SR-No.	Power Quality Disturbance	Power Quality Detection Techniques Efficiency in Percentage
SR-No.	Power Quality Disturbance	Discrete Wavelet Transform [36]	Fast Fourier Transform [36]	S-Transform [113]	Hilbert Haung Transform [218]
1	Flicker	98.67	89	100	100
2	Notch	97.33	-	83	100
3	Sag	98.67	95	100	100
4	Swell	99.33	98	100	100
5	Transient	98.67	100	100	98
6	Harmonics	99.33	100	100	95
7	Spike	-	-	77	95
8	Sag + Harmonics	98.18	-	100	98
9	Swell + Harmonics	98.18	-	100	89
10	Sag + Transients	98.36	-	-	-
11	Swell + Transients	98.18	-	-	-