{"version":"1.0","provider_name":"EENewsEurope","provider_url":"https:\/\/www.ecinews.fr\/fr\/","author_name":"Alain Dieul","author_url":"https:\/\/www.ecinews.fr\/fr\/author\/alaindieul\/","title":"Circuits int\u00e9gr\u00e9s de d\u00e9tection de passage par z\u00e9ro","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"NeQMorqstA\"><a href=\"https:\/\/www.ecinews.fr\/fr\/circuits-integres-de-detection-de-passage-par-zero\/\">Circuits int\u00e9gr\u00e9s de d\u00e9tection de passage par z\u00e9ro<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.ecinews.fr\/fr\/circuits-integres-de-detection-de-passage-par-zero\/embed\/#?secret=NeQMorqstA\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0Circuits int\u00e9gr\u00e9s de d\u00e9tection de passage par z\u00e9ro\u00a0\u00bb &#8212; EENewsEurope\" data-secret=\"NeQMorqstA\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci8832_rohm.jpg","thumbnail_width":2126,"thumbnail_height":1535,"description":"De nombreux appareils n\u00e9cessitent un circuit de d\u00e9tection de passage par z\u00e9ro pour d\u00e9tecter le point 0 V (point de passage par z\u00e9ro) de la forme d\u2019onde de courant alternatif afin de fournir un contr\u00f4le efficace \u00e0 la fois des moteurs et des MCU. Cependant, en termes de consommation de courant, les circuits conventionnels de d\u00e9tection de passage par z\u00e9ro utilisent un photocoupleur repr\u00e9sentant pr\u00e8s de la moiti\u00e9 de la puissance de veille de l\u2019ensemble du syst\u00e8me."}