Research Article

Experimental Harmonics Analysis of UPS (Uninterrupted Power Supply) System and Mitigation Using Single-Phase Half-Bridge HAPF (Hybrid Active Power Filter) Based on Novel Fuzzy Logic Current Controller (FLCC) for Reference Current Extraction (RCE)

Figure 18

Synchronous reference frame SRF-DQ for reference current extraction RCE of harmonic to FLCC-based gate pulse for single-phase half-bridge HAPF.