{"id":30914,"date":"2026-07-31T06:16:36","date_gmt":"2026-07-31T06:16:36","guid":{"rendered":"https:\/\/doingcable.com\/?p=30914"},"modified":"2026-07-31T06:16:38","modified_gmt":"2026-07-31T06:16:38","slug":"fiber-optik-toprak-hatti-opgw-nedir","status":"publish","type":"post","link":"https:\/\/doingcable.com\/tr\/fiber-optik-toprak-hatti-opgw-nedir\/","title":{"rendered":"Optik Yer \u0130ndirgeme Teli (OPGW) Nedir?"},"content":{"rendered":"

Optik Yer \u0130rtibat Kablosu (OPGW)<\/a><\/strong>, Optik Fiber Bile\u015fikli Havai Toprak Hatt\u0131 olarak da bilinen, y\u00fcksek gerilim ve \u00e7ok y\u00fcksek gerilim havai iletim hatlar\u0131 i\u00e7in tasarlanm\u0131\u015f \u00e7ift i\u015flevli metalik bir kablodur. Ayn\u0131 anda hem geleneksel bir havai toprak (koruma\/statik) teli hem de y\u00fcksek kapasiteli bir fiber optik ileti\u015fim ortam\u0131 olarak hizmet verir.<\/p>\n\n\n\n

\u0130leti\u015fim kulelerinin tepesine monte edilen OPGW, y\u0131ld\u0131r\u0131m d\u00fc\u015fmelerini engeller, ar\u0131za ak\u0131mlar\u0131n\u0131 g\u00fcvenli bir \u015fekilde topra\u011fa iletir ve ger\u00e7ek zamanl\u0131 \u015febeke korumas\u0131, SCADA, telekoruma ve elektrik kurumu veya \u00fc\u00e7\u00fcnc\u00fc taraf veri iletimi i\u00e7in g\u00fcvenli, elektromanyetik giri\u015fimden (EMI) etkilenmeyen optik bir yol sa\u011flar.<\/p>\n\n\n\n

Geleneksel ACSR koruma tellerinin veya ayr\u0131 fiber \u00e7\u00f6z\u00fcmlerin aksine OPGW, her iki i\u015flevi de tek bir sa\u011flam iletkende birle\u015ftirerek ge\u00e7i\u015f hakk\u0131 gereksinimlerini, kurulum maliyetlerini ve uzun vadeli bak\u0131m\u0131 azalt\u0131rken onlarca y\u0131ll\u0131k g\u00fcvenilir hizmet sunar.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

OPGW Kablosunun Yap\u0131s\u0131 ve \u0130\u015fi<\/h3>\n\n\n\n

OPGW, d\u0131\u015f g\u00f6r\u00fcn\u00fcm\u00fc itibar\u0131yla ACSR koruma teline \u00e7ok benzeyen, tamamen metal z\u0131rhl\u0131 bir kablodur. \u00c7ekirdek mimarisi \u00fc\u00e7 temel i\u015flevsel katmandan olu\u015fur:<\/p>\n\n\n\n

