failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- winding distortion
- insulation deterioration
- through fault e.g. lightning strike
- low oil level
- oil circulation system problem


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- winding looseness
- insulation deterioration
- winding distortion
- low oil level
- through fault e.g. lightning strike


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- on-load tap-changer condition/ fault
- core looseness
- winding distortion
- low oil level
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- insulation deterioration
- de-energized tap-changer condition/ fault
- low oil level
- oil leak
- through fault e.g. lightning strike


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- low oil level
- insulation deterioration
- external damage/ disturbance
- on-load tap-changer condition/ fault
- through fault e.g. lightning strike


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- on-load tap-changer condition/ fault
- low oil level
- winding distortion
- through fault e.g. lightning strike
- supply faults, e.g. excessive harmonics and over fluxing


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault
- winding distortion
- oil circulation system problem
- winding looseness


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- oil circulation system problem
- de-energized tap-changer condition/ fault
- winding distortion
- through fault e.g. lightning strike
- core looseness


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- oil leak
- through fault e.g. lightning strike
- insulation deterioration
- oil circulation system problem
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- through fault e.g. lightning strike
- external damage/ disturbance
- insulation deterioration
- de-energized tap-changer condition/ fault
- oil circulation system problem


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- oil circulation system problem
- through fault e.g. lightning strike
- supply faults, e.g. excessive harmonics and over fluxing
- winding distortion
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- de-energized tap-changer condition/ fault
- winding distortion
- winding looseness
- insulation deterioration
- core looseness


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- winding distortion
- oil leak
- on-load tap-changer condition/ fault
- winding looseness
- through fault e.g. lightning strike


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- winding distortion
- through fault e.g. lightning strike
- external damage/ disturbance
- on-load tap-changer condition/ fault
- winding looseness


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- insulation deterioration
- winding looseness
- through fault e.g. lightning strike
- de-energized tap-changer condition/ fault
- supply faults, e.g. excessive harmonics and over fluxing


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- de-energized tap-changer condition/ fault
- core looseness
- oil leak
- winding distortion
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- de-energized tap-changer condition/ fault
- core looseness
- winding distortion
- insulation deterioration
- external damage/ disturbance


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- de-energized tap-changer condition/ fault
- supply faults, e.g. excessive harmonics and over fluxing
- on-load tap-changer condition/ fault
- insulation deterioration
- core looseness


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- on-load tap-changer condition/ fault
- through fault e.g. lightning strike
- insulation deterioration
- external damage/ disturbance
- oil leak


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- oil leak
- on-load tap-changer condition/ fault
- supply faults, e.g. excessive harmonics and over fluxing
- winding distortion
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor frequency response analysis (fra) exhibits an abnormal reading?

Choices:
- supply faults, e.g. excessive harmonics and over fluxing
- on-load tap-changer condition/ fault
- winding distortion
- external damage/ disturbance
- through fault e.g. lightning strike


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- de-energized tap-changer condition/ fault
- moisture ingress/ content
- on-load tap-changer condition/ fault
- oil quality deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- arcing/ electrical discharge
- on-load tap-changer condition/ fault
- de-energized tap-changer condition/ fault
- moisture ingress/ content
- insulation deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- on-load tap-changer condition/ fault
- moisture ingress/ content
- connection/ bushing faults
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- moisture ingress/ content
- de-energized tap-changer condition/ fault
- overheating/ auxiliary cooling system fault
- insulation deterioration
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- on-load tap-changer condition/ fault
- moisture ingress/ content
- low oil level
- de-energized tap-changer condition/ fault
- insulation deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- moisture ingress/ content
- insulation deterioration
- oil circulation system problem
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- insulation deterioration
- winding distortion
- moisture ingress/ content
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- winding looseness
- de-energized tap-changer condition/ fault
- moisture ingress/ content
- insulation deterioration
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- moisture ingress/ content
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault
- core looseness


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- oil leak
- de-energized tap-changer condition/ fault
- moisture ingress/ content
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- moisture ingress/ content
- insulation deterioration
- de-energized tap-changer condition/ fault
- external damage/ disturbance
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- on-load tap-changer condition/ fault
- de-energized tap-changer condition/ fault
- moisture ingress/ content
- insulation deterioration
- through fault e.g. lightning strike


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- supply faults, e.g. excessive harmonics and over fluxing
- moisture ingress/ content
- insulation deterioration
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- arcing/ electrical discharge
- de-energized tap-changer condition/ fault
- oil quality deterioration
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- oil quality deterioration
- de-energized tap-changer condition/ fault
- insulation deterioration
- on-load tap-changer condition/ fault
- connection/ bushing faults


