{"id":4321,"date":"2026-05-30T16:54:45","date_gmt":"2026-05-30T13:54:45","guid":{"rendered":"https:\/\/aesinn.com\/?p=4321"},"modified":"2026-05-30T23:19:55","modified_gmt":"2026-05-30T20:19:55","slug":"iec-61869-olcu-transformatorleri-dogruluk","status":"publish","type":"post","link":"https:\/\/aesinn.com\/en\/iec-61869-olcu-transformatorleri-dogruluk\/","title":{"rendered":"What is IEC 61869? Accuracy of Current and Voltage (Measuring) Transformers."},"content":{"rendered":"<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>Short answer:<\/strong> IEC 61869, ak\u0131m (CT) ve gerilim (VT) \u00f6l\u00e7\u00fc transformat\u00f6rlerinin do\u011fruluk, performans ve g\u00fcvenlik standard\u0131d\u0131r (eski IEC 60044&#8217;\u00fcn yerini al\u0131r). Binlerce amperlik g\u00fcc\u00fc \u00f6l\u00e7\u00fclebilir k\u00fc\u00e7\u00fck seviyelere indiren bu cihazlar\u0131n <strong>do\u011fruluk s\u0131n\u0131f\u0131<\/strong>, hem enerji faturan\u0131z\u0131 hem de koruma r\u00f6lelerinizin g\u00fcvenilirli\u011fini do\u011frudan belirler.<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">OSB veya sanayi giri\u015finizdeki ak\u0131m transformat\u00f6r\u00fcn\u00fcn do\u011frulu\u011funda kayma varsa, i\u015fletmeniz her ay fark\u0131nda olmadan <strong>hatal\u0131 enerji faturas\u0131<\/strong> \u00f6deyebilir. Ayn\u0131 trafo koruma ama\u00e7l\u0131 kullan\u0131l\u0131yorsa, k\u0131sa devrede doyuma ula\u015f\u0131p r\u00f6leyi besleyemezse tesis korumas\u0131z kal\u0131r.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0130ki Temel Kriter: Do\u011fruluk ve Doyma<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Kavram<\/th><th>Ne anlama gelir?<\/th><th>Neden \u00f6nemli?<\/th><\/tr><\/thead><tbody><tr><td>Do\u011fruluk S\u0131n\u0131f\u0131<\/td><td>0.2s \/ 0.5s gibi hata limitleri<\/td><td>Faturalama (metraj) do\u011frulu\u011fu \u2014 para kayb\u0131n\u0131 \u00f6nler<\/td><\/tr><tr><td>ALF \/ Doyma e\u011frisi<\/td><td>Ak\u0131m trafosunun doyuma ula\u015fma s\u0131n\u0131r\u0131<\/td><td>K\u0131sa devrede r\u00f6lenin do\u011fru \u00e7al\u0131\u015fmas\u0131 \u2014 koruma g\u00fcvenilirli\u011fi<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Faturalama (Metering) Taraf\u0131<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ticari saya\u00e7lar\u0131 besleyen \u00f6l\u00e7\u00fc trafolar\u0131 <strong>S\u0131n\u0131f 0.2s veya 0.5s<\/strong> gibi dar hata limitlerinde olmal\u0131d\u0131r. Y\u0131llar i\u00e7inde manyetik \u00f6zelliklerdeki kayma veya y\u00fck (burden) uyumsuzlu\u011fu, \u00f6l\u00e7\u00fcm\u00fc kabul s\u0131n\u0131r\u0131n\u0131n d\u0131\u015f\u0131na ta\u015f\u0131yabilir; bu da eksik\/fazla faturaland\u0131rma demektir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Koruma (Protection) Taraf\u0131<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Koruma ama\u00e7l\u0131 ak\u0131m trafolar\u0131nda kritik parametre <strong>ALF (Accuracy Limit Factor)<\/strong>&#8216;dur. \u015eebekedeki b\u00fcy\u00fck k\u0131sa devre ak\u0131m\u0131nda trafo doyuma ula\u015fmamal\u0131, ak\u0131m\u0131 r\u00f6leye orant\u0131l\u0131 aktarabilmelidir. Doyan bir CT, koruma r\u00f6lesini &#8220;k\u00f6r&#8221; eder ve ar\u0131za temizlenemez.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ne Zaman Kontrol\/Do\u011frulama Gerekir?