{"id":1798,"date":"2026-09-27T06:40:35","date_gmt":"2026-09-27T06:40:35","guid":{"rendered":"https:\/\/ritoks.com\/?p=1798"},"modified":"2026-10-04T06:58:10","modified_gmt":"2026-10-04T06:58:10","slug":"dc-mcbs-battery-circuits-selection-inputs","status":"publish","type":"post","link":"https:\/\/ritoks.com\/tr\/dc-mcbs-battery-circuits-selection-inputs\/","title":{"rendered":"Ak\u00fc Devrelerinde DC MCB\u2019ler: Se\u00e7im Kriterleri ve Kan\u0131t S\u0131n\u0131rlar\u0131"},"content":{"rendered":"

Bir ak\u00fc devresindeki DC minyat\u00fcr devre kesici, yaln\u0131zca ak\u0131m de\u011ferine g\u00f6re se\u00e7ilemez. Tasar\u0131mc\u0131n\u0131n, ger\u00e7ek ak\u00fc gerilim aral\u0131\u011f\u0131, ar\u0131za ak\u0131m\u0131 \u00e7al\u0131\u015fmas\u0131, kaynak y\u00f6n\u00fc, iletken d\u00fczeni ve ama\u00e7lanan koruma i\u015flevi bilgilerine ihtiyac\u0131 vard\u0131r. \u201cAk\u00fcye uygun\u201d gibi bir etiket, belirli bir kutuplu konfig\u00fcrasyonun bu konumdaki ar\u0131zay\u0131 kesebilece\u011fini garanti etmez.<\/p>\n\n\n

Bu k\u0131lavuz, m\u00fchendisler ve al\u0131c\u0131lar i\u00e7in bir girdi ve kan\u0131t kontrol listesidir. Koruma cihaz\u0131 ayarlar\u0131 sunmaz ve sistem koruma \u00e7al\u0131\u015fmas\u0131n\u0131n yerini almaz. \u0130nceleme s\u00fcresince tek hat \u015femas\u0131n\u0131 ve ilgili \u00fcr\u00fcn\u00fcn teknik \u00f6zellik belgesini yan yana bulundurun.<\/p>\n\n

Devre kesiciye isim vermeden \u00f6nce ak\u00fc devresini belirleyin<\/h2>\n\n

\u00d6nerilen cihaz\u0131n bir ak\u00fc dizisinde, birle\u015fik ak\u00fc \u00e7\u0131k\u0131\u015f\u0131nda, DC da\u011f\u0131t\u0131m dal\u0131nda, d\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fc ba\u011flant\u0131s\u0131nda m\u0131 yoksa yard\u0131mc\u0131 devrede mi yer ald\u0131\u011f\u0131n\u0131 belirtin. Bu konumlar, farkl\u0131 normal ak\u0131mlara ve farkl\u0131 olas\u0131 ar\u0131za ak\u0131m\u0131 kaynaklar\u0131na sahip olabilir. Bir taraf\u0131nda ak\u00fc, di\u011fer taraf\u0131nda g\u00fc\u00e7 elektroni\u011fi bulunan bir dal, genel bir kaynak-y\u00fck \u015femas\u0131na indirgenmemelidir.<\/p>\n\n\n

\u00c7al\u0131\u015fma durumlar\u0131n\u0131 kaydedin: \u015farj, de\u015farj, bak\u0131m izolasyonu, paralel diziler ve herhangi bir baypas veya alternatif besleme. Her durumu \u00e7izim \u00fczerinde i\u015faretleyin. Bu al\u0131\u015ft\u0131rma, ak\u0131m\u0131n her iki y\u00f6nde de ak\u0131p akmad\u0131\u011f\u0131n\u0131 ve belirli bir kaynak terminali i\u00e7in i\u015faretlenmi\u015f bir kesicinin \u00f6nerildi\u011fi gibi kurulup kurulamayaca\u011f\u0131n\u0131 ortaya \u00e7\u0131karmaya yard\u0131mc\u0131 olur. \u015earj ak\u0131m\u0131 ile k\u0131sa devre ak\u0131m\u0131n\u0131n ayn\u0131 yolu izledi\u011fini varsaymay\u0131n.<\/p>\n\n\n