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- overheating/ auxiliary cooling system fault
- oil quality deterioration
- on-load tap-changer condition/ fault
- insulation deterioration
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- low oil level
- insulation deterioration
- oil quality deterioration
- on-load tap-changer condition/ fault
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- on-load tap-changer condition/ fault
- de-energized tap-changer condition/ fault
- insulation deterioration
- oil quality deterioration
- oil circulation system problem


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- insulation deterioration
- oil quality deterioration
- winding distortion
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault
- winding looseness
- oil quality deterioration
- insulation deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- oil quality deterioration
- insulation deterioration
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault
- core looseness


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- oil quality deterioration
- on-load tap-changer condition/ fault
- de-energized tap-changer condition/ fault
- insulation deterioration
- oil leak


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- oil quality deterioration
- insulation deterioration
- on-load tap-changer condition/ fault
- external damage/ disturbance
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- on-load tap-changer condition/ fault
- oil quality deterioration
- de-energized tap-changer condition/ fault
- through fault e.g. lightning strike
- insulation deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault
- insulation deterioration
- oil quality deterioration
- supply faults, e.g. excessive harmonics and over fluxing


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault
- insulation deterioration
- arcing/ electrical discharge
- connection/ bushing faults


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- arcing/ electrical discharge
- overheating/ auxiliary cooling system fault
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault
- insulation deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- on-load tap-changer condition/ fault
- de-energized tap-changer condition/ fault
- arcing/ electrical discharge
- low oil level


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- oil circulation system problem
- on-load tap-changer condition/ fault
- insulation deterioration
- arcing/ electrical discharge
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- on-load tap-changer condition/ fault
- de-energized tap-changer condition/ fault
- arcing/ electrical discharge
- winding distortion
- insulation deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- arcing/ electrical discharge
- winding looseness
- on-load tap-changer condition/ fault
- de-energized tap-changer condition/ fault
- insulation deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- on-load tap-changer condition/ fault
- insulation deterioration
- core looseness
- arcing/ electrical discharge
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- oil leak
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault
- arcing/ electrical discharge
- insulation deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- arcing/ electrical discharge
- on-load tap-changer condition/ fault
- insulation deterioration
- de-energized tap-changer condition/ fault
- external damage/ disturbance


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- through fault e.g. lightning strike
- on-load tap-changer condition/ fault
- arcing/ electrical discharge
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- on-load tap-changer condition/ fault
- arcing/ electrical discharge
- supply faults, e.g. excessive harmonics and over fluxing
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- insulation deterioration
- on-load tap-changer condition/ fault
- overheating/ auxiliary cooling system fault
- connection/ bushing faults


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- on-load tap-changer condition/ fault
- de-energized tap-changer condition/ fault
- insulation deterioration
- connection/ bushing faults
- low oil level


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- oil circulation system problem
- connection/ bushing faults
- insulation deterioration
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- on-load tap-changer condition/ fault
- de-energized tap-changer condition/ fault
- insulation deterioration
- winding distortion
- connection/ bushing faults


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- connection/ bushing faults
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault
- winding looseness
- insulation deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- insulation deterioration
- core looseness
- on-load tap-changer condition/ fault
- connection/ bushing faults


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- connection/ bushing faults
- on-load tap-changer condition/ fault
- de-energized tap-changer condition/ fault
- insulation deterioration
- oil leak


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault
- external damage/ disturbance
- insulation deterioration
- connection/ bushing faults


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault
- through fault e.g. lightning strike
- connection/ bushing faults


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- supply faults, e.g. excessive harmonics and over fluxing
- connection/ bushing faults
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- low oil level
- on-load tap-changer condition/ fault
- overheating/ auxiliary cooling system fault
- insulation deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- on-load tap-changer condition/ fault
- overheating/ auxiliary cooling system fault
- de-energized tap-changer condition/ fault
- oil circulation system problem
- insulation deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- on-load tap-changer condition/ fault
- winding distortion
- de-energized tap-changer condition/ fault
- insulation deterioration
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- winding looseness
- overheating/ auxiliary cooling system fault
- on-load tap-changer condition/ fault
- insulation deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- overheating/ auxiliary cooling system fault
- insulation deterioration
- on-load tap-changer condition/ fault
- core looseness
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- oil leak
- insulation deterioration
- de-energized tap-changer condition/ fault
- overheating/ auxiliary cooling system fault
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault
- external damage/ disturbance
- insulation deterioration
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- on-load tap-changer condition/ fault
- overheating/ auxiliary cooling system fault
- de-energized tap-changer condition/ fault
- through fault e.g. lightning strike