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Yeni trafo merkezi devreye al\u0131m\u0131nda (tip ve rutin testler)<\/li><li>Faturalarda a\u00e7\u0131klanamayan sapma g\u00f6r\u00fcld\u00fc\u011f\u00fcnde<\/li><li>Koruma koordinasyon \u00e7al\u0131\u015fmas\u0131 \u00f6ncesinde<\/li><li>Periyodik trafo\/g\u00fc\u00e7 sistemi muayenesi kapsam\u0131nda<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">AES&#8217;in \u00d6l\u00e7\u00fc Transformat\u00f6r\u00fc Do\u011frulama Yakla\u015f\u0131m\u0131<\/h2>\n\n\n\n<ol class=\"wp-block-list\"><li>Etiket ve uygulama uyumunun (do\u011fruluk s\u0131n\u0131f\u0131, burden, ALF) incelenmesi<\/li><li>Oran, polarite ve do\u011fruluk \u00f6l\u00e7\u00fcmleri<\/li><li>Doyma (knee-point) e\u011frisi de\u011ferlendirmesi<\/li><li>Koruma koordinasyonuyla uyum kontrol\u00fc ve raporlama<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Do\u011frulu\u011fu Etkileyen Gizli Fakt\u00f6r: Burden (Y\u00fck)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u00d6l\u00e7\u00fc transformat\u00f6r\u00fcn\u00fcn do\u011fruluk s\u0131n\u0131f\u0131 yaln\u0131zca cihaz\u0131n kendisine de\u011fil, ona ba\u011fl\u0131 <strong>y\u00fcke (burden)<\/strong> de ba\u011fl\u0131d\u0131r. Burden, ak\u0131m\/gerilim trafosunun ikincil devresine ba\u011fl\u0131 saya\u00e7, r\u00f6le ve kablolar\u0131n olu\u015fturdu\u011fu toplam empedanst\u0131r (VA cinsinden). Bir trafo, belirli bir burden aral\u0131\u011f\u0131nda etiketteki do\u011frulu\u011fu sa\u011flar; bu aral\u0131\u011f\u0131n alt\u0131nda veya \u00fcst\u00fcnde \u00e7al\u0131\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda hata s\u0131n\u0131rlar\u0131n\u0131n d\u0131\u015f\u0131na \u00e7\u0131kar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sahada en s\u0131k g\u00f6r\u00fclen hata, trafonun anma burden&#8217;\u0131ndan <strong>\u00e7ok d\u00fc\u015f\u00fck y\u00fckte<\/strong> \u00e7al\u0131\u015ft\u0131r\u0131lmas\u0131d\u0131r: \u00f6rne\u011fin uzun y\u0131llar \u00f6nce mekanik saya\u00e7lar i\u00e7in boyutland\u0131r\u0131lm\u0131\u015f 30 VA&#8217;l\u0131k bir ak\u0131m trafosuna, bug\u00fcn yaln\u0131zca birka\u00e7 VA \u00e7eken dijital bir saya\u00e7 ba\u011flan\u0131r. Bu uyumsuzluk, \u00f6zellikle d\u00fc\u015f\u00fck ak\u0131mlarda \u00f6l\u00e7\u00fcm hatas\u0131na ve dolay\u0131s\u0131yla faturaland\u0131rma sapmas\u0131na yol a\u00e7ar. Koruma taraf\u0131nda ise yetersiz boyutland\u0131r\u0131lm\u0131\u015f burden ve uzun ikincil kablolar, ak\u0131m trafosunun <strong>daha erken doyuma<\/strong> ula\u015fmas\u0131na ve k\u0131sa devrede r\u00f6leyi besleyememesine neden olur. Bu y\u00fczden do\u011fru de\u011ferlendirme, trafoyu tek ba\u015f\u0131na de\u011fil, <strong>ba\u011fl\u0131 oldu\u011fu t\u00fcm sekonder devreyle birlikte<\/strong> ele almay\u0131 gerektirir. AES&#8217;in do\u011frulama \u00e7al\u0131\u015fmas\u0131, oran ve do\u011fruluk \u00f6l\u00e7\u00fcm\u00fcn\u00fcn yan\u0131 s\u0131ra burden uyumunu ve kablo kay\u0131plar\u0131n\u0131 da kapsar.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">IEC 61869 ile IEC 60044 fark\u0131 nedir?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IEC 61869, IEC 60044 serisinin g\u00fcncel ve daha kapsaml\u0131 halidir; dijital (sampled value) \u00f6l\u00e7\u00fc trafolar\u0131n\u0131 ve daha s\u0131k\u0131 performans kriterlerini de i\u00e7erir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">S\u0131n\u0131f 0.5 ile 0.5s aras\u0131ndaki fark nedir?