{"id":82558,"date":"2024-01-14T13:21:22","date_gmt":"2024-01-14T13:21:22","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/inductance-exemples-dinductances\/"},"modified":"2024-01-23T13:13:13","modified_gmt":"2024-01-23T13:13:13","slug":"inductance-exemples-dinductances","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/fr\/inductance-exemples-dinductances\/","title":{"rendered":"Inductance &#8211; Exemples d&rsquo;inductances"},"content":{"rendered":"<h2>L&rsquo;Inductance &#8211; Exemples d&rsquo;Inducteurs<\/h2>\n<p>L&rsquo;inductance est une propri\u00e9t\u00e9 fondamentale d&rsquo;un conducteur \u00e9lectrique, qui quantifie sa capacit\u00e9 \u00e0 stocker de l&rsquo;\u00e9nergie dans un champ magn\u00e9tique lorsque un courant \u00e9lectrique le traverse. Elle est g\u00e9n\u00e9ralement repr\u00e9sent\u00e9e par le symbole \u00ab\u00a0L\u00a0\u00bb et se mesure en henrys (H). Lorsqu&rsquo;un courant circule \u00e0 travers un conducteur, il g\u00e9n\u00e8re un champ magn\u00e9tique autour de lui. Si le courant change, le champ magn\u00e9tique change \u00e9galement, induisant une force \u00e9lectromotrice (FEM) ou une tension \u00e0 travers le conducteur, qui s&rsquo;oppose au changement de courant. Ce ph\u00e9nom\u00e8ne est connu sous le nom d&rsquo;induction \u00e9lectromagn\u00e9tique et est la base du concept d&rsquo;inductance.<\/p>\n<h2>Exemples d&rsquo;Inducteurs<\/h2>\n<p>Les inducteurs se pr\u00e9sentent sous diff\u00e9rentes formes, tailles et valeurs d&rsquo;inductance. Voici trois exemples d&rsquo;inducteurs avec diff\u00e9rentes valeurs d&rsquo;inductance :<\/p>\n<h3>Inducteur de signal faible<\/h3>\n<p>Ces inducteurs sont souvent utilis\u00e9s dans des circuits \u00e9lectroniques de faible puissance tels que des filtres, des oscillateurs et des applications de traitement de signal. Un exemple d&rsquo;inducteur de signal faible pourrait avoir une inductance de 10 \u03bcH (microhenries).<\/p>\n<h3>Inducteur de puissance<\/h3>\n<p>Les inducteurs de puissance se trouvent couramment dans les circuits d&rsquo;alimentation, les convertisseurs DC-DC et les r\u00e9gulateurs \u00e0 d\u00e9coupage. Ils ont g\u00e9n\u00e9ralement des cotes de courant plus \u00e9lev\u00e9es et des valeurs d&rsquo;inductance plus importantes. Un exemple d&rsquo;inducteur de puissance pourrait avoir une inductance de 100 \u03bcH (microhenries).<\/p>\n<h3>Inducteur haute fr\u00e9quence<\/h3>\n<p>Ces inducteurs sont con\u00e7us pour une utilisation dans des applications \u00e0 haute fr\u00e9quence telles que les circuits RF (fr\u00e9quence radio) et les syst\u00e8mes de communication. Ils ont souvent des valeurs d&rsquo;inductance plus faibles et sont optimis\u00e9s pour une faible perte et une capacit\u00e9 parasitaire minimale. Un exemple d&rsquo;inducteur haute fr\u00e9quence pourrait avoir une inductance de 1 \u03bcH (microhenry).<\/p>\n<p>Ces exemples ne sont que quelques-uns des inducteurs avec diff\u00e9rentes valeurs d&rsquo;inductance. La valeur d&rsquo;inductance r\u00e9elle requise pour une application sp\u00e9cifique d\u00e9pendra de la conception du circuit et des caract\u00e9ristiques de performance souhait\u00e9es.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png\" alt=\"Inductance - Examples of Inductors\" \/><\/p>\n<div style=\"text-align: center; font-size: 20px;\">\n    <a href=\"https:\/\/www.electricity-magnetism.org\/inductance-examples-of-inductors\/\">Original Article<\/a>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un exemple d&rsquo;inductance \u00e0 petit signal pourrait avoir une inductance de 10 \u03bcH (microhenries). Un exemple d&rsquo;inductance de puissance pourrait avoir une inductance de 100 \u03bcH (microhenries).<\/p>\n","protected":false},"author":1,"featured_media":1576,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[10],"tags":[],"class_list":["post-82558","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Inductance - Exemples d&#039;inductances<\/title>\n<meta name=\"description\" content=\"Un exemple d&#039;inductance \u00e0 petit signal pourrait avoir une inductance de 10 \u03bcH (microhenries). 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