Application of Extension Theory with Chaotic Signal Synchronization on Detecting Islanding Effect of Photovoltaic Power System

Table 4

Classification table.

Actual group	Predicted group
	Normal	Islanding	Harmonics	Voltage swells	Voltage dips	Total
Normal	98	0	2	0	0	100
Islanding	0	100	0	0	0	100
Harmonics	8	0	92	0	0	100
Voltage swells	0	0	0	100	0	100
Voltage dips	0	0	0	0	100	100
Total	106	100	94	100	100	500