{"version":"1.0","provider_name":"Electrical Riddle","provider_url":"https:\/\/electrical-riddle.com\/fa","author_name":"Electrical Riddle","author_url":"https:\/\/electrical-riddle.com\/fa","title":"- Electrical Riddle","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"NEYSJSR8Ss\"><a href=\"https:\/\/electrical-riddle.com\/fa\/forums\/reply\/2192\/\">\u067e\u0627\u0633\u062e \u0628\u0647: \u0645\u0639\u0645\u0627\u06cc \u0641\u0634\u0627\u0631 \u0642\u0648\u06cc \u0634\u0645\u0627\u0631\u0647 3- \u0627\u0646\u062f\u0627\u0632\u0647 \u06af\u06cc\u0631\u06cc \u062a\u0627\u0646\u0698\u0627\u0646\u062a \u062f\u0644\u062a\u0627<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/electrical-riddle.com\/fa\/forums\/reply\/2192\/embed\/#?secret=NEYSJSR8Ss\" width=\"600\" height=\"338\" title=\"&#8220;\u067e\u0627\u0633\u062e \u0628\u0647: \u0645\u0639\u0645\u0627\u06cc \u0641\u0634\u0627\u0631 \u0642\u0648\u06cc \u0634\u0645\u0627\u0631\u0647 3- \u0627\u0646\u062f\u0627\u0632\u0647 \u06af\u06cc\u0631\u06cc \u062a\u0627\u0646\u0698\u0627\u0646\u062a \u062f\u0644\u062a\u0627&#8221; &#8212; Electrical Riddle\" data-secret=\"NEYSJSR8Ss\" 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:\/\/electrical-riddle.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>","description":"\u06af\u0632\u06cc\u062f\u0647 \u0627\u06cc \u0627\u0632 \u06cc\u06a9\u06cc \u0627\u0632 \u06a9\u062a\u0628 \u0645\u0631\u062c\u0639 \u062f\u0631 \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0627 \u062a\u0633\u062a \u062a\u0644\u0641\u0627\u062a \u0639\u0627\u06cc\u0642\u06cc \u06cc\u0627 tan? \u062f\u0631 \u0632\u06cc\u0631 \u0622\u0645\u062f\u0647 \u0627\u0633\u062a. The PF (Power Factor) insulation tests were used in the laboratory since the early 1900s by cable manufactures, and in the field for testing bushing since 1929. The DF (Dissipation Factor or tan ?) is based &hellip;  \u0627\u062f\u0627\u0645\u0647 \u00bb"}