{"version":"1.0","provider_name":"LS transformateur de puissance, r\u00e9acteur de Ligne \u00e0 Haute tension transformateur d'Huile de transformateur immerg\u00e9-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD","provider_url":"https:\/\/www.lstransformer.com\/fr","author_name":"369703005","author_url":"https:\/\/www.lstransformer.com\/fr\/author\/369703005\/","title":"What reasons can cause abnormal noise in transformers? - LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"KbZEyk0j4i\"><a href=\"https:\/\/www.lstransformer.com\/fr\/what-reasons-can-cause-abnormal-noise-in-transformers\/\">What reasons can cause abnormal noise in transformers?<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.lstransformer.com\/fr\/what-reasons-can-cause-abnormal-noise-in-transformers\/embed\/#?secret=KbZEyk0j4i\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0What reasons can cause abnormal noise in transformers?\u00a0\u00bb &#8212; LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD\" data-secret=\"KbZEyk0j4i\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\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\/\/# sourceURL=https:\/\/www.lstransformer.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>","thumbnail_url":"https:\/\/www.lstransformer.com\/wp-content\/uploads\/2026\/07\/1742019754407170.png","thumbnail_width":370,"thumbnail_height":276,"description":"During the operation of a transformer, the occurrence of abnormal noise can be attributed to various factors.When the transformer operates under overload conditions, internal copper and iron losses increase, leading to elevated temperatures and reduced heat dissipation. In such situations, the transformer may emit a dull humming sound, caused by saturation of the transformer core and an increase in magnetic flux density."}