{"id":789,"date":"2026-09-08T04:14:10","date_gmt":"2026-09-08T04:14:10","guid":{"rendered":"https:\/\/ritoks.com\/?p=789"},"modified":"2026-10-04T06:58:21","modified_gmt":"2026-10-04T06:58:21","slug":"current-transformer-selection-guide","status":"publish","type":"post","link":"https:\/\/ritoks.com\/tr\/current-transformer-selection-guide\/","title":{"rendered":"Ak\u0131m Trafosu Se\u00e7im K\u0131lavuzu: Yap\u0131, Oran, \u00c7\u0131k\u0131\u015f ve Model Do\u011frulama"},"content":{"rendered":"

Ak\u0131m transformat\u00f6r\u00fcn\u00fcn se\u00e7imi, yaln\u0131zca model numaras\u0131yla de\u011fil, \u00f6l\u00e7\u00fcm gereksinimleriyle ba\u015flar. Al\u0131c\u0131lar, sipari\u015f vermeden \u00f6nce fiziksel yap\u0131y\u0131, birincil ak\u0131m gereksinimini, ikincil \u00e7\u0131k\u0131\u015f\u0131, oran\u0131n\u0131, kurulum uygunlu\u011funu, do\u011fruluk gereksinimini, varsa y\u00fck\u00fc, frekans\u0131, yal\u0131t\u0131m gereksinimlerini ve gerekli olan kesin belgeleri belirlemelidir.<\/p>\n\n\n\n

Bu ak\u0131m transformat\u00f6r\u00fc se\u00e7im k\u0131lavuzu, genel do\u011frulama ad\u0131mlar\u0131n\u0131 yay\u0131nlanm\u0131\u015f RITOKS \u00fcr\u00fcn verilerinden ay\u0131rmaktad\u0131r. Bu k\u0131lavuz, oran, y\u00fck veya koruma ayarlar\u0131n\u0131 hesaplamaz ve uygulama m\u00fchendisli\u011finin ya da ilgili modelin teknik belgelerinin yerini almaz.<\/p>\n\n\n\n

\"End\u00fcstriyel
Representative DP Series split-core current transformer. Published output, burden, frequency, insulation and mechanical details must be confirmed for the exact model.<\/figcaption><\/figure>\n\n\n\n

Ak\u0131m Transformat\u00f6r\u00fc Se\u00e7imi: \u00d6zet Bilgi<\/h2>\n\n\n\n

Kullan\u0131\u015fl\u0131 bir teknik \u015fartname, uygulama gereksinimlerinden ba\u015flayarak CT yap\u0131s\u0131 ve elektriksel aray\u00fcze do\u011fru ilerler ve fiziksel uyum ile kesin model belgeleriyle son bulur. Genel terminoloji, \u015fu kayna\u011f\u0131n resmi teknik belgelerinde a\u00e7\u0131klanmaktad\u0131r: Schneider Electric<\/a>, onun Split-core CT kurulum k\u0131lavuzu<\/a>, ve Socomec ak\u0131m sens\u00f6r\u00fc ve transformat\u00f6r\u00fc se\u00e7im k\u0131lavuzu<\/a>. Bu kaynaklar yaln\u0131zca genel kavramlar\u0131 desteklemektedir; bu kaynaklardaki derecelendirmeler ve \u00f6neriler, RITOKS \u00fcr\u00fcn \u00f6zellikleri de\u011fildir.<\/p>\n\n\n\n