    \n
  1. Optik \u00dcnite (\u00c7ekirdek)<\/strong> Optik fiberler (tipik olarak tek modlu G.652.D veya G.657), hermetik olarak s\u0131zd\u0131rmaz hale getirilmi\u015f bir veya daha fazla paslanmaz \u00e7elik t\u00fcp, al\u00fcminyum t\u00fcp veya al\u00fcminyum kapl\u0131 paslanmaz \u00e7elik t\u00fcp i\u00e7erisine yerle\u015ftirilir. T\u00fcpler; fiberleri yast\u0131klamak, nem giri\u015fini \u00f6nlemek ve mekanik gerilmeyi azaltmak amac\u0131yla su tutucu jel ile doldurulmu\u015ftur. Kablo \u00fczerindeki \u00e7ekme y\u00fcklerinin cama gerilim uygulamamas\u0131 i\u00e7in ekstra fiber uzunlu\u011fu sa\u011flanm\u0131\u015ft\u0131r.<\/li>\n\n\n\n
  2. Koruyucu Metal Boru \/ Is\u0131 Bariyeri<\/strong> Lazer kaynakl\u0131 veya diki\u015fsiz metal boru, mekanik bir kalkan ve termal bariyer g\u00f6revi g\u00f6r\u00fcr. Bir y\u0131ld\u0131r\u0131m d\u00fc\u015fmesi veya k\u0131sa devre olay\u0131nda, \u0131s\u0131 liflere ula\u015fmadan b\u00fcy\u00fck \u00f6l\u00e7\u00fcde d\u0131\u015f z\u0131rh taraf\u0131ndan emilir.<\/li>\n\n\n\n
  3. D\u0131\u015f Z\u0131rh Katmanlar\u0131<\/strong> Optik \u00fcnitenin etraf\u0131na bir veya daha fazla e\u015f merkezli al\u00fcminyum kapl\u0131 \u00e7elik (ACS) tel ve\/veya al\u00fcminyum ala\u015f\u0131ml\u0131 (AA) tel katman\u0131 b\u00fck\u00fclm\u00fc\u015ft\u00fcr. ACS teller uzun a\u00e7\u0131kl\u0131klar ile buz\/r\u00fczg\u00e2r y\u00fck\u00fc i\u00e7in y\u00fcksek \u00e7ekme dayan\u0131m\u0131 sa\u011flar; al\u00fcminyum ala\u015f\u0131ml\u0131 teller ise ar\u0131za ak\u0131m\u0131 ve y\u0131ld\u0131r\u0131m performans\u0131n\u0131n gerektirdi\u011fi elektriksel iletkenli\u011fin b\u00fcy\u00fck k\u0131sm\u0131n\u0131 sa\u011flar.<\/li>\n<\/ol>\n\n\n\n

    Fiber say\u0131lar\u0131 genellikle 12 ila 144 aras\u0131nda de\u011fi\u015fir (\u00e7oklu t\u00fcp tasar\u0131mlar\u0131nda 216\u2013432'ye kadar daha y\u00fcksek say\u0131lar mevcuttur). Toplam \u00e7ap, a\u011f\u0131rl\u0131k ve elektriksel\/mekanik parametreler, kule y\u00fcklemesinin tasar\u0131m s\u0131n\u0131rlar\u0131 i\u00e7inde kalmas\u0131n\u0131 sa\u011flamak amac\u0131yla mevcut koruma teliyle e\u015fle\u015fecek veya buna \u00e7ok yak\u0131n olacak \u015fekilde tasarlanm\u0131\u015ft\u0131r.<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n
    \"\"<\/figure>\n\n\n\n

    \u0130letim Sistemlerinde OPGW Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h3>\n\n\n\n

    Kuleye en y\u00fcksek noktada monte edildi\u011finde:<\/p>\n\n\n\n

      \n
    • \u0130letken d\u0131\u015f z\u0131rh, do\u011frudan y\u0131ld\u0131r\u0131m d\u00fc\u015fmelerini engeller ve enerjiyi kule yap\u0131s\u0131 arac\u0131l\u0131\u011f\u0131yla g\u00fcvenli bir \u015fekilde topra\u011fa y\u00f6nlendirir.<\/li>\n\n\n\n
    • Faz-toprak veya faz-faz ar\u0131zalar\u0131 s\u0131ras\u0131nda OPGW, k\u0131sa devre kapasitesi (I\u00b2t de\u011feri) do\u011fru bir \u015fekilde belirlenmi\u015f olmas\u0131 ko\u015fuluyla, i\u00e7 fiberlere zarar vermeden k\u0131sa devre ak\u0131m\u0131n\u0131 ta\u015f\u0131r.<\/li>\n\n\n\n
    • Optik sinyaller korumal\u0131 fiberler \u00fczerinden iletilir; elektromanyetik giri\u015fimden, enerji nakil hatt\u0131 end\u00fcksiyonundan ve yans\u0131ma giri\u015fiminden (crosstalk) tamamen muaft\u0131r. Tipik zay\u0131flama 1550 nm'de \u22640.22 dB\/km olup, uzun mesafeli, y\u00fcksek bant geni\u015fli\u011fine sahip iletime olanak tan\u0131r.<\/li>\n<\/ul>\n\n\n\n

