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Yi, Zhehan; Babqi, Abdulrahman J.; Wang, Yishen; Shi, Di; Etemadi, Amir H.; Wang, Zhiwei; Huang, Bibin (2018)
Languages: English
Types: Preprint
Subjects: Mathematics - Optimization and Control, Electrical Engineering and Systems Science - Signal Processing
Microgrids consisting of multiple distributed energy resources (DERs) provide a promising solution to integrate renewable energies, e.g., solar photovoltaic (PV) systems. Hybrid AC/DC microgrids leverage the merits of both AC and DC power systems. In this paper, a control strategy for islanded multi-bus hybrid microgrids is proposed based on the Finite-Control-Set Model Predictive Control (FCS-MPC) technologies. The control loops are expedited by predicting the future states and determining the optimal control action before switching signals are sent. The proposed algorithm eliminates the needs of PI, PWM, and droop components, and offers 1) accurate PV maximum power point tracking (MPPT) and battery charging/discharging control, 2) DC and multiple AC bus voltage/frequency regulation, 3) a precise power sharing scheme among DERs without voltage or frequency deviation, and 4) a unified MPC design flow for hybrid microgrids. Multiple case studies are carried out, which verify the satisfactory performance of the proposed method.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

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    • [19] X. Zhang, “Control strategy of cascaded H-bridge multilevel inverter with PV system as separate dc source,” M.S. thesis, Royal Institute of Technology, Stockholm, Sweden, 2011.
    • [20] Z. Yi, “Solar Photovoltaic (PV) Distributed Generation Systems-Control and Protection”. Ph.D. dissertation, The George Washington University, Washington, DC, 2017.
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  • Discovered through pilot similarity algorithms. Send us your feedback.

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