Ak\u0131m Transformat\u00f6r\u00fc Se\u00e7imi Giri\u015fleri<\/h3>\n\n\n\n
\n
Se\u00e7im giri\u015fi<\/th>Neleri teyit etmek gerekir?<\/th><\/tr><\/thead>
CT yap\u0131s\u0131<\/td>Kurulum gere\u011fi ayr\u0131k \u00e7ekirdekli, kapal\u0131 \u00e7ekirdekli veya minyat\u00fcr yap\u0131<\/td><\/tr>\n
Birincil ak\u0131m gereksinimi<\/td>Projenin ak\u0131m aral\u0131\u011f\u0131 ve s\u00f6z konusu model i\u00e7in yay\u0131nlanm\u0131\u015f birincil ak\u0131m se\u00e7ene\u011fi<\/td><\/tr>\n
\u0130kincil \u00e7\u0131k\u0131\u015f<\/td>Ba\u011fl\u0131 saya\u00e7 veya izleme cihaz\u0131 i\u00e7in gerekli giri\u015f verisi<\/td><\/tr>\n
Oran<\/td>Kesin model i\u00e7in yay\u0131nlanm\u0131\u015f birincil-ikincil ili\u015fki<\/td><\/tr>\n
\u0130letken \/ a\u00e7\u0131kl\u0131k uyumu<\/td>Yay\u0131nlanan a\u00e7\u0131kl\u0131\u011fa g\u00f6re \u015falt veya baran\u0131n boyutlar\u0131<\/td><\/tr>\n
Kurulum eri\u015fimi<\/td>\u0130letkenin \u00e7\u0131kar\u0131labilmesi mi yoksa yerinde kalmas\u0131 m\u0131 gerekti\u011fi<\/td><\/tr>\n
Montaj<\/td>Kullan\u0131labilir alan, montaj y\u00f6ntemi ve kablo gereksinimleri<\/td><\/tr>\n
Frekans<\/td>Gerekli \u00e7al\u0131\u015fma frekans\u0131 ve modelin tam ad\u0131n\u0131n a\u00e7\u0131klanmas\u0131<\/td><\/tr>\n
Do\u011fruluk gereklili\u011fi<\/td>Gerekli terminoloji ve yay\u0131nlanm\u0131\u015f kesin s\u0131n\u0131f veya performans alan\u0131<\/td><\/tr>\n
Y\u00fck<\/td>\u0130lgili VA \u015fart\u0131 ve yay\u0131nland\u0131\u011f\u0131 yerin tam sat\u0131r\u0131<\/td><\/tr>\n
Yal\u0131t\u0131m \/ dayan\u0131m<\/td>Proje gereksinimleri ve kesin model belgeleri<\/td><\/tr>\n
Tam model<\/td>Eki, varyant ve s\u0131ralanabilir yap\u0131land\u0131rman\u0131n tamam\u0131<\/td><\/tr>\n
Teknik veri sayfas\u0131 \/ belgeler<\/td>Gerekli elektrik, mekanik ve uygunluk belgeleri<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n\n\n

1. CT Yap\u0131s\u0131 ile Ba\u015flay\u0131n<\/h2>\n\n\n\n

\u00c7ift \u00c7ekirdekli Ak\u0131m Transformat\u00f6rleri<\/h3>\n\n\n\n

\u0130kiye ayr\u0131lm\u0131\u015f \u00e7ekirdekli bir ak\u0131m trafosu, mevcut bir iletken veya baran\u0131n etraf\u0131na monte edilmek \u00fczere a\u00e7\u0131labilir. Bu durum, iletkenin devre d\u0131\u015f\u0131 b\u0131rak\u0131lmas\u0131n\u0131n pratik olmad\u0131\u011f\u0131 durumlarda \u00f6nem kazanabilir; ancak yap\u0131s\u0131 tek ba\u015f\u0131na gerekli oran\u0131, \u00e7\u0131k\u0131\u015f de\u011ferini, do\u011frulu\u011fu veya y\u00fck\u00fc belirlemez. DP Serisi b\u00f6l\u00fcnm\u00fc\u015f \u00e7ekirdekli ak\u0131m transformat\u00f6r\u00fc<\/a> Yay\u0131nlanm\u0131\u015f dokuz model referans\u0131na dayanan bir RITOKS yap\u0131 \u00f6rne\u011fi sunmaktad\u0131r. \u00dcr\u00fcn\u00fcn tam ikincil \u00e7\u0131k\u0131\u015f konfig\u00fcrasyonu, y\u00fck\u00fc, frekans\u0131, yal\u0131t\u0131m\u0131, a\u00e7\u0131kl\u0131\u011f\u0131 ve ayr\u0131nt\u0131l\u0131 boyutlar\u0131 yay\u0131nlanmam\u0131\u015ft\u0131r ve teyit edilmesi gerekmektedir.<\/p>\n\n\n\n

