Robust hybrid control of output power for three-phase grid connected PV system
Publish place: International Journal of Industrial Electronics, Control and Optimization، Vol: 2، Issue: 4
Publish Year: 1398
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IECO-2-4_010
تاریخ نمایه سازی: 20 تیر 1401
Abstract:
In this paper, a new robust hybrid controller (RHC) is proposed to regulate current, voltage and, as a result, power output of a three-phase grid connected PV system. The creative process of the proposed controller consists of two steps. First, an input-output linearization method is used to eliminate system nonlinearities. Then, a robust PI controller is designed to reach the desired control objective. The robustness of PI is guaranteed by Lyapunov stability theory. Also, a maximum power point tracking (MPPT) algorithm is provided to adjust the PV output voltage for extracting MPP under various atmospheric conditions. To evaluate the performance of the proposed controller, different system conditions such as standard, considering uncertainties and three-phase short-circuit fault, are simulated and the results are compared with a feedback linearization controller (FLC). The results show superiority of the performance and robustness of the designed RHC versus various uncertainties such as solar irradiation and ambient temperature.
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Authors
Seyed Mohammad Hoseini
Department of Electrical Engineering, Shahid Rajaee Teacher Training University, Tehran, Iran
Nastaran Vasegh
Department of Electrical Engineering, Shahid Rajaee Teacher Training University, Tehran, Iran
Ali Zangeneh
Department of Electrical Engineering, Shahid Rajaee Teacher Training University, Tehran, Iran
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