Dinamik talep cevabı içeren zaman gecikmeli iki bölgeli yük frekans kontrol sistemlerinin kararlılık bölgelerinin hesaplanması

Yıl 2024, Cilt: 39 Sayı: 1, 431 - 442, 21.08.2023

Deniz Katipoğlu Şahin Sönmez , Saffet Ayasun

https://doi.org/10.17341/gazimmfd.951415

Öz

Bu çalışmada, dinamik talep cevabı (DTC) ve haberleşme zaman gecikmesi içeren iki bölgeli yük frekans kontrol (YFK-DTC) sisteminin kararlılık sınır eğrisi yöntemi kullanılarak denetleyici parametre düzleminde kararlılık bölgeleri hesaplanmıştır. DTC kontrol, kontrol edilebilir yük gruplarını frekans kontrol servisine dahil ederek, üretim ve puant yük talebi arasında dengenin daha kısa sürede sağlanması ve yenilenebilir enerji kaynaklarında güç dengesizlikleri problemlerine karşı önemli bir çözüm sunmaktadır. DTC kontrol mekanizmasının yük frekans kontrol sistemlerinde kullanımı, sistemin güvenliği ve güvenilirliğini sağlamasına rağmen, haberleşme ağlarından kaynaklanan zaman gecikmeleri, denetleyici performansını ve sistemin kararlılığını olumsuz etkileyebilmektedir. Dolayısıyla, bu çalışma zaman gecikmesi içeren iki bölgeli YFK-DTC sisteminin kararlılığını garanti edecek tüm oransal-integral (PI) denetleyici kazanç değerlerini elde etmektedir. Bu amaçla, zaman gecikmeli YFK-DTC sisteminin denetleyici parametre düzleminde kararlılık bölgelerini oluşturan kompleks kök sınır (Complex Root Boundary, CRB) eğrisini ve reel kök sınır (Real Root Boundary, RRB) eğrisini bulmak için kararlılık sınır eğrsi yöntemi kullanılmıştır. Elde edilen teorik sonuçların doğruluğu, quasi-polynomial mapping root (QPmR) algoritması ve zaman düzleminde yapılan benzetim çalışmaları ile gösterilmiştir. Sonuçlar, DTC kontrol çevriminin katkısı ile zaman gecikmeli YFK sisteminin kararlılık bölgelerinin ve kararlılık payının arttığını göstermektedir.

Anahtar Kelimeler

Dinamik talep cevabı, yük frekans kontrol sistemi, kararlılık sınır eğrisi yöntemi

Destekleyen Kurum

Türkiye Bilimsel ve Teknolojik Araştırma Kurumu (TUBITAK)

Proje Numarası

118E744

Teşekkür

Bu çalışma, TÜBİTAK tarafından desteklenen 118E744 nolu “Elektrikli Araç Grupları ve Dinamik Talep Cevabı İçeren Yük Frekans Kontrol Sistemlerinin Zaman Gecikmesine Bağlı Kararlılık Analizi ve Gürbüz Denetleyici Tasarımı” isimli araştırma projesi kapsamında gerçekleştirilmiştir. TÜBİTAK’a desteklerinden dolayı teşekkür ederiz.

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