Abstract
This paper presents an advanced solution for improving power quality in distribution systems through the implementation of a Three-Phase Three-Level Shunt Hybrid Active Filter (SHAF) with a Multilevel Inverter. The SHAF, utilizing a Three-Level Neutral Point Clamped Voltage Source Inverter actively mitigates harmonics, with a comprehensive performance analysis considering the impact of active and passive parameters on power quality improvement. The proposed system incorporates TPTL (Three phase 3-Level) NPC inverter technology to reduce switch ratings and enhance harmonic compensation. Various passive filters are integrated into the SHAF to assess performance. Simulation results, validated with MATLAB/Simulink, confirm the efficacy of the proposed system. Comparative analysis against conventional shunt passive filters, including Single Tuned, Double Tuned, High Pass, C-type High Pass, and a two-level shunt active filter with diverse passive filters, reveals a significant improvement of over 53% compared to two-level active filters and more than 16 times compared to shunt passive filters.
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