ÇBAG TABANLI RÜZGAR ÇİFTLİĞİNDE TCSC İLE FARKLI YAKLAŞIMLARDA ALT SENKRON REZONANS OLAYLARININ İNCELENMESİ

Yıl 2025, Cilt: 11 Sayı: 1, 73 - 80, 30.06.2025

Mehmet Kenan Döşoğlu , Betül Pekdemir Sarioğlu

https://doi.org/10.22531/muglajsci.1649179

Öz

Çift Beslemeli Asenkron Generatör (ÇBAG) tabanlı rüzgar türbinlerinin şebekeye bağlantısında hattaki seri kompanzasyon oranlarının en uygun şekilde belirlenmesi ile sistemin kararlılığın sağlanması önemli bir konudur. Bu oranlar iyi belirlenmez ise Alt Senkron Rezonans (SSR) isimli elektromekanik salınımların artması durumları meydana gelebilmektedir. Bu gibi problemleri ortadan kaldırmak için bu çalışmada ÇBAG tabanlı rüzgar türbinlerinde Tristör Kontrollü Seri Kompanzatör (TCSC) kullanılarak farklı rüzgar hızları yaklaşımı ile iletim hattındaki farklı seri kompanzasyon oranlarındaki değişimler detaylı olarak incelenmiştir. Bu analizlerde ÇBAG’da farklı rüzgar hızları olarak 9 m/s, 12 m/s ve 15 m/s olarak seçilirken, iletim hattındaki seri kompanzasyon oranları olarak %60, %70 ve % 80 değerleri ele alınmıştır. MATLAB/SIMULINK ortamında gerçekleştirilen bu analizlerde ÇBAG aktif güç, reaktif güç, DC bara gerilimi ve açısal hız değerleri detaylı bir şekilde incelenmiştir. Elde edilen sonuçlar neticesinde ÇBAG’da rüzgar hızının 12m/s rüzgar hızında olduğu durumda ve sistemdeki seri kompanzasyon oranın %60 olduğu durumda sistem kararlılığının sağlandığı ve oluşan salınımların hızlıca sönümlendiği görülmüştür.

Anahtar Kelimeler

ÇBAG Tabanlı Rüzgar Türbini , Senkron Altı Rezonans (SSR) , Farklı Rüzgar Hızları , Farklı Seri Kompanzasyon Oranları , TCSC

INVESTIGATION OF SUB-SYNCHRONOUS RESONANCE PHENOMENA IN DFIG BASED WIND FARM WITH TCSC IN DIFFERENT APPROACHES

Öz

In the connection of Doubly Fed Induction Generator (DFIG) based wind farms to the grid, it is important to ensure the stability of the system by determining the series compensation ratios in the line in the most appropriate way. If these ratios are not determined well, an increase in electromechanical oscillations called Sub-Synchronous Resonance (SSR) may occur. In order to eliminate such problems, in this study, the changes in different series compensation ratios in the transmission line were examined in detail with the approach of different wind speeds using Thyristor Controlled Series Compensator (TCSC) in DFIG based wind farms. In these analyses, while different wind speeds in DFIG were selected as 9 m/s, 12 m/s and 15 m/s, the series compensation ratios in the transmission line were considered as 60%, 70% and 80%. In these analyses performed in MATLAB/SIMULINK environment, DFIG active power, reactive power, DC bus voltage and angular speed values were examined in detail. As a result of the obtained results, it was observed that when the wind speed in DFIG is 12m/s and the series compensation ratio in the system is 60%, system stability is ensured and the oscillations that occur are quickly damped.

Anahtar Kelimeler

DFIG Based Wind Farm , Sub-Synchronous Resonance (SSR) , Different Wind Speeds , Different Series Compensation Ratios , TCSC

Kaynakça

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