{"id":50458,"date":"2015-10-16T14:54:57","date_gmt":"2015-10-16T02:54:57","guid":{"rendered":"http:\/\/www.irantahgig.ir\/?p=50458"},"modified":"2015-10-16T14:54:57","modified_gmt":"2015-10-16T02:54:57","slug":"%d8%a7%d8%ab%d8%b1-%d9%be%d8%b1%d9%88%d9%81%db%8c%d9%84%e2%80%8c%d9%87%d8%a7-%d8%b1%d9%88%db%8c-%d8%b9%d9%85%d9%84%da%a9%d8%b1%d8%af-%d8%aa%d8%ae%d9%84%db%8c%db%80-%d8%a7%d9%84%da%a9%d8%aa%d8%b1%db%8c","status":"publish","type":"post","link":"http:\/\/www.irantahgig.ir\/?p=50458","title":{"rendered":"\u0627\u062b\u0631 \u067e\u0631\u0648\u0641\u06cc\u0644\u200c\u0647\u0627 \u0631\u0648\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u062a\u062e\u0644\u06cc\u06c0 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc AC \u0646\u0627\u0634\u06cc \u0627\u0632 \u0622\u0644\u0648\u062f\u06af\u06cc \u0645\u0642\u0631\u0647\u200c\u0647\u0627\u06cc \u0628\u0634\u0642\u0627\u0628\u06cc \u0645\u0639\u0644\u0642 \u0633\u0646\u06af\u06cc\u0646\u200c\u0648\u0632\u0646"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"font-size: 18px; font-family: times new roman,times;\">Effect of profiles on ac contamination flashover performance of large-tonnage suspension disc insulators<\/span><\/p>\n<p><span style=\"font-size: 18px;\"><strong>\u062a\u0627\u0631\u06cc\u062e:<\/strong> \u06f2\u06f0\u06f1\u06f4<\/span><\/p>\n<p><span style=\"font-size: 18px;\"><strong>\u067e\u0627\u06cc\u06af\u0627\u0647:\u00a0<\/strong><span style=\"font-family: times new roman,times;\">IEEE Xplore<\/span><\/span><\/p>\n<p><span style=\"font-size: 18px;\"><a title=\"\u062f\u0627\u0646\u0644\u0648\u062f \u0627\u0635\u0644 \u0645\u0642\u0627\u0644\u0647\" href=\"http:\/\/www.irantahgig.ir\/wp-content\/uploads\/30380.pdf\" target=\"_blank\">\u0644\u06cc\u0646\u06a9 \u062f\u0627\u0646\u0644\u0648\u062f \u0627\u0635\u0644 \u0645\u0642\u0627\u0644\u0647<\/a><\/span><\/p>\n<p><span style=\"font-size: 18px;\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone\" alt=\"OK\" src=\"http:\/\/www.irantahgig.ir\/wp-content\/uploads\/OK.png\" width=\"187\" height=\"39\" \/><\/span><\/p>\n<p><span style=\"font-size: 18px;\">\t<form id=\"edd_purchase_50454\" class=\"edd_download_purchase_form edd_purchase_50454\" method=\"post\">\n\n\t\t\n\t\t<div class=\"edd_purchase_submit_wrapper\">\n\t\t\t<a href=\"#\" class=\"edd-add-to-cart button blue edd-submit\" data-nonce=\"bdcbdb7776\" data-action=\"edd_add_to_cart\" data-download-id=\"50454\" data-variable-price=\"no\" data-price-mode=single data-price=\"200000\" ><span class=\"edd-add-to-cart-label\">200,000 \u0631\u06cc\u0627\u0644&nbsp;&ndash;&nbsp;\u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0628\u0647 \u0633\u0628\u062f \u062e\u0631\u06cc\u062f<\/span> <span class=\"edd-loading\" aria-label=\"\u062f\u0631 \u062d\u0627\u0644 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc\"><\/span><\/a><input type=\"submit\" class=\"edd-add-to-cart edd-no-js button blue edd-submit\" name=\"edd_purchase_download\" value=\"200,000 \u0631\u06cc\u0627\u0644&nbsp;&ndash;&nbsp;\u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0628\u0647 \u0633\u0628\u062f \u062e\u0631\u06cc\u062f\" data-action=\"edd_add_to_cart\" data-download-id=\"50454\" data-variable-price=\"no\" data-price-mode=single \/><a href=\"http:\/\/www.irantahgig.ir\/?page_id=4907\" class=\"edd_go_to_checkout button blue edd-submit\" style=\"display:none;\">\u0646\u0647\u0627\u06cc\u06cc \u06a9\u0631\u062f\u0646 \u062e\u0631\u06cc\u062f<\/a>\n\t\t\t\t\t\t\t<span class=\"edd-cart-ajax-alert\" aria-live=\"assertive\">\n\t\t\t\t\t<span class=\"edd-cart-added-alert\" style=\"display: none;\">\n\t\t\t\t\t\t<svg class=\"edd-icon edd-icon-check\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"28\" height=\"28\" viewBox=\"0 0 28 28\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t<path d=\"M26.11 8.844c0 .39-.157.78-.44 1.062L12.234 23.344c-.28.28-.672.438-1.062.438s-.78-.156-1.06-.438l-7.782-7.78c-.28-.282-.438-.673-.438-1.063s.156-.78.438-1.06l2.125-2.126c.28-.28.672-.438 1.062-.438s.78.156 1.062.438l4.594 4.61L21.42 5.656c.282-.28.673-.438 1.063-.438s.78.155 1.062.437l2.125 2.125c.28.28.438.672.438 1.062z\"\/>\n\t\t\t\t\t\t<\/svg>\n\t\t\t\t\t\t\u0645\u0648\u0631\u062f \u0628\u0647 \u0633\u0628\u062f \u062e\u0631\u06cc\u062f \u0627\u0636\u0627\u0641\u0647 \u0634\u062f\t\t\t\t\t<\/span>\n\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div><!--end .edd_purchase_submit_wrapper-->\n\n\t\t<input type=\"hidden\" name=\"download_id\" value=\"50454\">\n\t\t\t\t\t\t\t<input type=\"hidden\" name=\"edd_action\" class=\"edd_action_input\" value=\"add_to_cart\">\n\t\t\n\t\t\t\t\t<input type=\"hidden\" name=\"edd_redirect_to_checkout\" id=\"edd_redirect_to_checkout\" value=\"1\">\n\t\t\n\t\t\n\t<\/form><!--end #edd_purchase_50454-->\n<\/span><\/p>\n<p><span style=\"font-size: 18px;\"><!--more--><\/span><\/p>\n<p><span style=\"font-size: 18px;\"><strong>\u0646\u0627\u0645 \u0645\u062c\u0644\u0647:\u00a0<\/strong><span style=\"font-family: times new roman,times;\">Dielectrics and Electrical Insulation<\/span><\/span><\/p>\n<p><span style=\"font-size: 18px;\"><strong>\u0642\u06cc\u0645\u062a:<\/strong> \u06f2\u06f0\u06f0,\u06f0\u06f0\u06f0 \u0631\u06cc\u0627\u0644<\/span><\/p>\n<p><span style=\"font-size: 18px;\"><strong>\u062a\u0639\u062f\u0627\u062f \u0635\u0641\u062d\u0627\u062a \u0627\u0646\u06af\u0644\u06cc\u0633\u06cc:<\/strong> \u06f1\u06f0<\/span><\/p>\n<p><span style=\"font-size: 18px;\"><strong>\u062a\u0639\u062f\u0627\u062f \u0635\u0641\u062d\u0627\u062a \u0641\u0627\u0631\u0633\u06cc:<\/strong> \u06f2\u06f6<\/span><\/p>\n<p><span style=\"font-size: 18px;\"><strong>\u06a9\u062f: <\/strong>\u06f3\u06f0\u06f3\u06f8\u06f0<\/span><\/p>\n<h3><span style=\"font-size: 18px;\">\u0686\u06a9\u06cc\u062f\u0647 \u0641\u0627\u0631\u0633\u06cc<\/span><\/h3>\n<p style=\"text-align: justify;\"><span 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\u0645\u0642\u0631\u0647\u200c\u0647\u0627\u06cc \u0628\u0634\u0642\u0627\u0628\u06cc \u0633\u0646\u06af\u06cc\u0646 \u0648\u0632\u0646 \u0628\u0631\u0631\u0633\u06cc \u0634\u0648\u062f. \u0646\u062a\u0627\u06cc\u062c \u062a\u0633\u062a \u0622\u0644\u0648\u062f\u06af\u06cc \u0645\u0635\u0646\u0648\u0639\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f \u06a9\u0647\u00a0 \u062a\u0646\u0634 \u0648\u0644\u062a\u0627\u0698 \u062a\u062e\u0644\u06cc\u06c0 