Kapal\u0131 \u00c7ekirdekli Ak\u0131m Trafolar\u0131<\/h3>\n\n\n\n

Kapal\u0131 \u00e7ekirdekli bir CT, kurulum s\u0131ras\u0131nda iletkenin a\u00e7\u0131kl\u0131\u011f\u0131ndan ge\u00e7mesini gerektirir. Bu nedenle al\u0131c\u0131lar, elektriksel \u00f6zelliklerin yan\u0131 s\u0131ra kurulum eri\u015fimini de do\u011frulamal\u0131d\u0131r. Bu BH-0.66 60I al\u00e7ak gerilim ak\u0131m transformat\u00f6r\u00fc<\/a> On bir adet yay\u0131nlanm\u0131\u015f \/5A oran\u0131 sat\u0131r\u0131 i\u00e7eren, kapal\u0131 \u00e7ekirdekli, tek \u00e7ekirdekli bir ailedir. Kesin oran\u0131, do\u011fruluk s\u0131n\u0131f\u0131 ve y\u00fck de\u011ferleri, keyfi bir \u015fekilde yeniden birle\u015ftirilmek yerine birlikte de\u011ferlendirilmelidir.<\/p>\n\n\n\n

Minyat\u00fcr Ak\u0131m Transformat\u00f6rleri<\/h3>\n\n\n\n

\u201cMinyat\u00fcr\u201d terimi, kompakt fiziksel yap\u0131y\u0131 ifade eder; bu, \u00fcst\u00fcn do\u011fruluk veya her duruma uygunluk iddias\u0131 de\u011fildir. Bu GTA20L hassas minyat\u00fcr ak\u0131m transformat\u00f6r\u00fc<\/a> D\u0131\u015f \u00e7ap\u0131 26 mm, y\u00fcksekli\u011fi 28,4 mm, a\u00e7\u0131kl\u0131\u011f\u0131 8,5 mm ve u\u00e7 uzunlu\u011fu 200 mm olan bir \u00fcr\u00fcn piyasaya s\u00fcr\u00fclm\u00fc\u015ft\u00fcr. Bu boyutlar uyum do\u011frulamas\u0131na yard\u0131mc\u0131 olurken, \u00fcr\u00fcn\u00fcn elektrik alanlar\u0131n\u0131n yine de tam modele uygun hale getirilmesi gerekmektedir.<\/p>\n\n\n\n

2. Birincil Ak\u0131m \u0130htiyac\u0131n\u0131 Belirleyin<\/h2>\n\n\n\n

Bir \u00fcr\u00fcn ailesini de\u011ferlendirmeye ba\u015flamadan \u00f6nce, projeden birincil ak\u0131m gereksinimini belirleyin. Yay\u0131nlanm\u0131\u015f bir ak\u0131m aral\u0131\u011f\u0131, o \u00fcr\u00fcn ailesinin sundu\u011fu \u00f6zellikleri g\u00f6sterir; ancak sistemin hangi modele ihtiya\u00e7 duydu\u011funu belirlemez. DP referanslar\u0131, tedarik\u00e7iler taraf\u0131ndan belirtilen maksimum oran aral\u0131klar\u0131n\u0131 yay\u0131nlar. BH-0.66 60I serisi, 200\/5A ile 1500\/5A aras\u0131nda de\u011fi\u015fir. GTA20L modelleri, 10\u2013100A AC giri\u015fi sunar. Bunlar farkl\u0131 \u00fcr\u00fcn veri yap\u0131lar\u0131d\u0131r ve birbirinin yerine kullan\u0131labilir se\u00e7im kurallar\u0131 olarak de\u011ferlendirilmemelidir.<\/p>\n\n\n\n

3. \u0130kincil \u00c7\u0131k\u0131\u015f\u0131 ve Oran\u0131 Do\u011frulay\u0131n<\/h2>\n\n\n\n

