Comparison of Voltage Stability of Photovoltaic Power Source Dual Structure Flyback Converter with Fuzzy-Tuned PI and Fractional PID Type Controllers

Year 2020, , 443 - 465, 15.12.2020

Hilmi Zenk

https://doi.org/10.31466/kfbd.819578

Cited By: 1

Abstract

In this study, fuzzy-tuned PI and fractional PID based controllers and a dual structure flyback converter design are presented for the control of a photovoltaic solar energy generation system. Since the ambient temperature and solar radiation levels change in the photovoltaic solar energy system, the loads are affected by this variability. It has been shown that an effective voltage control can be achieved by using this new dual-flyback converter structure designed to meet the variable DC voltage requirement of the loads in the system. The design and control of the dual flyback converter was performed with the fuzzy-tuned PI and fractional PID controller, respectively. System efficiency and stability were compared under the influence of these two different types of controllers. The studies were carried out in MATLAB-SIMULINK environment to emphasize the theoretical consistency of system performance studies in stable and transient conditions.

Keywords

Photovoltaic solar energy, dual flyback converter, fuzzy-tuned PI controller, fractional PID controller

Fotovoltaik Enerji Kaynaklı İkili Yapılı Flyback Dönüştürücünün Fuzzy-Tuned PI ve Fractional PID Tipi Denetleyicilerle Gerilim Kararlılığının Karşılaştırılması

Abstract

Bu çalışmada, fotovoltaik güneş enerjisi üretim sistemi tarafından kontrolü için Fuzzy-tuned PI ve Fractional PID tabanlı kontrolörler ile dual yapılı flyback dönüştürücü tasarımı sunulmuştur. Fotovoltaik güneş enerjisi sisteminde ortam sıcaklığı ve güneş radyasyonu seviyeleri değiştiğinden yükler bu değişkenlikten etkilenir. Sistemdeki yüklerin talep ettiği değişken DC gerilim ihtiyacını karşılamak için tasarlanan bu yeni dual flyback dönüştürücü yapısını kullanılarak etkin bir gerilim kontrolü yapıabileceği gösterilmiştir. Dual flyback dönüştürücünün tasarımı ve kontrolü sırasıyla Fuzzy-tuned PI ve Fraksiyonel PID denetleyicisi ile gerçekleştirildi. Sistem verimliliği ve kararlılığı, bu iki farklı kontrolör türünün etkisi altında karşılaştırıldı. Kararlı ve geçici durumlarda sistem performansı çalışmaların teorik tutarlılığını vurgulamak için çalışmalar MATLAB-SIMULINK ortamında gerçekleştirilmiştir.

Keywords

Fotovoltaik güneş enerjisi, dual flyback dönüştürücü, fuzzy-tuned PI denetleyici, fractional PID denetleyici

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