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 33

(a) Waveform of the source current with the implementation of fuzzy logic current controller FLCC (b) Frequency spectrum of the source current with the implementation of fuzzy logic current controller FLCC.
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(b)