failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- oil leak
- external damage/ disturbance
- core looseness
- low oil level
- moisture ingress/ content


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- through fault e.g. lightning strike
- arcing/ electrical discharge
- moisture ingress/ content
- oil circulation system problem
- oil leak


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- oil leak
- oil circulation system problem
- supply faults, e.g. excessive harmonics and over fluxing
- moisture ingress/ content
- arcing/ electrical discharge


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- de-energized tap-changer condition/ fault
- arcing/ electrical discharge
- oil circulation system problem
- on-load tap-changer condition/ fault
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- oil quality deterioration
- arcing/ electrical discharge
- oil circulation system problem
- on-load tap-changer condition/ fault
- external damage/ disturbance


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- on-load tap-changer condition/ fault
- connection/ bushing faults
- overheating/ auxiliary cooling system fault
- external damage/ disturbance
- low oil level


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- external damage/ disturbance
- on-load tap-changer condition/ fault
- oil leak
- winding distortion
- arcing/ electrical discharge


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- oil circulation system problem
- winding looseness
- arcing/ electrical discharge
- on-load tap-changer condition/ fault
- low oil level


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- core looseness
- low oil level
- oil circulation system problem
- on-load tap-changer condition/ fault
- oil leak


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- overheating/ auxiliary cooling system fault
- on-load tap-changer condition/ fault
- oil leak
- arcing/ electrical discharge
- 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 visual exhibits an abnormal reading?

Choices:
- overheating/ auxiliary cooling system fault
- oil circulation system problem
- de-energized tap-changer condition/ fault
- external damage/ disturbance
- oil quality deterioration


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- de-energized tap-changer condition/ fault
- connection/ bushing faults
- low oil level
- oil leak
- external damage/ disturbance


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- de-energized tap-changer condition/ fault
- low oil level
- oil circulation system problem
- arcing/ electrical discharge
- winding distortion


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- winding looseness
- oil leak
- overheating/ auxiliary cooling system fault
- external damage/ disturbance
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- external damage/ disturbance
- arcing/ electrical discharge
- oil leak
- de-energized tap-changer condition/ fault
- core looseness


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- through fault e.g. lightning strike
- arcing/ electrical discharge
- de-energized tap-changer condition/ fault
- low oil level
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- de-energized tap-changer condition/ fault
- oil circulation system problem
- low oil level
- arcing/ electrical discharge
- 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 visual exhibits an abnormal reading?

Choices:
- connection/ bushing faults
- oil quality deterioration
- low oil level
- oil circulation system problem
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- arcing/ electrical discharge
- low oil level
- oil circulation system problem
- winding distortion
- oil quality deterioration


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- winding looseness
- arcing/ electrical discharge
- external damage/ disturbance
- oil quality deterioration
- low oil level


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- core looseness
- external damage/ disturbance
- oil leak
- low oil level
- oil quality deterioration


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- external damage/ disturbance
- through fault e.g. lightning strike
- low oil level
- arcing/ electrical discharge
- oil quality deterioration


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- external damage/ disturbance
- oil quality deterioration
- supply faults, e.g. excessive harmonics and over fluxing
- oil circulation system problem
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- connection/ bushing faults
- oil leak
- low oil level
- oil circulation system problem
- winding distortion


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- arcing/ electrical discharge
- winding looseness
- external damage/ disturbance
- connection/ bushing faults
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- oil circulation system problem
- connection/ bushing faults
- low oil level
- core looseness
- external damage/ disturbance


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- overheating/ auxiliary cooling system fault
- through fault e.g. lightning strike
- external damage/ disturbance
- connection/ bushing faults
- arcing/ electrical discharge


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- supply faults, e.g. excessive harmonics and over fluxing
- overheating/ auxiliary cooling system fault
- external damage/ disturbance
- oil circulation system problem
- connection/ bushing faults


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- oil circulation system problem
- winding looseness
- oil leak
- winding distortion
- arcing/ electrical discharge


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- winding distortion
- overheating/ auxiliary cooling system fault
- core looseness
- oil leak
- low oil level


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- oil circulation system problem
- through fault e.g. lightning strike
- arcing/ electrical discharge
- winding distortion
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- low oil level
- supply faults, e.g. excessive harmonics and over fluxing
- arcing/ electrical discharge
- oil circulation system problem
- winding distortion


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- winding looseness
- arcing/ electrical discharge
- external damage/ disturbance
- oil circulation system problem
- core looseness


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- arcing/ electrical discharge
- winding looseness
- external damage/ disturbance
- through fault e.g. lightning strike
- low oil level


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- external damage/ disturbance
- low oil level
- overheating/ auxiliary cooling system fault
- winding looseness
- 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 visual exhibits an abnormal reading?

Choices:
- through fault e.g. lightning strike
- oil circulation system problem
- arcing/ electrical discharge
- external damage/ disturbance
- core looseness


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- overheating/ auxiliary cooling system fault
- core looseness
- low oil level
- supply faults, e.g. excessive harmonics and over fluxing
- oil circulation system problem


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor visual exhibits an abnormal reading?