CT oran\u0131, belirli bir transformat\u00f6r modeli i\u00e7in birincil ak\u0131m ile ikincil \u00e7\u0131k\u0131\u015f aras\u0131ndaki ili\u015fkiyi tan\u0131mlar. \u00d6ncelikle birincil gereksinimi belirleyin, ba\u011fl\u0131 \u00f6l\u00e7\u00fcm cihaz\u0131n\u0131n gerektirdi\u011fi ikincil \u00e7\u0131k\u0131\u015f\u0131 tespit edin, yay\u0131nlanm\u0131\u015f mevcut oranlar\u0131 kontrol edin ve ard\u0131ndan ilgili modelin teknik belgelerini teyit edin. Bu s\u0131rayla, tan\u0131d\u0131k bir g\u00f6sterimin t\u00fcm \u00fcr\u00fcn aileleri i\u00e7in ge\u00e7erli oldu\u011fu varsay\u0131m\u0131ndan ka\u00e7\u0131n\u0131l\u0131r.<\/p>\n\n\n\n

BH-0.66 60I, a\u00e7\u0131k \/5A sat\u0131rlar\u0131n\u0131 yay\u0131nlamaktad\u0131r. GTA20L, sekiz modelinde 20mA AC \u00e7\u0131k\u0131\u015f\u0131 ve 500:1 ile 5000:1 aral\u0131\u011f\u0131ndaki e\u015fle\u015ftirilmi\u015f oranlar\u0131 yay\u0131nlamaktad\u0131r. DP Serisi, listelenen her referans i\u00e7in eksiksiz bir \u00e7\u0131k\u0131\u015f yap\u0131land\u0131rmas\u0131 yay\u0131nlamamaktad\u0131r. Dolay\u0131s\u0131yla, bir \/5A referans\u0131 t\u00fcm RITOKS CT'ler i\u00e7in genelle\u015ftirilmemeli ve GTA20L, bir \/5A transformat\u00f6r\u00fcn do\u011frudan ikamesi olarak sunulmamal\u0131d\u0131r.<\/p>\n\n\n\n

4. A\u00e7\u0131kl\u0131k ve Kurulum Alan\u0131n\u0131 Kontrol Edin<\/h2>\n\n\n\n

\u0130letken veya baran\u0131n boyutlar\u0131n\u0131 CT a\u00e7\u0131kl\u0131\u011f\u0131yla kar\u015f\u0131la\u015ft\u0131r\u0131n, ard\u0131ndan mevcut alan, kurulum eri\u015fimi, montaj y\u00f6ntemi ve kablo gereksinimlerini kontrol edin. GTA20L, 8,5 mm a\u00e7\u0131kl\u0131\u011fa ve kompakt g\u00f6vde boyutlar\u0131na sahiptir. Mevcut sayfalarda DP Serisi veya BH-0.66 60I i\u00e7in kar\u015f\u0131la\u015ft\u0131r\u0131labilir a\u00e7\u0131kl\u0131k ve boyut bilgileri yay\u0131nlanmam\u0131\u015ft\u0131r; bu nedenle bu de\u011ferler i\u00e7in kesin modelin teyit edilmesi gerekmektedir. \u00dcr\u00fcn g\u00f6rselleri, boyutlara ili\u015fkin kan\u0131t niteli\u011fi ta\u015f\u0131maz.<\/p>\n\n\n\n

\n
\"BH-0.66
BH-0.66 60I kapal\u0131 \u00e7ekirdekli \u00fcr\u00fcn ailesinin g\u00f6rseli.<\/figcaption><\/figure>\n\n\n
\"GTA20L
GTA20L minyat\u00fcr ak\u0131m transformat\u00f6r\u00fc \u00fcr\u00fcn g\u00f6rseli.<\/figcaption><\/figure>\n<\/figure>\n\n\n\n

5. Do\u011fruluk Gerekliliklerini Do\u011frulama<\/h2>\n\n\n\n

Do\u011fruluk, basit bir kalite s\u0131ralamas\u0131 de\u011fil, tan\u0131mlama ve do\u011frulama i\u00e7in bir gerekliliktir. DP Serisi sayfalar\u0131nda, S\u0131n\u0131f 0,5 yaln\u0131zca a\u00e7\u0131k\u00e7a belirtildi\u011fi durumlarda g\u00f6sterilir. BH-0.66 60I sat\u0131rlar\u0131, yay\u0131nlanm\u0131\u015f S\u0131n\u0131f 1.0, 0.5, 0.5S, 0.2 ve 0.2S'yi i\u00e7erir, ancak bunlar\u0131n kullan\u0131labilirli\u011fi tam olarak hangi sat\u0131r oldu\u011funa ba\u011fl\u0131d\u0131r. GTA20L, ayn\u0131 s\u0131n\u0131f tablosu yerine yay\u0131nlanm\u0131\u015f faz hatas\u0131 ve do\u011frusall\u0131k terminolojisini kullan\u0131r. Hi\u00e7bir s\u0131n\u0131f otomatik olarak se\u00e7ilmemeli veya faturaland\u0131rma, gelir \u00f6l\u00e7\u00fcm\u00fc ya da koruma uygunlu\u011funu belirlemek i\u00e7in kullan\u0131lmamal\u0131d\u0131r.<\/p>\n\n\n\n

