"Learn how over and under-voltage protection systems work and how they can protect your equipment from damage caused by voltage fluctuations.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.tosunlux.eu\/fr\/blog\/how-to-protect-your-electrical-equipment-from-voltage-fluctuations\/\" \/>\n<meta property=\"og:site_name\" content=\"TOSUNlux Official Site - 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