Cihaz\u0131n amac\u0131n\u0131 kesin bir \u015fekilde a\u00e7\u0131klay\u0131n. A\u015f\u0131r\u0131 ak\u0131m korumas\u0131, anahtarlama, izolasyon ve acil durum kesme, birbirinin yerine kullan\u0131labilecek \u00f6zellikler de\u011fildir. Birden fazla i\u015flev gerekliyse, proje \u015fartnamesinde her bir i\u015flev ve bu i\u015flevler i\u00e7in beklenen kan\u0131tlar belirtilmelidir. DC minyat\u00fcr devre kesici kategorisi<\/a> bir ticari grubu tan\u0131mlar; ancak bir koruma plan\u0131 belirlemez.<\/p>\n\n

Sadece nominal gerilimi de\u011fil, gerilim aral\u0131\u011f\u0131n\u0131 da \u00f6l\u00e7\u00fcn<\/h2>\n\n

Ak\u00fc terminal gerilimi, \u015farj durumu, \u00e7al\u0131\u015fma modu ve s\u0131cakl\u0131\u011fa g\u00f6re de\u011fi\u015fir. Sistem m\u00fchendisi, bu kesici konumuyla ilgili maksimum ve minimum gerilimleri belirtmeli ve cihaz\u0131n dayanmas\u0131 beklenen ge\u00e7ici durumlar\u0131 veya \u015farj ko\u015fullar\u0131n\u0131 tan\u0131mlamal\u0131d\u0131r. Aday\u0131n DC nominal de\u011feri, tam kutup ve kablolama konfig\u00fcrasyonu dikkate al\u0131narak ilgili devrenin maksimum gerilimi ile kar\u015f\u0131la\u015ft\u0131r\u0131larak kontrol edilmelidir.<\/p>\n\n\n

A catalogue headline may list several voltages for different numbers of poles or connection arrangements. Do not carry the highest figure across to a different wiring arrangement. Ask for the manufacturer’s diagram showing the proposed series-pole connection, if applicable, and match that diagram to the panel drawing. An AC voltage rating is not evidence of DC interruption performance.<\/p>\n\n\n

Ayr\u0131ca, ak\u00fc sisteminin topraklama ve iletken \u015femas\u0131n\u0131 da belgelendirin. Bir tasar\u0131mc\u0131, hangi iletkenlerin korundu\u011funu ve devre d\u0131\u015f\u0131 b\u0131rak\u0131ld\u0131\u011f\u0131n\u0131, i\u015flemden sonra hangilerinin gerilim alt\u0131nda kald\u0131\u011f\u0131n\u0131 ve bir topraklama hatas\u0131 senaryosunun ak\u0131m yolunu de\u011fi\u015ftirip de\u011fi\u015ftirmedi\u011fini bilmelidir. Bunlar sistemle ilgili sorulard\u0131r; bir kesici tedarik\u00e7isinin nominal gerilim de\u011ferinden \u00e7\u0131karabilece\u011fi ayr\u0131nt\u0131lar de\u011fildir.<\/p>\n\n

\"Gerilim,
Bir DC MCB\u2019yi test etmeden \u00f6nce belirlenmesi gereken ak\u00fc devresi giri\u015fleri.<\/figcaption><\/figure>\n

Ger\u00e7ek konumda olas\u0131 ar\u0131za ak\u0131m\u0131n\u0131 belirleyin<\/h2>\n\n

\u0130lgili \u00e7al\u0131\u015fma durumlar\u0131 i\u00e7in kesici terminallerinde meydana gelebilecek olas\u0131 k\u0131sa devre ak\u0131m\u0131n\u0131 belirtiniz. \u00c7al\u0131\u015fmada, ak\u00fc grubu, ba\u011flant\u0131 \u015femalar\u0131, paralel devreler, d\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fcler ve ar\u0131za durumunda etkiye neden olabilecek di\u011fer kaynaklar dikkate al\u0131nmal\u0131d\u0131r. Konuma \u00f6zg\u00fc bir ar\u0131za sonucunun yerine h\u00fccre teknik \u00f6zellik belgesi numaras\u0131, \u015farj cihaz\u0131 nominal de\u011feri veya genel ak\u00fc kapasitesi de\u011ferleri kullan\u0131lmamal\u0131d\u0131r.<\/p>\n\n\n

