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Wind–PV–Battery Hybrid Off-Grid System: Control Design and Real-Time Testing
- Source :
- Clean Technologies, Vol 6, Iss 2, Pp 471-493 (2024)
- Publication Year :
- 2024
- Publisher :
- MDPI AG, 2024.
-
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.
Details
- Language :
- English
- ISSN :
- 25718797
- Volume :
- 6
- Issue :
- 2
- Database :
- Directory of Open Access Journals
- Journal :
- Clean Technologies
- Publication Type :
- Academic Journal
- Accession number :
- edsdoj.5221a067e9c541bdae18c2cdbeb0b1d3
- Document Type :
- article
- Full Text :
- https://doi.org/10.3390/cleantechnol6020024