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u06f5\u06f0%\u00a0 (E50%) \u060c \u0628\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0642\u0637\u0631 \u0645\u0642\u0631\u0647 \u0648 \u0637\u0648\u0644 \u062e\u0632\u0634\u06cc\u060c \u06a9\u0627\u0647\u0634 \u0645\u06cc\u200c\u06cc\u0627\u0628\u062f. \u062a\u0627\u062b\u06cc\u0631 \u0686\u06af\u0627\u0644\u06cc \u0631\u0633\u0648\u0628 \u0646\u0645\u06a9 (SDD) \u0646\u06cc\u0632 \u0628\u0631\u0631\u0633\u06cc \u0634\u062f \u0648 \u0645\u0634\u062e\u0635 \u0634\u062f \u06a9\u0647 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\u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0645\u0642\u0631\u0647 \u0648 \u0646\u06cc\u0632 \u0686\u06af\u0627\u0644\u06cc \u0631\u0633\u0648\u0628 \u0646\u0645\u06a9 \u062a\u0648\u0635\u06cc\u0641 \u0634\u0648\u062f. \u0627\u0632 \u0637\u0631\u06cc\u0642 \u062a\u062d\u0644\u06cc\u0644 \u0636\u0631\u0627\u06cc\u0628 \u0628\u0631\u0627\u0632\u0634 \u062a\u0639\u0645\u06cc\u0645 \u06cc\u0627\u0641\u062a\u06c0 (r) \u0645\u0639\u0627\u062f\u0644\u0647 \u0648 \u062e\u0637\u0627\u06cc \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u062a\u062e\u0645\u06cc\u0646 (s) \u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0646\u062a\u06cc\u062c\u0647 \u06af\u0631\u0641\u062a \u06a9\u0647 \u0646\u062a\u0627\u06cc\u062c \u0645\u062d\u0627\u0633\u0628\u0647 \u0634\u062f\u0647 \u0628\u0627 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0622\u0632\u0645\u0627\u06cc\u0634\u06af\u0627\u0647\u06cc \u062a\u0648\u0627\u0641\u0642 \u0648 \u062a\u0637\u0627\u0628\u0642 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\u06a9\u0631\u062f\u0647 \u0648 \u0634\u0627\u06cc\u062f \u0645\u0631\u062c\u0639 \u0645\u0641\u06cc\u062f \u0648 \u0645\u0646\u0627\u0633\u0628\u06cc \u0628\u0631\u0627\u06cc \u0627\u0631\u0632\u06cc\u0627\u0628\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0648 \u0627\u0646\u062a\u062e\u0627\u0628 \u0645\u0642\u0631\u0647\u200c\u0647\u0627 \u062f\u0631 \u062e\u0637\u0648\u0637 \u0627\u0646\u062a\u0642\u0627\u0644 EHV \u0648 UHV \u0641\u0631\u0627\u0647\u0645 \u06a9\u0646\u062f. <\/span><\/p>\n<h3><span style=\"font-size: 18px;\">\u0686\u06a9\u06cc\u062f\u0647 \u0627\u0646\u06af\u0644\u06cc\u0633\u06cc<\/span><\/h3>\n<p style=\"text-align: left;\"><span style=\"font-size: 18px; font-family: times new roman,times;\">Power supply utilities are continuously working to maintain reliable and efficient electrical networks that meet the growing demand for electricity. This is a complex task in which appropriate maintenance, refurbishment and replacement policies for all the assets are critical. Optimising business processes through these constitutes a key challenge of balancing service quality and stakeholder value. Here we present two frameworks that can be used to effectively condition monitor both ethylene propylene diene monomer (EPDM) and silicone rubber (SiR) composite insulators during their lifetime in service. The frameworks are tools to assist asset management decision making. The first framework is derived from a generalized dielectric ageing framework and a more specific one on composite insulators that points out the elements