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 12
Experimental single-phase UPS system waveforms of voltage, current, and the frequency spectrum of harmonics with maximum THD.