Dağıtık üretim tesisleri içeren adaptif korumadaki şebekelerde yeni bir röle koordinasyonu uygulaması

Yıl 2026, Cilt: 41 Sayı: 1 , 719 - 730 , 31.03.2026

Recep Akkan , Hasan Çimen , İsmail Yabanova , Veli Yenil

https://doi.org/10.17341/gazimmfd.1586823

https://izlik.org/JA69NX48MT

Öz

Elektrik dağıtım hatlarının korunması konusu günümüzde popüler olan akıllı şebekelerde olmazsa olmaz bir durumdur. Elektrik dağıtım hatlarının ise gelecekte yetersiz kalacak olması dağıtım hatlarına Dağıtık Üretimlerin (DÜ) bağlanmasını kaçınılmaz kılmaktadır. Elektrik dağıtım hatlarına gün geçtikçe artan bir şekilde DÜ ünitelerinin bağlanması birçok fayda sağlarken bir o kadar da dağıtım hattını karmaşık bir yapıya büründürmektedir. Bu durum elektrik dağıtım hatlarının korunmasını bir derece daha zorlaştırmaktadır. Rüzgâr enerjisi vb. DÜ tesislerinde enerjinin üretimi atmosfer şartlarına bağımlı olduğundan bu durum şebekede oluşabilecek kısa devre akımlarını doğrudan etkilemektedir. Bu sorunlar belirli bir koordinasyonda çalışan rölelerin yanlış çalışmasına, iki rölenin aynı anda çalışmasına (selektivite sağlanamadığından), gereksiz enerji kesintisi gibi durumlara yol açabilmektedir. Bu sorunların önüne geçmek için ise akıllı şebekelerde çift yönlü adaptif korumaya ve buna uygun şekilde çalışacak algoritmalara ihtiyaç duyulmaktadır. Bu çalışmada bahsedilen korumaya uygun bir algoritma önerilmiştir. Günümüz koşullarına ve orijinaline uygun bir şekilde değiştirilen IEEE 4-baralı test sistemi üzerinde yapılan simülasyon çalışmaları önerilen algoritma ile rölelerin daha doğru bir şekilde çalışmasına olanak sağlamıştır. Böylece önerilen algoritma ile çalışan adaptif korumadaki yedek rölelerin çalışması ile normal adaptif korumadaki yedek rölelerin çalışması karşılaştırılmış ve sonuçlar sunulmuştur.

Anahtar Kelimeler

Adaptif koruma , aşırı akım röle (AAR) koordinasyonu , dağıtık üretim (DÜ) , şebeke koruması , akıllı şebekeler

Kaynakça

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