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">&#8220;s&#8221; eki, d\u00fc\u015f\u00fck ak\u0131m y\u00fczdelerinde (\u00f6rn. %1 y\u00fckte) bile y\u00fcksek do\u011fruluk gerektiren ticari metraj s\u0131n\u0131f\u0131n\u0131 belirtir; s\u0131radan 0.5&#8217;e g\u00f6re \u00e7ok daha dar tolerans sunar.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Faturan\u0131z\u0131 ve Koruman\u0131z\u0131 G\u00fcvenceye Al\u0131n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u00d6l\u00e7\u00fc transformat\u00f6rlerinizin do\u011frulu\u011funu ve koruma uyumunu akredite \u00f6l\u00e7\u00fcmlerle do\u011frulay\u0131n. \u0130lgili hizmet: <a href=\"https:\/\/aesinn.com\/en\/trafo-ve-guc-sistemleri\/\">Transformer and Power System Inspections<\/a>.<\/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 preliminary assessment and quote \u00bb<\/a><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Short answer: IEC 61869 is the standard for accuracy, performance, and safety of current (CT) and voltage (VT) measuring transformers (replacing the older IEC 60044\u2026).<\/p>","protected":false},"author":4,"featured_media":4320,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","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":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","slim_seo":{"title":"IEC 61869 Nedir? Ak\u0131m ve Gerilim (\u00d6l\u00e7\u00fc) Transformat\u00f6rleri Do\u011frulu\u011fu - AES Innovation","description":"K\u0131sa yan\u0131t: IEC 61869, ak\u0131m (CT) ve gerilim (VT) \u00f6l\u00e7\u00fc transformat\u00f6rlerinin do\u011fruluk, performans ve g\u00fcvenlik standard\u0131d\u0131r (eski IEC 60044'\u00fcn yerini al\u0131r). Binler"},"footnotes":""},"categories":[15],"tags":[],"class_list":["post-4321","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-standartlar"],"acf":[],"taxonomy_info":{"category":[{"value":15,"label":"Standartlar"}]},"featured_image_src_large":["https:\/\/aesinn.com\/wp-content\/uploads\/gorsel_61869_akim_trafo_1776335326562.jpg",1024,1024,false],"author_info":{"display_name":"AI AI","author_link":"https:\/\/aesinn.com\/en\/author\/antigravity\/"},"comment_info":"","category_info":[{"term_id":15,"name":"Standartlar","slug":"standartlar","term_group":0,"term_taxonomy_id":15,"taxonomy":"category","description":"","parent":0,"count":32,"filter":"raw","cat_ID":15,"category_count":32,"category_description":"","cat_name":"Standartlar","category_nicename":"standartlar","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/posts\/4321","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/comments?post=4321"}],"version-history":[{"count":2,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/posts\/4321\/revisions"}],"predecessor-version":[{"id":4598,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/posts\/4321\/revisions\/4598"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/media\/4320"}],"wp:attachment":[{"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/media?parent=4321"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/categories?post=4321"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/tags?post=4321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}