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- overheating/ auxiliary cooling system fault
- insulation deterioration
- de-energized tap-changer condition/ fault
- supply faults, e.g. excessive harmonics and over fluxing
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- low oil level
- de-energized tap-changer condition/ fault
- oil circulation system problem
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- on-load tap-changer condition/ fault
- insulation deterioration
- low oil level
- de-energized tap-changer condition/ fault
- winding distortion


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- winding looseness
- low oil level
- on-load tap-changer condition/ fault
- insulation deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- on-load tap-changer condition/ fault
- core looseness
- low oil level
- insulation deterioration
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- low oil level
- de-energized tap-changer condition/ fault
- oil leak
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- external damage/ disturbance
- on-load tap-changer condition/ fault
- de-energized tap-changer condition/ fault
- low oil level


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- through fault e.g. lightning strike
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault
- insulation deterioration
- low oil level


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- low oil level
- supply faults, e.g. excessive harmonics and over fluxing
- on-load tap-changer condition/ fault
- de-energized tap-changer condition/ fault
- insulation deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- on-load tap-changer condition/ fault
- winding distortion
- de-energized tap-changer condition/ fault
- oil circulation system problem
- insulation deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- on-load tap-changer condition/ fault
- winding looseness
- oil circulation system problem
- insulation deterioration
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- oil circulation system problem
- insulation deterioration
- core looseness
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- de-energized tap-changer condition/ fault
- oil circulation system problem
- on-load tap-changer condition/ fault
- oil leak


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- oil circulation system problem
- insulation deterioration
- on-load tap-changer condition/ fault
- external damage/ disturbance


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- through fault e.g. lightning strike
- on-load tap-changer condition/ fault
- de-energized tap-changer condition/ fault
- oil circulation system problem


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- on-load tap-changer condition/ fault
- oil circulation system problem
- supply faults, e.g. excessive harmonics and over fluxing
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- insulation deterioration
- winding distortion
- on-load tap-changer condition/ fault
- winding looseness


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- winding distortion
- on-load tap-changer condition/ fault
- insulation deterioration
- core looseness


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- insulation deterioration
- winding distortion
- on-load tap-changer condition/ fault
- oil leak


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- winding distortion
- on-load tap-changer condition/ fault
- de-energized tap-changer condition/ fault
- external damage/ disturbance
- insulation deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault
- insulation deterioration
- winding distortion
- through fault e.g. lightning strike


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- on-load tap-changer condition/ fault
- winding distortion
- supply faults, e.g. excessive harmonics and over fluxing
- de-energized tap-changer condition/ fault
- insulation deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- core looseness
- winding looseness
- insulation deterioration
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- winding looseness
- oil leak
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault
- insulation deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- on-load tap-changer condition/ fault
- de-energized tap-changer condition/ fault
- external damage/ disturbance
- winding looseness
- insulation deterioration


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault
- through fault e.g. lightning strike
- winding looseness


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- supply faults, e.g. excessive harmonics and over fluxing
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault
- winding looseness


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- de-energized tap-changer condition/ fault
- core looseness
- on-load tap-changer condition/ fault
- oil leak


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- on-load tap-changer condition/ fault
- de-energized tap-changer condition/ fault
- external damage/ disturbance
- insulation deterioration
- core looseness


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- through fault e.g. lightning strike
- core looseness
- de-energized tap-changer condition/ fault
- insulation deterioration
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- core looseness
- on-load tap-changer condition/ fault
- supply faults, e.g. excessive harmonics and over fluxing
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- external damage/ disturbance
- on-load tap-changer condition/ fault
- insulation deterioration
- de-energized tap-changer condition/ fault
- oil leak


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- insulation deterioration
- de-energized tap-changer condition/ fault
- oil leak
- through fault e.g. lightning strike
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- oil leak
- supply faults, e.g. excessive harmonics and over fluxing
- on-load tap-changer condition/ fault
- insulation deterioration
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- through fault e.g. lightning strike
- de-energized tap-changer condition/ fault
- insulation deterioration
- external damage/ disturbance
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault
- external damage/ disturbance
- insulation deterioration
- supply faults, e.g. excessive harmonics and over fluxing


failure_mode_sensor_analysis

Question: Which failure events should be excluded for power transformer when an abnormal reading is detected by the sensor excitation current?

Choices:
- de-energized tap-changer condition/ fault
- through fault e.g. lightning strike
- supply faults, e.g. excessive harmonics and over fluxing
- insulation deterioration
- on-load tap-changer condition/ fault