LAPSE:2023.14710
Published Article
LAPSE:2023.14710
Grid-Connected PV System with Reactive Power Management and an Optimized SRF-PLL Using Genetic Algorithm
March 1, 2023
This paper presents a two-stage grid-connected PV system with reactive power management capability. The proposed model can send phase-shifted current to the grid during a low-voltage ride through (LVRT) to recover the voltage levels of the grid’s feeders. The novelty of the proposed algorithm, unlike the common methods, is that it does not need to disable the maximum power point tracking (MPPT) state while managing active and reactive power injection simultaneously. Moreover, the new method promotes a safety factor by offering overcurrent protection to the PV inverter. The phase-locked loop based on the synchronous reference frame (SRF-PLL) is optimized using a genetic algorithm (GA). The settling time of SRF-PLL’s step response is minimized, and the frequency dynamics are improved to enhance synchronization during LVRT. The system’s performance is tested and verified using MATLAB/Simulink simulations. The obtained results prove the effectiveness of the proposed control algorithm in managing reactive power interventions. The optimized phase-locked loop shows robust performance and is compared to the conventional low-gain PLL to spot the enhancement.
Keywords
Genetic Algorithm, grid-connected PV system, phase-locked loop, reactive power compensation
Suggested Citation
Aldbaiat B, Nour M, Radwan E, Awada E. Grid-Connected PV System with Reactive Power Management and an Optimized SRF-PLL Using Genetic Algorithm. (2023). LAPSE:2023.14710
Author Affiliations
Aldbaiat B: School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, UK [ORCID]
Nour M: School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, UK [ORCID]
Radwan E: Department of Electrical Engineering, Faculty of Engineering Technology, Applied Science Private University, P.O. Box 166, Amman 11931, Jordan [ORCID]
Awada E: Department of Electrical Engineering, College of Engineering Technology, Al-Balqa Applied University, P.O. Box 166, Amman 11931, Jordan [ORCID]
Journal Name
Energies
Volume
15
Issue
6
First Page
2177
Year
2022
Publication Date
2022-03-16
Published Version
ISSN
1996-1073
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Original Submission
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PII: en15062177, Publication Type: Journal Article
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LAPSE:2023.14710
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doi:10.3390/en15062177
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