Hesaplanan kesme kapasitesini, ilgili gerilim ve kutuplama d\u00fczeninde modelin yay\u0131nlanm\u0131\u015f DC kesme verileriyle kar\u015f\u0131la\u015ft\u0131r\u0131n. \u00dcreticinin kesme kapasitesi g\u00f6sterimiyle neyi kastetti\u011fini ve buna ili\u015fkin test veya uygulama ko\u015fullar\u0131n\u0131 netle\u015ftirin. Yeterli s\u00fcrekli ak\u0131ma sahip bir aday bile, belgelenmi\u015f kesme kapasitesi mevcut ar\u0131za ak\u0131m\u0131n\u0131 kar\u015f\u0131lam\u0131yorsa yine de uygun olmayabilir.<\/p>\n\n\n

If the study is incomplete, mark the breaker choice provisional rather than backfilling a plausible fault value. This is especially important where battery strings are paralleled or the converter can contribute to a fault. Procurement can request a candidate range, but approval belongs after the electrical study and manufacturer’s evidence agree.<\/p>\n\n

\u00c7al\u0131\u015fma ak\u0131m\u0131n\u0131 koruma koordinasyonundan ay\u0131rma<\/h2>\n\n

List continuous current, expected charge and discharge peaks, startup behavior and the duration of any normal transient. Then identify the conductors and equipment the breaker is intended to protect. The nominal breaker current must be evaluated with the manufacturer’s derating and ambient assumptions; it should not be chosen simply as the next catalogue value above a single load figure.<\/p>\n\n\n

Koruma m\u00fchendisi, iletkenlere ili\u015fkin zaman-ak\u0131m davran\u0131\u015f\u0131n\u0131, devreye dahil olan ve devre d\u0131\u015f\u0131 kalan koruma cihazlar\u0131n\u0131, pil y\u00f6netim i\u015flevlerini ve d\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fc kontrollerini g\u00f6zden ge\u00e7irmelidir. Bir kesicinin manyetik ve termal davran\u0131\u015f\u0131, g\u00f6vde geni\u015fli\u011finden \u00e7\u0131kar\u0131lmamal\u0131d\u0131r. Ayr\u0131ca, bir pil y\u00f6netim sisteminin varl\u0131\u011f\u0131, kesiciye atanan fiziksel kesme i\u015flevinin do\u011frulanmas\u0131 gereklili\u011fini ortadan kald\u0131rmaz.<\/p>\n\n\n

Hangi \u00e7al\u0131\u015fma durumlar\u0131n\u0131n koordineli kalmas\u0131 gerekti\u011fini ve hangi ar\u0131za durumlar\u0131n\u0131n belirli bir cihaz\u0131n a\u00e7\u0131lmas\u0131na neden olmas\u0131 gerekti\u011fini sorun. Se\u00e7ici \u00e7al\u0131\u015fma \u00f6nemliyse, ilgili \u00fcretici e\u011frilerini ve \u00e7al\u0131\u015fma sonu\u00e7lar\u0131n\u0131 talep edin. Uyumlu zaman-ak\u0131m kan\u0131tlar\u0131 olmadan iki ak\u0131m de\u011ferine dayal\u0131 se\u00e7icilik vaadinde bulunmaktan ka\u00e7\u0131n\u0131n.<\/p>\n\n

Kutuplar\u0131, kaynak y\u00f6n\u00fcn\u00fc ve terminal kurallar\u0131n\u0131 kontrol edin<\/h2>\n\n

