{"id":2015,"date":"2026-08-12T15:00:00","date_gmt":"2026-08-12T07:00:00","guid":{"rendered":"https:\/\/shenhengglobal.com\/blog\/transformer-impedance-fault-level-parallel-operation\/"},"modified":"2026-08-27T09:55:46","modified_gmt":"2026-08-27T01:55:46","slug":"transformer-impedance-fault-level-parallel-operation","status":"publish","type":"post","link":"https:\/\/shenhengglobal.com\/tr\/blog\/transformer-impedance-fault-level-parallel-operation\/","title":{"rendered":"Transformat\u00f6r Empedans\u0131 Ar\u0131za Seviyesini ve Paralel \u00c7al\u0131\u015fmay\u0131 Nas\u0131l Etkiler"},"content":{"rendered":"<div class=\"b2b-article\">\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"Shenheng d\u00f6k\u00fcm re\u00e7ineli kuru tip g\u00fc\u00e7 transformat\u00f6r\u00fc\" src=\"https:\/\/shenhengglobal.com\/wp-content\/uploads\/2026\/06\/1.-3-Phase-Cast-Resin-Dry-Type-Transformer.webp\" \/><\/figure>\n<p style=\"margin:0 0 16px;line-height:1.7\">Transformat\u00f6r empedans\u0131, bir g\u00fc\u00e7 transformat\u00f6r\u00fcn\u00fcn etiket de\u011ferleri ile bir ar\u0131za s\u0131ras\u0131nda panonun g\u00f6rebilece\u011fi ak\u0131m aras\u0131ndaki k\u00f6pr\u00fcd\u00fcr. Ayn\u0131 zamanda, iki transformat\u00f6r\u00fcn bir baray\u0131 payla\u015ft\u0131klar\u0131nda y\u00fck\u00fc nas\u0131l payla\u015ft\u0131raca\u011f\u0131n\u0131 belirler. A\u015fa\u011f\u0131daki hesaplamalar birer \u00f6n eleme arac\u0131d\u0131r; bir koruma, ark-parlama veya ekipman dayan\u0131m \u00e7al\u0131\u015fmas\u0131 a\u011f\u0131n tamam\u0131n\u0131 i\u00e7ermelidir.<\/p>\n<nav class=\"b2b-toc\" style=\"background:#f5f8fa;padding:16px 20px;border-radius:8px;margin:0 0 24px\">\n<h2 id=\"contents\" style=\"margin:42px 0 14px;scroll-margin-top:96px\">\u0130\u00e7indekiler<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"#Read-Z-correctly\">%Z\u2019yi do\u011fru okuyun<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#Estimate-a-first-pass-fault-level\">\u0130lk ge\u00e7i\u015f ar\u0131za seviyesini tahmin edin<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#What-changes-when-transformers-run-in-parallel?\">Transformat\u00f6rler paralel olarak \u00e7al\u0131\u015ft\u0131\u011f\u0131nda ne de\u011fi\u015fir?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#Data-request-checklist\">Veri talep kontrol listesi<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#Specify-the-transformer-package\">Transformer paketini belirtin<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"Read-Z-correctly\">%Z\u2019yi do\u011fru okuyun<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Y\u00fczde empedans (%Z), empedans testi s\u0131ras\u0131nda di\u011fer sarg\u0131 k\u0131sa devre durumundayken nominal ak\u0131m\u0131n akmas\u0131 i\u00e7in gereken ve nominal gerilimin y\u00fczdesi olarak ifade edilen gerilimdir. Birim ba\u015f\u0131na ifade edildi\u011finde, 5%Z de\u011feri 0,05 pu&#x27;dur. Daha d\u00fc\u015f\u00fck empedans genellikle daha iyi gerilim reg\u00fclasyonu anlam\u0131na gelir, ancak ayn\u0131 zamanda daha fazla k\u0131sa devre ak\u0131m\u0131na da izin verir. Bu de\u011fer, nominal kVA, gerilim, frekans, vekt\u00f6r grubu ve kademe konumu ile birlikte okunmal\u0131d\u0131r.