Choices:
- through fault e.g. lightning strike
- oil circulation system problem
- oil leak
- supply faults, e.g. excessive harmonics and over fluxing
- external damage/ disturbance


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- oil quality deterioration
- moisture ingress/ content
- winding distortion
- de-energized tap-changer condition/ fault
- connection/ bushing faults


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- winding looseness
- moisture ingress/ content
- arcing/ electrical discharge
- overheating/ auxiliary cooling system fault
- connection/ bushing faults


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- core looseness
- oil quality deterioration
- on-load tap-changer condition/ fault
- connection/ bushing faults
- oil circulation system problem


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- overheating/ auxiliary cooling system fault
- oil circulation system problem
- on-load tap-changer condition/ fault
- oil leak
- connection/ bushing faults


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- connection/ bushing faults
- insulation deterioration
- external damage/ disturbance
- on-load tap-changer condition/ fault
- oil circulation system problem


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- connection/ bushing faults
- arcing/ electrical discharge
- oil quality deterioration
- insulation deterioration
- through fault e.g. lightning strike


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- supply faults, e.g. excessive harmonics and over fluxing
- on-load tap-changer condition/ fault
- arcing/ electrical discharge
- connection/ bushing faults
- oil circulation system problem


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- low oil level
- winding distortion
- arcing/ electrical discharge
- overheating/ auxiliary cooling system fault
- winding looseness


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

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


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

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


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

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


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- overheating/ auxiliary cooling system fault
- oil quality deterioration
- through fault e.g. lightning strike
- winding distortion
- arcing/ electrical discharge


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- winding distortion
- supply faults, e.g. excessive harmonics and over fluxing
- moisture ingress/ content
- oil circulation system problem
- low oil level


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- core looseness
- overheating/ auxiliary cooling system fault
- winding looseness
- oil quality deterioration
- insulation deterioration


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- moisture ingress/ content
- on-load tap-changer condition/ fault
- winding looseness
- oil leak
- oil circulation system problem


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- oil circulation system problem
- low oil level
- moisture ingress/ content
- external damage/ disturbance
- winding looseness


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- oil quality deterioration
- de-energized tap-changer condition/ fault
- overheating/ auxiliary cooling system fault
- winding looseness
- through fault e.g. lightning strike


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- winding looseness
- low oil level
- arcing/ electrical discharge
- supply faults, e.g. excessive harmonics and over fluxing
- oil quality deterioration


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- oil leak
- low oil level
- on-load tap-changer condition/ fault
- overheating/ auxiliary cooling system fault
- core looseness


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- overheating/ auxiliary cooling system fault
- external damage/ disturbance
- arcing/ electrical discharge
- core looseness
- oil quality deterioration


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- oil quality deterioration
- through fault e.g. lightning strike
- on-load tap-changer condition/ fault
- arcing/ electrical discharge
- core looseness


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- oil quality deterioration
- de-energized tap-changer condition/ fault
- core looseness
- overheating/ auxiliary cooling system fault
- supply faults, e.g. excessive harmonics and over fluxing


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

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


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- overheating/ auxiliary cooling system fault
- oil circulation system problem
- through fault e.g. lightning strike
- oil leak
- low oil level


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

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


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- external damage/ disturbance
- oil circulation system problem
- low oil level
- through fault e.g. lightning strike
- oil quality deterioration


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- supply faults, e.g. excessive harmonics and over fluxing
- external damage/ disturbance
- de-energized tap-changer condition/ fault
- low oil level
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: When the sensor oil condition in power transformer displays an abnormal reading, which failure events are not applicable?

Choices:
- supply faults, e.g. excessive harmonics and over fluxing
- oil quality deterioration
- arcing/ electrical discharge
- de-energized tap-changer condition/ fault
- through fault e.g. lightning strike


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- de-energized tap-changer condition/ fault
- connection/ bushing faults
- moisture ingress/ content
- arcing/ electrical discharge
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- low oil level
- moisture ingress/ content
- insulation deterioration
- winding looseness
- oil circulation system problem


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- oil leak
- overheating/ auxiliary cooling system fault
- oil circulation system problem
- insulation deterioration
- moisture ingress/ content


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- de-energized tap-changer condition/ fault
- moisture ingress/ content
- connection/ bushing faults
- external damage/ disturbance
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- on-load tap-changer condition/ fault
- oil quality deterioration
- connection/ bushing faults
- oil circulation system problem
- arcing/ electrical discharge


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- on-load tap-changer condition/ fault
- winding distortion
- oil quality deterioration
- oil circulation system problem
- low oil level


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- on-load tap-changer condition/ fault
- core looseness
- connection/ bushing faults
- oil quality deterioration
- low oil level


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- oil leak
- oil circulation system problem
- oil quality deterioration
- on-load tap-changer condition/ fault
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- on-load tap-changer condition/ fault
- oil quality deterioration
- connection/ bushing faults
- overheating/ auxiliary cooling system fault
- supply faults, e.g. excessive harmonics and over fluxing


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- de-energized tap-changer condition/ fault
- winding distortion
- arcing/ electrical discharge
- low oil level
- oil circulation system problem


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- oil leak
- connection/ bushing faults
- on-load tap-changer condition/ fault
- low oil level
- arcing/ electrical discharge


