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 2

Configurations of passive power filters (a) single tuned (b) 1st order high-pass (c) 2nd order high-pass (d) 3rd order high-pass.
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(b)
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