Standalone or off-grid electricity system requires continuous, sustainable and reliable power supply. To address this challenge, a hybrid renewable energy system that includes wind and solar energy sources are combined to achieve better system efficiency as well as improved balance in energy supply. To provide a constant output irrespective of energy fluctuations a Battery Energy Storage System (BESS) needs to be incorporated in the stand- alone system. However, power conversion and power management in standalone hybrid renewable energy system are not free from harmonics and steady state errors. Hence an energy management system with a controller has to be designed to reduce the harmonics, steady state errors and as well as to provide a constant output voltage. A novel fuzzy logic based GPSO (genetic particle swarm optimization) PR (proportional resonant) controller for hybrid wind and solar generation system is proposed in this paper and a comparative analysis is effectively done to calculate the performance of Fuzzy GPSO based PR controller with fuzzy logic-based PI PR controllers where steady state errors and harmonics under different load circumstances are considered. The proposed standalone hybrid renewable energy system design and modeling is experimented in MATLAB/SIMULINK to validate the authenticity of results.<
Alan : Eğitim Bilimleri; Fen Bilimleri ve Matematik; Sağlık Bilimleri; Sosyal, Beşeri ve İdari Bilimler
Dergi Türü : Uluslararası
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