Integration of Wind and Solar Hybrid Power Generation Systems into The Grid and Control of Power Quality with Fuzzy Logic

Abstract

In this study, a grid-connected hybrid system composed of a solar and wind power generation system is modelled and analyzed in Matlab/Simulink. In addition, the quality of power generated by the hybrid power generation system is improved by using Fuzzy Logic (FL) and Proportional-Integral (PI) controllers. Measurements of the frequency, voltage, power and harmonics of the system and the grid are evaluated. In addition, the voltage and frequency fluctuation times prior to synchronization between the hybrid generation system and the grid are analyzed. The voltage rises that occur on the grid while the system is idling have been checked. After synchronization, the voltage, power, frequency and phase angle values measured at the load and at the grid in the hybrid system were observed individually. According to the measured values obtained as a result of the simulation study, the performance of the hybrid power generation system is analyzed.

Keywords

• Wind
• Solar
• PV
• On-grid
• Fuzzy Logic

Rüzgâr ve Güneş Hibrit Güç Üretim Sisteminin Şebekeye Entegre Edilmesi ve Güç Kalitesinin Bulanık Mantık ile Kontrolü

Öz

Bu çalışmada, güneş ve rüzgâr enerjisi üretim sisteminden oluşan şebeke bağlantılı bir hibrit sistem Matlab/Simulink'te modellenmiş ve analiz edilmiştir. Ayrıca, hibrit enerji üretim sistemi tarafından üretilen gücün kalitesi Bulanık Mantık (FL) ve Oransal-İntegral (PI) kontrolörler kullanılarak iyileştirilmiştir. Sistemin ve şebekenin frekans, gerilim, güç ve harmonik ölçümleri değerlendirilmiştir. Ayrıca hibrit üretim sistemi ile şebeke arasındaki senkronizasyon öncesi gerilim ve frekans dalgalanma süreleri analiz edilmiştir. Sistem rölantide çalışırken şebekede meydana gelen gerilim yükselmeleri kontrol edilmiştir. Senkronizasyon sonrasında hibrit sistemde yükte ve şebekede ölçülen gerilim, güç, frekans ve faz açısı değerleri ayrı ayrı gözlemlenmiştir. Simülasyon çalışması sonucunda elde edilen ölçülen değerlere göre hibrit güç üretim sisteminin performansı analiz edilmiştir.

Anahtar Kelimeler

• Rüzgar
• Güneş
• PV
• On-grid
• Bulanık Mantık

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