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SARMAŞIK YAPILI TEK-FAZ DOĞRULTUCUNUN FARKLI AKIM KONTROL YÖNTEMLERİYLE PERFORMANS ANALİZİ

PERFORMANCE ANALYSIS OF INTERLEAVED SINGLE-PHASE RECTIFIER USING DIFFERENT CURRENT CONTROL METHODS

Journal Name:

  • Gazi Üniversitesi Mühendislik-Mimarlık Fakültesi Dergisi

Publication Year:

  • 2014

Key Words:

Keywords (Original Language):

Author NameUniversity of Author
Abstract (2. Language): 
In this study, a comprehensive performance analysis of power factor correction control methods are presented for an interleaved single-phase rectifier operating under continuous conduction mode. The control of interleaved converter is achieved using proportional-integral control, average sliding control and predictive current control methods to obtain unity power factor and lower total harmonic distortion of input current. The interleaved power factor correction converters have many advantages in increasing power density, reducing input current ripple and RMS current of the boost capacitor, reducing filter volume, and cutting down the cost of materials. The analysis of the interleaved converter is presented and verified exactly by simulations and experimental carried out on 1 kW power and 50 kHz switching frequency. The performance of the current control methods for the interleaved converter is investigated by Matlab/Simulink program for different cases of operation such as change in input voltage and load. It is observed from the analysis that predictive current control method is more suitable than the others because it doesn’t need sense current.
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Abstract (Original Language): 
Bu çalışmada, sürekli iletim modunda çalışan sarmaşık yapılı tek-fazlı doğrultucu için güç faktörü düzeltme kontrol yöntemlerinin detaylı analizi yapılmıştır. Sarmaşık yapılı doğrultucu devresinde oransal-integral kontrol, ortalama kayan kip kontrol ve öngörmeli akım kontrol yöntemleri kullanılarak birim güç faktörü (UPF) ve giriş akımının toplam harmonik bozulumu (THD) incelenmiştir. Sarmaşık yapılı güç faktörü düzeltici devrenin güç yoğunluğunu arttırma, giriş akım dalgacığını ve çıkış kapasitörünün etkin akımını azaltma, filtre büyüklüğünü düşürme gibi bir çok avantajı vardır. Sarmaşık yapılı dönüştürücünün 50 kHz anahtarlama frekansı ve 1kW güç değerinde benzetim ve deneysel çalışmaları gerçekleştirilmiş ve kontrol yöntemlerinin analizi yapılmıştır. Analizlerde, dönüştürücünün tüm kontrol yöntemlerinde yük değişimlerinde dayanıklı yapı sergilediği gözlenmiştir. Ayrıca, öngörmeli kontrol yönteminde işlemlerin bobin akımı ölçülmeden yapılması diğer iki kontrol yöntemine göre daha avantajlı olduğunu göstermiştir.
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