Quantitative Representation of Disturbance Waveform for Microgrid Connected PCC Voltages Using Improved Atomic Decomposition

Table 2

Evaluation indicators comparison for voltage sag signal.

Methods	SNR
IAD	Pure signal	1/43.5	0.0008	0.998
	30 dB	1/43.5	0.0008	0.999
	20 dB	1/43.5	0.0063	0.991
WT	Pure signal	1/13.1	0.0005	0.994
	30 dB	1/12.7	0.0011	0.991
	20 dB	1/12.5	0.0013	0.989