Mathematical Modeling of THD Mitigation Using HAPF for UPS System with Experimental Analysis via Hybrid Interface of Optical USB and Power Quality Meter

Table 2

HAPF control technique result and comparison with past work and standards.

Proposed HAPF control technique	THD without HAPF (%)	THD with HAPF (%)	IEEE STD 519 BS EN61000-3-2:2019 [29]	From literature, other works [34]
PQ-Hysteresis (%)	46.58	1.51	<5%	3.29
DQ-hysteresis	46.58	1.38	<5%