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"Empedans ve ar\u0131za seviyesi planlamas\u0131 i\u00e7in kullan\u0131lan ya\u011fl\u0131 tip g\u00fc\u00e7 trafosu\" src=\"https:\/\/shenhengglobal.com\/wp-content\/uploads\/2026\/06\/1.35KV-MVHV-Oil-Immersed-Power-Transformer.webp\" \/><\/figure>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"Estimate-a-first-pass-fault-level\">\u0130lk ge\u00e7i\u015f ar\u0131za seviyesini tahmin edin<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Dengeli bir \u00fc\u00e7 fazl\u0131, sadece transformat\u00f6r yakla\u015f\u0131m\u0131 i\u00e7in:<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><code>metin<br \/>\nI_ar\u0131za \u2248 I_anma \/ Z_pu<br \/>\nS_sc   \u2248 S_transformer \/ Z_pu<\/code><\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u00d6rnek (a\u00e7\u0131klay\u0131c\u0131 nitelikte, Shenheng derecelendirmesi de\u011fildir): 5%Z \u00f6zelliklerine sahip 1.000 kVA, 11 kV\u2019luk bir transformat\u00f6r\u00fcn 11 kV taraf\u0131ndaki nominal ak\u0131m\u0131 yakla\u015f\u0131k 52,5 A\u2019d\u0131r. Bunu 0,05&#x27;e b\u00f6lersek, kaynak, kablo ve motor empedanslar\u0131 eklenmeden \u00f6nce terminallerde yakla\u015f\u0131k 1,05 kA veya yakla\u015f\u0131k 20 MVA ar\u0131za seviyesi elde edilir.<\/p>\n<div class=\"b2b-table-scroll\" role=\"region\" aria-label=\"Kayd\u0131r\u0131labilir veri tablosu\" tabindex=\"0\" style=\"width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 18px\">\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">De\u011fi\u015ftir<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">\u0130lk ge\u00e7i\u015f etkisi<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">M\u00fchendisin h\u00e2l\u00e2 kontrol etti\u011fi \u015fey<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">%Z, 6% seviyesinden 5% seviyesine d\u00fc\u015ft\u00fc<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">M\u00fcstakbel ak\u0131m y\u00fckseli\u015fleri<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Kaynak empedans\u0131, X\/R, kesici a\u00e7ma kapasitesi<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ayn\u0131 %Z de\u011ferinde trafo kVA de\u011feri artar<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">K\u0131sa devre MVA ve ak\u0131m art\u0131\u015f\u0131<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Baraj g\u00fc\u00e7lendirmesi, koruma koordinasyonu<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Trafo ve bara aras\u0131na kablo eklendi.<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Barda ar\u0131za ak\u0131m\u0131 azal\u0131r<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Kablo uzunlu\u011fu, iletken geometrisi, s\u0131cakl\u0131k<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin:0 0 16px;line-height:1.7\">Bu tahmini do\u011frudan bir kesici de\u011ferine d\u00f6n\u00fc\u015ft\u00fcrmeyin. Fiili \u00e7al\u0131\u015fma; \u015febeke ar\u0131za seviyesini, jenerat\u00f6r\/motor katk\u0131s\u0131n\u0131, topraklama y\u00f6ntemini, X\/R oran\u0131n\u0131 ve en k\u00f6t\u00fc i\u015fletme konfig\u00fcrasyonunu ekler.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"What-changes-when-transformers-run-in-parallel?\">Transformat\u00f6rler paralel olarak \u00e7al\u0131\u015ft\u0131\u011f\u0131nda ne de\u011fi\u015fir?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Bir ba\u011f\u0131 kapatmadan \u00f6nce \u015funlar\u0131n t\u00fcm\u00fcn\u00fc do\u011frulay\u0131n:<\/p>\n<ol style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\">Ayn\u0131 faz s\u0131ras\u0131, polarite ve vekt\u00f6r grubu (veya a\u00e7\u0131k\u00e7a tasarlanm\u0131\u015f uyumlu bir ba\u011flant\u0131).