Enhanced Incremental Conductance MPPT algorithm for Photovoltaic Systems by Adaptive Hysteresis Control
DOI:
https://doi.org/10.65204/djes.v3i3.588Keywords:
DC/DC; Incremental Conductance; Hysteresis; MPPT; ZetaAbstract
In recent decades, “renewable energy sources” (RES) such as photovoltaic (PV) have been developed and enhanced to generate more power at the same panel area. Also, many researchers have developed many techniques to extract the maximum power from these panels at different operating conditions. This research presents a design for an upgraded adaptive hysteresis incremental conductance AHIC “maximum power point tracking” MPPT algorithm for photovoltaic systems. This MPPT improves the traditional IC approach by adaptive hysteresis control and directed memory. This MPPT is engineered for photovoltaic PV systems functioning under variable environmental conditions. The suggested AHIC algorithm mitigates three significant drawbacks of the traditional IC method, namely persistent oscillations and sluggish responsiveness to variations in irradiance. The suggested enhancement involves the self-adjusting hysteresis band to attain the “maximum power point” MPP, fluctuating between 70% and 82% of the photovoltaic input power. The present study has devised a design for a 2kW photovoltaic system utilizing a "Zeta" converter to execute MPPT. The suggested MPPT algorithm and the complete system are implemented and simulated using MATLAB SIMULINK software.
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