6. Yay\u0131nland\u0131\u011f\u0131 Yerde Y\u00fck\u00fc Kontrol Edin<\/h2>\n\n\n\n

Y\u00fck, belirtildi\u011fi yerlerde ba\u011fl\u0131 \u00f6l\u00e7\u00fcm devresiyle kar\u015f\u0131la\u015ft\u0131r\u0131larak kontrol edilmesi gerekebilecek bir CT spesifikasyonudur. BH-0.66 60I, g\u00f6sterilen S\u0131n\u0131f 1.0 ve 0.5\u2019te 200\/5A ve 250\/5A sat\u0131rlar\u0131 i\u00e7in 2,5 VA de\u011ferleri, 300\/5A'dan 600\/5A'ya kadar olan tam yay\u0131nlanm\u0131\u015f sat\u0131rlarda 5VA giri\u015fleri ve 750\/5A'dan 1500\/5A'ya kadar olan tam yay\u0131nlanm\u0131\u015f sat\u0131rlarda 10VA giri\u015fleri yay\u0131nlanmaktad\u0131r. Bu de\u011ferler, kaynak sat\u0131rlar\u0131yla ba\u011flant\u0131l\u0131 kalmal\u0131d\u0131r. DP i\u00e7in y\u00fck de\u011feri yay\u0131nlanmam\u0131\u015ft\u0131r ve BH VA \u00e7er\u00e7eveleme GTA20L\u2019ye aktar\u0131lmamal\u0131d\u0131r.<\/p>\n\n\n\n

7. Frekans ve Yal\u0131t\u0131m Verilerini Do\u011frulay\u0131n<\/h2>\n\n\n\n

\u0130lgili oldu\u011fu durumlarda frekans, yal\u0131t\u0131m ve dayan\u0131m gereksinimleri belirtilmelidir. GTA20L, 50\/60 Hz, 1000 M\u03a9\u2019dan b\u00fcy\u00fck yal\u0131t\u0131m direnci, 0,66\/0,72 kV gerilim s\u0131n\u0131f\u0131 alan\u0131 ve 4 kV \/ 50 Hz \/ 1 dakika dayan\u0131m alan\u0131 de\u011ferlerini belirtir. Bu kesin model alanlar\u0131, mevcut sayfalar\u0131nda tam frekans ve yal\u0131t\u0131m \u00f6zellikleri belirtilmeyen DP veya BH-0.66 60I modelleri i\u00e7in kar\u015f\u0131l\u0131k gelen verileri olu\u015fturmaz.<\/p>\n\n\n\n

Yay\u0131nlanm\u0131\u015f RITOKS Ak\u0131m Trafosu Serileri<\/h2>\n\n\n\n

\u015eu Ak\u0131m Transformat\u00f6rleri kategorisi<\/a> i\u00e7inde yer al\u0131r Elektriksel \u00d6l\u00e7\u00fcm ve \u0130zleme<\/a>. A\u015fa\u011f\u0131daki genel bak\u0131\u015f yaln\u0131zca aile taramas\u0131 i\u00e7indir. Birbirine yak\u0131n ancak e\u015fde\u011fer olmayan \u00f6l\u00e7\u00fcm mimarileri i\u00e7in kar\u015f\u0131la\u015ft\u0131rma yap\u0131n\u0131z Rogowski bobinleri<\/a> \u00f6rne\u011fin ZRC ailesi<\/a>, Salon ak\u0131m sens\u00f6rleri<\/a> \u00f6rne\u011fin HS2V H02 serisi<\/a>, ve DC ak\u0131m d\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fcler<\/a> \u00f6rne\u011fin WBI334U01-S<\/a>; alg\u0131lama prensipleri, \u00e7\u0131k\u0131\u015flar\u0131 ve kurulum gereksinimleri birbirinin yerine kullan\u0131lamaz.<\/p>\n\n\n\n