<\/li>\n<li style=\"margin:0 0 8px\">Se\u00e7ilen kademede neredeyse e\u015fit sekonder gerilim oran\u0131; aksi takdirde y\u00fcks\u00fcz durumda sirk\u00fclasyon ak\u0131m\u0131 akabilir.<\/li>\n<li style=\"margin:0 0 8px\">Uyumlu anma gerilimleri, frekans ve yal\u0131t\u0131m seviyeleri.<\/li>\n<li style=\"margin:0 0 8px\">Kar\u015f\u0131la\u015ft\u0131r\u0131labilir y\u00fczde empedans ve X\/R. Farkl\u0131 empedansa sahip \u00fcniteler y\u00fck\u00fc e\u015fit olarak payla\u015fmaz.<\/li>\n<li style=\"margin:0 0 8px\">Koruma, n\u00f6trleme\/topraklama ve k\u0131sa devre g\u00f6revleri her anahtarlama durumu i\u00e7in kabul edilebilir d\u00fczeyde kalmaktad\u0131r.<\/li>\n<\/ol>\n<p style=\"margin:0 0 16px;line-height:1.7\">Ortak bir yola ba\u011flanan iki \u00fcnite i\u00e7in, ba\u015flang\u0131\u00e7taki y\u00fck payla\u015f\u0131m tahmini, ka\u00e7ak empedanslar\u0131yla ters orant\u0131l\u0131d\u0131r:<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><code>metin<br \/>\nI1 \/ I2 \u2248 Z2 \/ Z1<\/code><\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">E\u015fit kVA de\u011ferine sahip \u00fcniteler aras\u0131nda 5%Z ve 6%Z modelleri varsa, 5%Z \u00fcnitesi, kademe, s\u0131cakl\u0131k ve dola\u015f\u0131m ak\u0131m\u0131 etkileri hesaba kat\u0131lmadan \u00f6nce, 6%Z \u00fcnitesinin ak\u0131m\u0131n\u0131n yakla\u015f\u0131k 6\/5 (1,2) kat\u0131n\u0131 ta\u015f\u0131maya meyillidir. Bunu, garantili bir saha sonucu olarak de\u011fil, bir \u00e7al\u0131\u015fma ba\u015flang\u0131\u00e7 noktas\u0131 olarak de\u011ferlendirin.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"Data-request-checklist\">Veri talep kontrol listesi<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">OEM'den veya elektrik da\u011f\u0131t\u0131m \u015firketinden a\u015fa\u011f\u0131dakileri isteyin:<\/p>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\">anma g\u00fcc\u00fc, primer\/sekonder gerilim, frekans ve ba\u011flant\u0131 grubu;<\/li>\n<li style=\"margin:0 0 8px\">%Z ve X\/R i\u00e7in garantili, tolerans ve test standard\u0131 dahil;<\/li>\n<li style=\"margin:0 0 8px\">kademe aral\u0131\u011f\u0131, kademe konumu ve \u00f6nerilen i\u015fletme kademesindeki oran;<\/li>\n<li style=\"margin:0 0 8px\">ilgili oldu\u011fu durumlarda topraklama\/n\u00f6tr d\u00fczenlemesi ve s\u0131f\u0131r bile\u015fen bilgisi;<\/li>\n<li style=\"margin:0 0 8px\">memba k\u0131sa devre seviyesi, kablo empedanslar\u0131 ve motor\/jenerat\u00f6r katk\u0131lar\u0131;<\/li>\n<li style=\"margin:0 0 8px\">ama\u00e7lanan paralel kombinasyonlar, y\u00fck profili ve tie-breaker durumlar\u0131;<\/li>\n<li style=\"margin:0 0 8px\">rutin\/tip testi kan\u0131t\u0131 ve en son isim levhas\u0131 veya test raporu.<\/li>\n<\/ul>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"Specify-the-transformer-package\">Transformer paketini belirtin<\/h2>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"\u00dc\u00e7 fazl\u0131 kuru tip trafo \u00fcr\u00fcn ailesi\" src=\"https:\/\/shenhengglobal.com\/wp-content\/uploads\/2026\/06\/1.Three-Phase-Dry-Type-Transformer.webp\" \/><\/figure>\n<p style=\"margin:0 0 16px;line-height:1.7\">Shenheng Power\u2019\u0131n <a href=\"https:\/\/shenhengglobal.com\/tr\/transformer\/\">transformat\u00f6r \u00fcr\u00fcn ailesi<\/a> Kuru