that govern composite insulator materials\u00bf ageing on power transmission and distribution lines. The second framework defines four aged states in relation to the risk to failure that a composite insulator has in service before its replacement. Properties of materials that can be measured in order to identify ageing are reviewed. The techniques available as engineering tools for measuring these properties are introduced. These are distinguished as techniques that can be carried out on-line and off-line, and as destructive and non-destructive tests. These techniques are then reviewed in the context of monitoring and maintaining reliable and efficient operation of power networks<\/span><\/p>\n<h3><span style=\"font-size: 18px;\"><strong>\u0645\u0634\u062e\u0635\u0627\u062a \u0627\u0633\u062a\u0646\u0627\u062f\u06cc<\/strong><\/span><\/h3>\n<p style=\"text-align: left;\"><span style=\"font-size: 18px; font-family: times new roman,times;\">Yang, H., Zhou, J., Li, Y., Pang, L., Yang, X., Zhang, Q., &amp; Yu, X. (2014). Effect of profiles on ac contamination flashover performance of large-tonnage suspension disc insulators. Dielectrics and Electrical Insulation, IEEE Transactions on, 21(6), 2476-2485<\/span><\/p>\n<h3><span style=\"font-size: 18px;\">\u062f\u0627\u0646\u0644\u0648\u062f \u0627\u0635\u0644 \u0645\u0642\u0627\u0644\u0647<\/span><\/h3>\n<h1><span style=\"font-size: 18px;\"><a title=\"\u062f\u0627\u0646\u0644\u0648\u062f \u0627\u0635\u0644 \u0645\u0642\u0627\u0644\u0647\" href=\"http:\/\/www.irantahgig.ir\/wp-content\/uploads\/30380.pdf\" target=\"_blank\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter\" alt=\"10002icon\" src=\"http:\/\/www.irantahgig.ir\/wp-content\/uploads\/10002icon.jpg\" width=\"186\" height=\"250\" \/><\/a>\u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0645\u0642\u0627\u0644\u0647 \u0627\u062b\u0631 \u067e\u0631\u0648\u0641\u06cc\u0644\u200c\u0647\u0627 \u0631\u0648\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u062a\u062e\u0644\u06cc\u06c0 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc AC \u0646\u0627\u0634\u06cc \u0627\u0632 \u0622\u0644\u0648\u062f\u06af\u06cc \u0645\u0642\u0631\u0647\u200c\u0647\u0627\u06cc \u0628\u0634\u0642\u0627\u0628\u06cc \u0645\u0639\u0644\u0642 \u0633\u0646\u06af\u06cc\u0646\u200c\u0648\u0632\u0646<\/span><\/h1>\n<p style=\"text-align: justify;\"><span style=\"font-size: 18px;\">\u0645\u0642\u0627\u0644\u0647 &#8220;\u0627\u062b\u0631 \u067e\u0631\u0648\u0641\u06cc\u0644\u200c\u0647\u0627 \u0631\u0648\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u062a\u062e\u0644\u06cc\u06c0 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc AC \u0646\u0627\u0634\u06cc \u0627\u0632 \u0622\u0644\u0648\u062f\u06af\u06cc \u0645\u0642\u0631\u0647\u200c\u0647\u0627\u06cc \u0628\u0634\u0642\u0627\u0628\u06cc \u0645\u0639\u0644\u0642 \u0633\u0646\u06af\u06cc\u0646\u200c\u0648\u0632\u0646&#8221; \u062f\u0631 \u0633\u0627\u0644 \u06f2\u06f0\u06f1\u06f4 \u062f\u0631 \u0645\u062c\u0644\u0647<span style=\"font-family: times new roman,times;\">\u00a0Dielectrics and Electrical Insulation<\/span> \u0686\u0627\u067e 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