Yay\u0131nlanan RITOKS Ak\u0131m Transformat\u00f6r\u00fc Ailesi Genel Bak\u0131\u015f<\/h3>\n\n\n\n
\n
Aile<\/th>\u0130n\u015faat<\/th>Yay\u0131nlanm\u0131\u015f birincil \/ oran bilgileri<\/th>Yay\u0131mlanm\u0131\u015f ikincil \u00e7\u0131kt\u0131<\/th>Do\u011fruluk \/ performans alanlar\u0131<\/th>Mekanik veriler<\/th>Do\u011frulanmas\u0131 gereken temel veriler<\/th><\/tr><\/thead>
DP Serisi<\/td>\u00c7ift \u00e7ekirdekli<\/td>Tedarik\u00e7i taraf\u0131ndan belirtilen maksimum oran aral\u0131klar\u0131n\u0131 i\u00e7eren dokuz referans<\/td>Yap\u0131land\u0131rman\u0131n tamam\u0131 yay\u0131nlanmad\u0131<\/td>0,5 S\u0131n\u0131f\u0131 yaln\u0131zca a\u00e7\u0131k\u00e7a belirtildi\u011fi durumlarda ge\u00e7erlidir<\/td>Yay\u0131nlanmad\u0131<\/td>\u00c7\u0131k\u0131\u015f, y\u00fck, frekans, yal\u0131t\u0131m, a\u00e7\u0131kl\u0131k, boyutlar, montaj ve belgeler<\/td><\/tr>\n
BH-0.66 60I<\/td>Kapal\u0131 \u00e7ekirdekli, d\u00fc\u015f\u00fck gerilimli, tek damarl\u0131<\/td>200\/5A\u2019dan 1500\/5A\u2019ya kadar on bir s\u0131ra<\/td>Yay\u0131nlanm\u0131\u015f sat\u0131rlarda 5A<\/td>S\u0131n\u0131f ve 2,5 VA, 5 VA veya 10 VA giri\u015fleri i\u00e7in kesin sat\u0131r e\u015flemeleri<\/td>Yay\u0131nlanmad\u0131<\/td>Boyutlar, frekans, yal\u0131t\u0131m, montaj ve belgeler<\/td><\/tr>\n
GTA20L<\/td>Minyat\u00fcr<\/td>Sekiz model; 10\u2013100 A AC giri\u015fi; 500:1\u20135000:1 e\u015fle\u015ftirilmi\u015f oranlar<\/td>20 mA AC<\/td>Kesin model faz hatas\u0131, do\u011frusall\u0131k, diren\u00e7 ve do\u011frusal aral\u0131k alanlar\u0131<\/td>26 \u00d7 28,4 mm g\u00f6vde, 8,5 mm a\u00e7\u0131kl\u0131k, 200 mm u\u00e7lar<\/td>Tam model, ba\u011fl\u0131 cihazlarla uyumluluk ve gerekli belgeler<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n\n\n

8. Kesin Model Do\u011frulama \u0130\u015f Ak\u0131\u015f\u0131<\/h2>\n\n\n\n
\"Uygulama<\/a>
Model onay\u0131 ve teklif talebi \u00f6ncesinde ak\u0131m transformat\u00f6r\u00fc gereksinimlerini belirlemek ve yap\u0131, birincil ak\u0131m, ikincil \u00e7\u0131k\u0131\u015f, oran, mekanik uyum, do\u011fruluk, y\u00fck ve kesin teknik verileri do\u011frulamak i\u00e7in kavramsal i\u015f ak\u0131\u015f\u0131. Bu, bir ak\u0131m transformat\u00f6r\u00fc boyutland\u0131rma veya hesaplama y\u00f6ntemi de\u011fildir.<\/figcaption><\/figure>\n\n\n\n

9. Ak\u0131m Transformat\u00f6r\u00fc Talebinde Bulunulmas\u0131 Gereken Bilgiler<\/h2>\n\n\n\n