A Photovoltaic Array Fault Diagnosis Method Considering the Photovoltaic Output Deviation Characteristics

Table 3

Fault diagnosis accuracy statistics.

Type of failure	Sample number	Misjudged sample number	Accuracy rate
Normal	65	0	100%
Aging	66	1	98.5%
Shading	64	1	98.4%
Open circuit	66	2	97.7%