Wind–PV–Battery Hybrid Off-Grid System: Control Design and Real-Time Testing

Miloud Rezkallah (), Ambrish Chandra and Hussein Ibrahim
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Miloud Rezkallah: Energy Intelligence Research and Innovation Center (Cr2ie), Sept-Iles, QC G4R 5B7, Canada
Ambrish Chandra: École de Technologie Suprieure (ETS), 1100 Notre-Dame St. W, Montreal, QC H3C 1K3, Canada
Hussein Ibrahim: National Integrated Center for Smart Manufacturing (CNIMI), 575 Boul de l’Université, Drummondville, QC J2C 0R5, Canada

Clean Technol., 2024, vol. 6, issue 2, 1-23

Abstract: The paper presents the design and implementation of decentralized control for a PV–wind–battery hybrid off-grid system with limited power electronics devices and sensors. To perform well without using any maximum power point tracking (MPPT) technique from the wind turbine (WT) based on a permanent-magnet brushless DC generator (PMBLDCG) and solar panels (PVs) and balance the power in the system, a cascade control structure strategy based on a linear active disturbance rejection controller (LADRC) is developed for the two-switch DC-DC buck-boost converter. Moreover, to ensure an uninterruptible power supply to the connected loads with a constant voltage and frequency, a cascade d-q control structure based on LADRC is developed for the interfacing single-phase inverter. Furthermore, the modeling and controller parameters design are presented. The performance under all operation conditions of the hybrid off-grid configuration and its decentralized control is validated by simulation using MATLAB/Simulink and in real-time using a small-scale hardware prototype.

Keywords: hybrid off-grid system; cascade control structure; LADRC; LESO; wind turbine; solar panels; battery storage system; single-phase inverter (search for similar items in EconPapers)
JEL-codes: Q2 Q3 Q4 Q5 (search for similar items in EconPapers)
Date: 2024
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