Rüzgar Enerji Santrallerinin Elektrik Şebekesine Etkilerinin İncelenmesi

Öz

Rüzgar enerjisinin elektrik üretiminde kullanımının küresel çapta artmasına paralel olarak Türkiye’de de son yıllarda rüzgardan elde edilen elektrik enerjisi oldukça artmıştır. Türkiye’de rüzgar enerjisi santrallerinin elektrik üretimindeki payı (2021 ilk yarısından itibari ile rüzgar gücü 10,585 MW ile) tüm ihtiyacın %9,22’sini karşılar hale gelmiştir. Ülkemizde son dönemde Rüzgar Elektrik Santralleri (RES) lisans başvurularında önemli artışlar yaşanmış olup, bu santrallerin enterkonnekte sisteme bağlantı kriterleri ve sistem işletmeciliği üzerindeki etkileri daha büyük önem kazanmıştır. Rüzgar türbinlerinin zaman içinde ürettiği güç, birincil enerji kaynaklarının öngörülemeyen doğası nedeniyle karakteristik olarak dengesizdir. Bu durum, yalnızca çok sayıda rüzgar türbininin elektrik güç şebekesine entegrasyonundaki sorunları artırarak, katkılarının yönetilmesini oldukça zorlaştırmaktadır. Önceleri dağıtım sistemine bağlanan RES’lerde sadece gerilim kalitesi ilk aranan durumken şimdiki değişen yönetmeliğe göre RES’lerden güç sisteminin dengesi konusunda katkı yapması beklenmektedir. RES’lerin arıza sonrası sisteme katkısı, gerilim, frekans etkileri ve aktif güç kontrolü özellikleri belirlenerek Elektrik Piyasası Şebeke Yönetmeliğinde gerekli düzenlemelere gidilmiştir. Bu makale, rüzgar enerjisinin güç sistemlerine entegrasyonu ile ilgili temel teknik zorlukları ve önerilen çözüm metodolojilerini incelemeyi amaçlamaktadır. Bu zorluklar arasında güç kalitesi sorunları, güç dengesizlikleri (şebeke kararlılığı), reaktif güç desteği, arızadan kurtulma yeteneği gözden geçirilmiştir ve tüm zorluklar tartışılmıştır. Rüzgar enerji santrallerinin artan güçlerle enerji sistemine entegrasyonu Türkiye Elektrik İletim Sistemine etkileri ve bağlanma kriterleri gözden geçirilmiştir. Entegrasyon zorluklarını azaltmak için enerji depolama sistemleri, şebeke kodları ve yenilebilir enerji politikaları önemine değinilmiştir. Böylece, politika yapıcılar ve araştırmacılar bu çalışmayı gelecekteki enerji stratejilerini geliştirmede ve rüzgar enerjisi entegrasyon zorluklarının tam anlamıyla görmelerine yardımcı olacaktır.

Anahtar Kelimeler

• Gerilim Kararlılığı
• Güç Kalitesi
• Reaktif Güç Desteği
• Rüzgar Enerjisi
• Şebeke Entegrasyonu

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