Asymmetrical fault Fault body

fault indicator

flashing light indicator

indicator light

Light indicator

Fault without clear fault displacement

indicator of ethidium bromide-acid blue indicator

(actuator)fault

(N+M)fault-tolerant

09fault

100% stator earth fault protection

2∶2 uncertain fault

3D fault model

a fault on the right side

a single-phase grounding fault

A survey of power system fault diagnoses

A1 yarn fault

abnormal fault

Abrasion fault

abrupt fault of sensors