DC kesintisi, dahili ark kontrol tasar\u0131m\u0131na ve kutuplar\u0131n ba\u011flanma \u015fekline ba\u011fl\u0131 olabilir. Cihaz\u0131n hat\/y\u00fck, polarite ve seri kutuplara ili\u015fkin talimatlar\u0131n\u0131 dikkatlice okuyun. \u00c7ift y\u00f6nl\u00fc normal \u00e7al\u0131\u015fma ak\u0131m\u0131, y\u00f6ne duyarl\u0131 bir kesicinin belirtilen her gerilimde her iki taraftan gelen ar\u0131zalar\u0131 kesece\u011fini garanti etmez. Tersine, \u201cpolarize olmayan\u201d bir tan\u0131mlama bile, kapsam\u0131n\u0131n kesin model do\u011frulamas\u0131n\u0131 gerektirir.<\/p>\n\n\n

Place the manufacturer’s terminal drawing next to the system single-line. Mark all sources that may feed a fault, including connected power electronics if applicable. If any possible fault direction conflicts with a permitted connection, stop the selection and request an alternative or formal engineering review. Field-reversing an unverified connection is not an acceptable shortcut.<\/p>\n\n\n

Terminal y\u00f6n\u00fc ile ilgili iddialar\u0131 daha ayr\u0131nt\u0131l\u0131 bir \u015fekilde kar\u015f\u0131la\u015ft\u0131rmak i\u00e7in, malzeme listesini haz\u0131rlamadan \u00f6nce onaylanm\u0131\u015f polarite k\u0131lavuzunu kullan\u0131n. Bir \u00fcr\u00fcn\u00fcn \u00fcr\u00fcn sayfalar\u0131 i\u00e7in iki kutuplu DC MCB serisi<\/a> ve bir y\u00fcksek ak\u0131ml\u0131 DC MCB serisi<\/a> bunlar, bir ara\u015ft\u0131rman\u0131n yararl\u0131 ba\u015flang\u0131\u00e7 noktalar\u0131d\u0131r; ancak bu, her iki ailenin de bu gruba ait oldu\u011funun kan\u0131t\u0131 de\u011fildir.<\/p>\n\n

Muhafaza ve kurulum ko\u015fullar\u0131n\u0131 g\u00f6zden ge\u00e7irin<\/h2>\n\n

Ortam s\u0131cakl\u0131\u011f\u0131n\u0131, beklenen muhafaza s\u0131cakl\u0131\u011f\u0131n\u0131, montaj y\u00f6n\u00fcn\u00fc, havaland\u0131rmay\u0131, gerekirse rak\u0131m\u0131 ve mevcut panel alan\u0131n\u0131 kaydedin. \u0130letken boyutu, terminaller, s\u0131kma prosed\u00fcr\u00fc, aral\u0131klar ve biti\u015fik cihazlara ili\u015fkin g\u00fc\u00e7 d\u00fc\u015f\u00fcrme de\u011ferleri konusunda \u00fcr\u00fcn\u00fcn kurulum talimatlar\u0131n\u0131 edinin. Termal performans, fiili montaj d\u00fczenine ba\u011fl\u0131d\u0131r; katalogdaki ak\u0131m de\u011feri tek ba\u015f\u0131na her t\u00fcrl\u00fc muhafaza d\u00fczenlemesini kapsamaz.<\/p>\n\n\n

Cihaz\u0131n manuel olarak m\u0131, uzaktan m\u0131 yoksa yaln\u0131zca otomatik bir koruma bile\u015feni olarak m\u0131 \u00e7al\u0131\u015ft\u0131r\u0131laca\u011f\u0131n\u0131 kontrol edin. Kilitlenebilir bir izolasyon noktas\u0131 gerekiyorsa, s\u00f6z konusu cihaz\u0131n \u00f6nerilen konfig\u00fcrasyonda bu i\u015flev i\u00e7in onayl\u0131 olup olmad\u0131\u011f\u0131n\u0131 do\u011frulay\u0131n. S\u0131rf kolunda \u201cKAPALI\u201d konumu var diye, k\u00fc\u00e7\u00fck bir kesiciyi tam bir ak\u00fc devre d\u0131\u015f\u0131 b\u0131rakma cihaz\u0131 olarak g\u00f6stermeyin.<\/p>\n\n