tip veya ya\u011fa bat\u0131r\u0131lm\u0131\u015f bir g\u00fc\u00e7 transformat\u00f6r\u00fc i\u00e7in bu alanlar\u0131 talep etmeniz gerekti\u011finde izlemeniz gereken uygun yol budur. Kategori ba\u011flant\u0131s\u0131, belirli bir modelin %Z, ar\u0131za g\u00f6rev s\u00fcresi veya paralel uyumlulu\u011funu belirlemez. Tedarik\u00e7inin do\u011frulanabilir bir veri sayfas\u0131 g\u00f6nderebilmesi i\u00e7in tek hat \u015feman\u0131z\u0131, \u00e7al\u0131\u015fma gerilimi temelini, \u015febeke ar\u0131za seviyesini ve gerekli kademe\/topraklama ayr\u0131nt\u0131lar\u0131n\u0131 ekleyin.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"References\">Kaynak\u00e7a<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/electrical-engineering-portal.com\/transformer-impedance\" rel=\"nofollow noopener\" target=\"_blank\">Transformat\u00f6r empedans\u0131 ve e\u015fde\u011fer devre a\u00e7\u0131klamas\u0131<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.se.com\/us\/en\/faqs\/FA101257\/\" rel=\"nofollow noopener\" target=\"_blank\">Schneider Electric k\u0131sa devre ak\u0131m\u0131 hesaplama k\u0131lavuzu<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/library.e.abb.com\/public\/transformer-parallel-operation.pdf\" rel=\"nofollow noopener\" target=\"_blank\">Paralel \u00e7al\u0131\u015fma hakk\u0131nda ABB teknik notu<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.cigre.org\/publications\/technical-brochures\" rel=\"nofollow noopener\" target=\"_blank\">Sistem \u00e7al\u0131\u015fmalar\u0131 i\u00e7in CIGRE teknik bro\u015f\u00fcr k\u00fct\u00fcphanesi<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/shenhengglobal.com\/tr\/transformer\/\">Shenheng G\u00fc\u00e7 trafosu \u00fcr\u00fcn ailesi<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Transformat\u00f6r y\u00fczde empedans\u0131n\u0131n paralel gruplarda ar\u0131za ak\u0131m\u0131n\u0131, ar\u0131za seviyesini ve y\u00fck payla\u015f\u0131m\u0131n\u0131 nas\u0131l de\u011fi\u015ftirdi\u011fini; denklemler, varsay\u0131mlar ve RFQ veri girdileri ile \u00f6\u011frenin.<\/p>","protected":false},"author":1,"featured_media":2046,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-2015","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"acf":[],"_links":{"self":[{"href":"https:\/\/shenhengglobal.com\/tr\/wp-json\/wp\/v2\/posts\/2015","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shenhengglobal.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shenhengglobal.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shenhengglobal.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shenhengglobal.com\/tr\/wp-json\/wp\/v2\/comments?post=2015"}],"version-history":[{"count":1,"href":"https:\/\/shenhengglobal.com\/tr\/wp-json\/wp\/v2\/posts\/2015\/revisions"}],"predecessor-version":[{"id":2028,"href":"https:\/\/shenhengglobal.com\/tr\/wp-json\/wp\/v2\/posts\/2015\/revisions\/2028"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shenhengglobal.com\/tr\/wp-json\/wp\/v2\/media\/2046"}],"wp:attachment":[{"href":"https:\/\/shenhengglobal.com\/tr\/wp-json\/wp\/v2\/media?parent=2015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shenhengglobal.com\/tr\/wp-json\/wp\/v2\/categories?post=2015"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shenhengglobal.com\/tr\/wp-json\/wp\/v2\/tags?post=2015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}