Random Harmonic Detection and Compensation Based on Synchronous Reference Frame

Table 1

Comparison of different methods.

	Filter	Wavelet Transform	Neural Network	FFT	PQ	SRF
Computation	A	D	C	E	B	B
Response speed	E	D	B	C	B	A
Reliability	E	D	C	D	B	A
Compensation precision	E	D	C	A	B	A
Ability of random harmonic detection and compensation	No	No	No	Yes	No	No