Kan\u0131tlara dayal\u0131 bir kar\u015f\u0131la\u015ft\u0131rma tablosu haz\u0131rlay\u0131n<\/h2>\n
Karar alan\u0131<\/th>Proje girdisi<\/th>Kesin model kan\u0131t\u0131<\/th><\/tr><\/thead>
DC gerilimi<\/td>\u0130lgili devrenin maksimum gerilimi<\/td>\u00d6nerilen direkler ve kablolama i\u00e7in nominal de\u011ferler<\/td><\/tr>
Ar\u0131za g\u00f6rev s\u00fcresi<\/td>Kurulum noktas\u0131ndaki potansiyel ak\u0131m<\/td>DC kesinti verileri ve ko\u015fullar\u0131<\/td><\/tr>
Mevcut<\/td>S\u00fcrekli ve ge\u00e7ici \u00e7al\u0131\u015fma profili<\/td>Ocak g\u00fcc\u00fc ayarlama ve azaltma talimatlar\u0131<\/td><\/tr>
Y\u00f6n<\/td>\u015earj, de\u015farj ve ar\u0131za ak\u0131m yollar\u0131<\/td>Kutupluluk ve terminal talimatlar\u0131<\/td><\/tr>
Kurulum<\/td>Muhafaza ve iletken d\u00fczeni<\/td>Montaj ve terminal belgeleri<\/td><\/tr><\/tbody><\/table><\/figure>\n\n

Kar\u015f\u0131la\u015ft\u0131rmay\u0131 tam olarak sipari\u015f kodu d\u00fczeyinde tutun. Bir tedarik\u00e7i, modele \u00f6zg\u00fc bir teknik \u00f6zellik sayfas\u0131 yerine bir \u00fcr\u00fcn grubu katalo\u011fu g\u00f6nderirse, \u00e7\u00f6z\u00fclmemi\u015f alanlar\u0131 listeleyin. Belgelenmi\u015f bir \u201cbilinmiyor\u201d ifadesi, tahminsel bir \u201cUygun\u201d notundan daha yararl\u0131d\u0131r; \u00e7\u00fcnk\u00fc m\u00fchendislik ve tedarik ekiplerine bir sonraki ad\u0131mda ne talep etmeleri gerekti\u011fini belirtir.<\/p>\n\n

\"Pil
Her bir pil devresi gereklili\u011fini, modele \u00f6zg\u00fc kan\u0131tlarla e\u015fle\u015ftirin.<\/figcaption><\/figure>\n

Teklif Talebinde (RFQ) Neler G\u00f6nderilmelidir?<\/h2>\n\n

Uygulama yerini, sistem tek sat\u0131r \u015femas\u0131n\u0131, ak\u00fc gerilim aral\u0131\u011f\u0131n\u0131, s\u00fcrekli ak\u0131m ve ge\u00e7ici ak\u0131m profilini, olas\u0131 ar\u0131za ak\u0131m\u0131n\u0131, beklenen ak\u0131m y\u00f6nlerini, topraklama \u015femas\u0131n\u0131, direk ve iletken gereksinimlerini, muhafaza ko\u015fullar\u0131n\u0131 ve istenen koruma veya izolasyon i\u015flevini g\u00f6nderin. \u0130stenen belgeleri ekleyin: ayr\u0131nt\u0131l\u0131 teknik veri sayfas\u0131, DC kesme verileri, ba\u011flant\u0131 \u015femas\u0131, kurulum talimatlar\u0131 ve sipari\u015f kodu onay\u0131.<\/p>\n\n\n

Hangi girdilerin do\u011frulanm\u0131\u015f, hangilerinin ise hen\u00fcz ge\u00e7ici oldu\u011funu belirtin. Bu ayr\u0131m, bir teklifin tamamlanm\u0131\u015f bir m\u00fchendislik onay\u0131yla kar\u0131\u015ft\u0131r\u0131lmas\u0131n\u0131 \u00f6nler. Tedarik\u00e7i alternatif bir model veya direk say\u0131s\u0131 \u00f6nerirse, ayn\u0131 proje girdilerine g\u00f6re g\u00fcncellenmi\u015f bir kar\u015f\u0131la\u015ft\u0131rma isteyin. Bir \u00fcr\u00fcn ikamesi, yeniden incelenmeden orijinal cihaz\u0131n onay\u0131n\u0131 devralmamal\u0131d\u0131r.<\/p>\n\n\n

