Sliding Mode Control Based Supercapacitor Modeling for Dynamic Stability in DFIG Based Wind Turbines

Year 2022, Volume: 10 Issue: 3, 1118 - 1135, 31.07.2022

Mehmet Kenan Döşoğlu , Uğur Güvenç , Enes Kaymaz

https://doi.org/10.29130/dubited.1020670

Abstract

The supercapacitor is among the elements commonly used to store energy as an important component in sustainable energy systems. In doubly fed induction generators (DFIGs), the supercapacitor is used to compensate voltage dips and damping oscillations. In this study, a different supercapacitor model was developed for system stability in a DFIG-based wind turbine connected to an infinite bus. In the development of the mathematical supercapacitor model, the lookup table was realized with the voltage-capacity relationship and sliding mode control. DFIG modeling with/without the developed supercapacitor was performed for symmetrical and asymmetrical fault situations, and the findings were then compared and interpreted in detail. The simulation study analysis was conducted in a MATLAB/SIMULINK environment. The developed supercapacitor model yielded impressive results in symmetrical and asymmetrical faults.

Keywords

DFIG, supercapacitor modeling, lookup table, sliding mode control.

Thanks

The authors declare that they have no conflict of interest.

ÇBAG Tabanlı Rüzgar Türbinlerinde Dinamik Kararlılık için Kayan Kipli Kontrol Tabanlı Süperkapasitör Modellemesi

Abstract

Süperkapasitör, sürdürülebilir enerji sistemlerinde önemli bir bileşen olarak enerjiyi depolamak için yaygın olarak kullanılan elemanlar arasındadır. Çift beslemeli asenkron generatörlerde (ÇBAG), süperkapasitör, gerilim düşmelerini ve salınımların sönümlenmesini iyileştirmek için kullanılır. Bu çalışmada, sonsuz bir baraya bağlı olan ÇBAG tabanlı bir rüzgar türbininde sistem kararlılığı için farklı bir süperkapasitör modeli geliştirilmiştir. Matematiksel süperkapasitör modelinin geliştirilmesinde lookup table, gerilim-kapasite ilişkisi ve kayan kipli kontrol ile gerçekleştirilmiştir. Simetrik ve asimetrik arıza durumları için, geliştirilen süperkapasitörlü ve süperkapasitörsüz DFIG modellemesi yapılmış ve elde edilen bulgular detaylı olarak karşılaştırılmış ve yorumlanmıştır. Benzetim çalışması analizi, MATLAB/SIMULINK ortamında gerçekleştirilmiştir. Geliştirilen süperkapasitör modeli simetrik ve asimetrik arızalarda etkili sonuçlar vermiştir.

Keywords

ÇBAG, süperkapasitör modeli, lookup table, kayan kipli kontrol.

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