FoSSA Optimization-Based SVM Classifier for the Recognition of Partial Discharge Patterns in HV Cables

Table 3

Discharge voltage of different defects.

Defect type	Discharge voltage
Outer semiconductive layer creepage	5.6 kV, 6.6 kV
Internal air gap	5.3 kV, 11.3 kV, 18.3 kV
Scratch of insulation surface	5.6 kV, 9.6 kV, 13.6 kV
Metallic filth on insulation surface	6 kV, 20 kV, 34 kV