\u015eunu kullan\u0131n: RITOKS ba\u015fvuru s\u00fcreci<\/a> belgelenmi\u015f gereksinimi payla\u015fmak ve ayn\u0131 zamanda proje koruma \u00e7al\u0131\u015fmas\u0131 ile nihai tasar\u0131m onay\u0131 konusundaki sorumlulu\u011fu \u00fcstlenmek. Net bir teklif talebi (RFQ), tedarik\u00e7inin \u201cak\u00fc kesici\u201d gibi genel bir ifadeye dayanarak tahminde bulunmak yerine, belirli uyumluluk sorular\u0131n\u0131 yan\u0131tlamas\u0131na olanak tan\u0131r.\u201d<\/p>\n\n

M\u00fchendislerin s\u00fcr\u00fcm yay\u0131nlanmadan \u00f6nce halletmesi gereken sorular<\/h2>\n

DC MCB, ak\u00fc kapasitesine g\u00f6re se\u00e7ilebilir mi?<\/h3>\n\n

Hay\u0131r. Kapasite, devrenin maksimum gerilimini, kesicideki ar\u0131za ak\u0131m\u0131n\u0131, \u00e7al\u0131\u015fma ak\u0131m\u0131 profilini veya ba\u011flant\u0131 kurallar\u0131n\u0131 ifade etmez. Aday belgeleri incelemeden \u00f6nce projeye \u00f6zg\u00fc bu bilgileri sa\u011flay\u0131n.<\/p>\n\n

\u0130ki y\u00f6nl\u00fc \u015farj i\u00e7in kutupsuz bir \u015falter gerekli midir?<\/h3>\n\n

Bu, s\u00f6z konusu cihaz\u0131n bulundu\u011fu konumdaki ak\u0131m ve ar\u0131za y\u00f6n\u00fcn\u00fcn incelenmesini gerektirir. Uygun kesici ve kablolama, her ilgili durumda belgelenmi\u015f davran\u0131\u015fa ba\u011fl\u0131d\u0131r. Genel bir polarite etiketini eksiksiz bir cevap olarak kabul etmeyin.<\/p>\n\n

De\u011ferler e\u015fle\u015fti\u011finde, teklif verilen cihaz onaylanm\u0131\u015f olur mu?<\/h3>\n\n

Hay\u0131r. Kesme kapasitesini, \u00f6nerilen kutuplardaki gerilimi, terminal y\u00f6n\u00fcn\u00fc, kurulum ko\u015fullar\u0131n\u0131 ve koordinasyonu do\u011frulay\u0131n. Onay belgesinde, m\u00fchendis taraf\u0131ndan incelenen kesin model ve \u00e7izim revizyon numaras\u0131 belirtilmelidir.<\/p>\n\n

Sonu\u00e7 olarak<\/h2>\n\n

Pil devresinden ve bu devredeki ar\u0131za analizinden ba\u015flay\u0131n; ard\u0131ndan tam model belgelerini kar\u015f\u0131la\u015ft\u0131r\u0131n. En sa\u011flam inceleme, hem ama\u00e7lanan koruma i\u015flevini hem de \u00f6nerilen DC MCB\u2019nin \u00e7al\u0131\u015fmas\u0131 gereken ko\u015fullar\u0131 a\u00e7\u0131k\u00e7a belirtir. \u00dcr\u00fcn ailesi sayfas\u0131n\u0131 bir g\u00fcvenlik iddias\u0131na d\u00f6n\u00fc\u015ft\u00fcrmek yerine, hen\u00fcz netle\u015fmemi\u015f de\u011ferleri m\u00fchendislik incelemesi i\u00e7in a\u00e7\u0131k b\u0131rak\u0131n.<\/p>\n\n

Kaynak\u00e7a<\/h2>\n