Modified SRF theory based on active power filter with quasi-Z-source inverter single-stage PV system


  • Ahmed Elottri
  • Lakhdar Mzouz
  • Abdellah Kouzou
  • Ali Teta
  • Noureddine Nekbil
  • Fatima Boutouta



SAPF, QZSI, PV System, PowerQuality, SBC, MPPT


The proliferation of non-linear loads employing semiconductor-based power converters has led to a widespread challenge within electrical grids. This challenge pertains to the degradation of power quality (PQ) due to the emergence of harmonic currents generated by these particular loads. Consequently, numerous researchers have advocated for the adoption of shunt active power filters (APF) to mitigate the impact of these harmonics. This article introduces an enhanced methodology aimed at identifying compensation currents for a shunt active power filter (SAPF). The SAPF operates within a single-stage photovoltaic (PV) system utilizing a quasi-Z-source inverter (qZSI). The primary goals of this technique are to achieve a reduction in total harmonic distortion (THD) by less than 3 percent and to decrease the peak value of the DC-link voltage. The proposed system's efficacy is validated through an extensive simulation conducted using the Matlab/Simulink environment.


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How to Cite

Elottri, A., Mzouz , L., Kouzou, A., Teta, A., Nekbil, N., & Boutouta, F. (2024). Modified SRF theory based on active power filter with quasi-Z-source inverter single-stage PV system. STUDIES IN ENGINEERING AND EXACT SCIENCES, 5(1), 473–500.