Feature Extraction and Classification of Power Quality Disturbances Using Optimized Tunable-Q Wavelet Transform and Incremental Support Vector Machine

Table 3

Classification with (SVM and LSSVM) and (WT, EWT, and OTQWT).

Methods	Noise-free conditions	Signal-to-noise ratio
		20 dB	30 dB	50 dB
WT-SVM	88.6	81.9	84.4	86.2
WT-LSSVM	89.3	84	85.9	87.5
EWT-SVM	92.2	87.3	88.8	90.2
EWT-LSSVM	93.7	90	90.4	91.8
OTQWT-SVM	95.6	90.2	91.9	93.9
OTQWT-LSSVM	96.9	91.6	93.3	96