      Bu ikili performans, OPGW'nin yeni y\u00fcksek gerilim hatlar\u0131 ve mevcut koruma tellerinin yenilenmesi i\u00e7in tercih edilen \u00e7\u00f6z\u00fcm olmas\u0131n\u0131n nedenidir.<\/p>\n\n\n\n

      OPGW Yap\u0131m\u0131n\u0131n Ana T\u00fcrleri<\/h3>\n\n\n\n
      Tasar\u0131m T\u00fcr\u00fc<\/th>Optik \u00dcnite Yap\u0131land\u0131rmas\u0131<\/th>Tipik Fiber Say\u0131s\u0131<\/th>Ba\u015fl\u0131ca Avantajlar<\/th>Tercih Edilen Uygulamalar<\/th><\/tr><\/thead>
      Merkezi T\u00fcp Yap\u0131l\u0131 Kablo<\/td>Merkezde tek paslanmaz \u00e7elik veya Al\u00fcminyum kapl\u0131 t\u00fcp<\/td>48-72 saate kadar<\/td>Kompakt \u00e7ap, m\u00fckemmel ezilme direnci, kolay ekleme<\/td>Orta gerilim hatlar\u0131, renovasyon projeleri<\/td><\/tr>
      Mahsur \/ Katman-Mahsur<\/td>ACS\/AA telleriyle b\u00fck\u00fclm\u00fc\u015f \u00e7oklu paslanmaz \u00e7elik borular<\/td>72\u2013144+<\/td>Daha y\u00fcksek fiber kapasitesi, \u00fcst\u00fcn mekanik dayan\u0131m<\/td>Yeni 220\u2013500 kV+ hatlar\u0131, y\u00fcksek y\u0131ld\u0131r\u0131m d\u00fc\u015fme alanlar\u0131<\/td><\/tr>
      Al\u00fcminyum Ekstr\u00fczyon \/ AlumaCore<\/td>Kal\u0131n al\u00fcminyum boru i\u00e7indeki tampon t\u00fcpler i\u00e7indeki fiberler<\/td>Y\u00fcksek say\u0131lar<\/td>\u00dcst\u00fcn iletkenlik ve k\u0131sa devre kapasitesi<\/td>Y\u00fcksek ar\u0131za ak\u0131m\u0131 koridorlar\u0131<\/td><\/tr>
      Spiral-Uzay \/ Slot Tipi<\/td>Spiral kanallarda veya yivli \u00f6zde fiberler<\/td>De\u011fi\u015fken<\/td>D\u00fc\u015f\u00fck fiber gerilimi, iyi b\u00fck\u00fclme performans\u0131<\/td>\u00d6zel geni\u015f a\u00e7\u0131kl\u0131kl\u0131 veya zorlu ortamlar<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      \u00dcreticiler, gerekli nihai \u00e7ekme dayan\u0131m\u0131 (UTS), k\u0131sa devre ak\u0131m de\u011feri (kA) ve y\u0131ld\u0131r\u0131m dayan\u0131m\u0131na (kulon) g\u00f6re ACS ve AA tellerinin tam kombinasyonunu se\u00e7erler.<\/p>\n\n\n\n

      \"\"<\/figure>\n\n\n\n

      Temel Teknik Standartlar ve Performans Kriterleri<\/h3>\n\n\n\n

      OPGW, \u00f6ncelikle uluslararas\u0131 kabul g\u00f6rm\u00fc\u015f standartlara uygun olmal\u0131d\u0131r:<\/p>\n\n\n\n