{"id":4717,"date":"2026-05-31T02:02:19","date_gmt":"2026-05-30T23:02:19","guid":{"rendered":"https:\/\/aesinn.com\/?page_id=4717"},"modified":"2026-10-24T15:42:55","modified_gmt":"2026-10-24T12:42:55","slug":"transformator-muayenesi","status":"publish","type":"page","link":"https:\/\/aesinn.com\/en\/trafo-ve-guc-sistemleri\/transformator-muayenesi\/","title":{"rendered":"Transformer Inspection"},"content":{"rendered":"<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>Short answer:<\/strong> Transformer inspection is a periodic check that verifies power transformers are operating safely and reliably in terms of electrical, mechanical, and insulation aspects. This is done through oil analysis, visual inspection, and electrical testing.<\/p><\/blockquote>\n\n\n\n<div class=\"aes-standart-durumu\" data-aes=\"std-20261024\" style=\"border-left:4px solid #1F4E79;background:#f3f6fa;padding:14px 18px;margin:18px 0 22px 0;font-size:15px;line-height:1.6;color:#222;\"><strong>Standard status (October 2026)<\/strong><ul style=\"margin:8px 0 6px 18px;padding:0;\"><li>The revision of EN 50522, which regulates the grounding of AC power installations exceeding 1 kV, is in the draft (survey) stage at CENELEC as prEN 50522. Until the revision is published and adopted as a national standard, the current TS EN 50522 will be used as the basis.<\/li><\/ul><span style=\"font-size:13px;color:#555;\">Source: CEN\/CENELEC work program records (October 2026).<\/span><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">A transformer is the most critical and expensive piece of equipment at a facility&#039;s power supply. Its failure leads to both prolonged production downtime and serious safety risks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Deterioration of insulation oil, aging of coil insulation, or cooling problems progress unnoticed and can lead to sudden failure. Periodic inspections detect these risks early.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What is checked during a transformer inspection?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Insulation oil level, leakage, and visual condition.<\/li><li>Oil sample analysis (if required) and moisture content.<\/li><li>Winding insulation resistance and electrical tests.<\/li><li>Buchholz relay, thermometer and protective equipment.<\/li><li>Grounding, connections, and cooling system.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Oil: An Indicator of Transformer Health<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In oil-filled transformers, the insulating oil serves not only as a coolant but also as an electrical insulator, and is the strongest indicator of the transformer&#039;s internal health. Over time, moisture, oxidation, and temperature degrade the oil; furthermore, internal faults produce dissolved gases in the oil. Analysis of an oil sample (dielectric strength, moisture, and, if necessary, dissolved gas analysis) can reveal a developing problem in the windings or connections before a fault occurs. Therefore, transformer inspection is not just a visual external check but a holistic assessment including oil and electrical tests.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Legal Framework and Assessment<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Transformers are evaluated as part of the periodic inspection of electrical installations and are generally inspected at least once a year; the results are reported.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">How often should transformers be inspected?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In general, tests such as oil analysis are recommended at least once a year; more frequent tests are advised in critical facilities.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why is fat analysis important?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Oil is an early indicator of internal malfunctions; analysis reveals problems before a breakdown occurs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What is the purpose of a Buchholz relay?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">It provides protection in oil-filled transformers by detecting internal faults\/gas buildup.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Transformer Inspection \u2014 Authorized Engineering Service<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">For detailed information <a href=\"https:\/\/aesinn.com\/en\/trafo-ve-guc-sistemleri\/\">Transformers and Power Systems<\/a> Please review our page for the legal framework. <a href=\"https:\/\/aesinn.com\/en\/periyodik-kontrol-zorunlu-mu-yasal-sureler\/\">mandatory periodic inspection<\/a> Check our guide.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\"><div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/aesinn.com\/en\/iletisim\/\">Get a free quote \u00bb<\/a><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ministry&#039;s mandatory report format:<\/strong> For this inspection, the periodic inspection report format (ZPKR05) and inspection criteria (ZPKK05) required by the Ministry are as follows: <a href=\"https:\/\/aesinn.com\/en\/zpkr05-transformator-1-36-kv-periyodik-kontrol-raporu-ve-kriterleri\/\">Transformer 1-36 kV (HV) visual inspection and grounding installation: report format and criteria.<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>K\u0131sa yan\u0131t: Transformat\u00f6r muayenesi, g\u00fc\u00e7 transformat\u00f6rlerinin elektriksel, mekanik ve yal\u0131t\u0131m a\u00e7\u0131s\u0131ndan sa\u011fl\u0131kl\u0131 ve g\u00fcvenli \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 do\u011frulayan periyodik kontrold\u00fcr. Ya\u011f analizi, g\u00f6zle muayene ve elektriksel testlerle yap\u0131l\u0131r. Standart durumu (Ekim 2026) 1 kV&#8217;u a\u015fan AC g\u00fc\u00e7 tesislerinin topraklamas\u0131n\u0131 d\u00fczenleyen EN 50522&#8217;nin revizyonu prEN 50522 olarak CENELEC&#8217;te taslak (anket) a\u015famas\u0131nda. Revizyon yay\u0131mlan\u0131p ulusal standart olarak kabul edilinceye&#8230;<\/p>","protected":false},"author":1,"featured_media":2568,"parent":2527,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"show","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"show","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","slim_seo":{"title":"Transformer Inspection - AES Innovation","description":"Short answer: Transformer inspection is a periodic check that verifies that power transformers are operating safely and effectively in terms of electrical, mechanical, and insulation aspects."},"_pplb_hide_from_list":false,"footnotes":""},"class_list":["post-4717","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"taxonomy_info":[],"featured_image_src_large":["https:\/\/aesinn.com\/wp-content\/uploads\/aes-thumbnail.png",768,768,false],"author_info":{"display_name":"Emre Metin","author_link":"https:\/\/aesinn.com\/en\/author\/yonetim\/"},"comment_info":"","_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"_links":{"self":[{"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/pages\/4717","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/comments?post=4717"}],"version-history":[{"count":5,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/pages\/4717\/revisions"}],"predecessor-version":[{"id":6449,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/pages\/4717\/revisions\/6449"}],"up":[{"embeddable":true,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/pages\/2527"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/media\/2568"}],"wp:attachment":[{"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/media?parent=4717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}