Instantaneous Power Theory with Fourier and Optimal Predictive Controller Design for Shunt Active Power Filter

Table 1

The performance comparison between the PQ and PQF algorithms for balanced system.

Harmonic identification algorithm	Before compensation				After compensation
	%THD𝑖,𝑎𝑣	pfdisp	pfdist	pf	%THD𝑖,𝑎𝑣	pfdisp	pfdist	pf
PQ	24.48	0.98	0.97	0.95	0.95	1	1	1
PQF					0.04	1	1	1