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- connection/ bushing faults
- insulation deterioration
- external damage/ disturbance
- on-load tap-changer condition/ fault
- arcing/ electrical discharge


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- connection/ bushing faults
- through fault e.g. lightning strike
- oil circulation system problem
- overheating/ auxiliary cooling system fault
- arcing/ electrical discharge


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- supply faults, e.g. excessive harmonics and over fluxing
- oil circulation system problem
- overheating/ auxiliary cooling system fault
- de-energized tap-changer condition/ fault
- arcing/ electrical discharge


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- connection/ bushing faults
- winding looseness
- on-load tap-changer condition/ fault
- winding distortion
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- low oil level
- winding distortion
- overheating/ auxiliary cooling system fault
- insulation deterioration
- core looseness


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- oil circulation system problem
- oil leak
- overheating/ auxiliary cooling system fault
- winding distortion
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- winding distortion
- oil circulation system problem
- connection/ bushing faults
- external damage/ disturbance
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- winding distortion
- de-energized tap-changer condition/ fault
- low oil level
- connection/ bushing faults
- through fault e.g. lightning strike


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- winding looseness
- connection/ bushing faults
- oil leak
- overheating/ auxiliary cooling system fault
- oil circulation system problem


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- overheating/ auxiliary cooling system fault
- on-load tap-changer condition/ fault
- winding looseness
- low oil level
- external damage/ disturbance


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- through fault e.g. lightning strike
- overheating/ auxiliary cooling system fault
- low oil level
- oil circulation system problem
- winding looseness


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- low oil level
- overheating/ auxiliary cooling system fault
- supply faults, e.g. excessive harmonics and over fluxing
- winding looseness
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- on-load tap-changer condition/ fault
- core looseness
- low oil level
- oil leak
- oil circulation system problem


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- overheating/ auxiliary cooling system fault
- insulation deterioration
- oil circulation system problem
- core looseness
- supply faults, e.g. excessive harmonics and over fluxing


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- supply faults, e.g. excessive harmonics and over fluxing
- oil leak
- on-load tap-changer condition/ fault
- oil circulation system problem
- low oil level


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

Choices:
- through fault e.g. lightning strike
- insulation deterioration
- low oil level
- external damage/ disturbance
- oil circulation system problem


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor temperature in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- overheating/ auxiliary cooling system fault
- arcing/ electrical discharge
- connection/ bushing faults
- on-load tap-changer condition/ fault
- moisture ingress/ content


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- arcing/ electrical discharge
- de-energized tap-changer condition/ fault
- moisture ingress/ content
- on-load tap-changer condition/ fault
- low oil level


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- moisture ingress/ content
- insulation deterioration
- oil circulation system problem
- de-energized tap-changer condition/ fault
- connection/ bushing faults


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- de-energized tap-changer condition/ fault
- moisture ingress/ content
- arcing/ electrical discharge
- connection/ bushing faults
- winding distortion


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- connection/ bushing faults
- arcing/ electrical discharge
- core looseness
- moisture ingress/ content
- insulation deterioration


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- connection/ bushing faults
- de-energized tap-changer condition/ fault
- on-load tap-changer condition/ fault
- moisture ingress/ content
- external damage/ disturbance


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- supply faults, e.g. excessive harmonics and over fluxing
- arcing/ electrical discharge
- moisture ingress/ content
- connection/ bushing faults
- insulation deterioration


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- arcing/ electrical discharge
- oil circulation system problem
- on-load tap-changer condition/ fault
- oil quality deterioration
- connection/ bushing faults


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- on-load tap-changer condition/ fault
- low oil level
- de-energized tap-changer condition/ fault
- arcing/ electrical discharge
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- de-energized tap-changer condition/ fault
- overheating/ auxiliary cooling system fault
- on-load tap-changer condition/ fault
- oil circulation system problem
- arcing/ electrical discharge


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- connection/ bushing faults
- de-energized tap-changer condition/ fault
- arcing/ electrical discharge
- winding looseness
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- insulation deterioration
- arcing/ electrical discharge
- overheating/ auxiliary cooling system fault
- connection/ bushing faults
- core looseness


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- de-energized tap-changer condition/ fault
- oil leak
- overheating/ auxiliary cooling system fault
- arcing/ electrical discharge
- connection/ bushing faults


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- through fault e.g. lightning strike
- insulation deterioration
- arcing/ electrical discharge
- connection/ bushing faults
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- supply faults, e.g. excessive harmonics and over fluxing
- connection/ bushing faults
- overheating/ auxiliary cooling system fault
- on-load tap-changer condition/ fault
- arcing/ electrical discharge


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- connection/ bushing faults
- arcing/ electrical discharge
- de-energized tap-changer condition/ fault
- low oil level
- winding looseness


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- on-load tap-changer condition/ fault
- external damage/ disturbance
- arcing/ electrical discharge
- low oil level
- connection/ bushing faults


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- arcing/ electrical discharge
- connection/ bushing faults
- through fault e.g. lightning strike
- low oil level
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- de-energized tap-changer condition/ fault
- insulation deterioration
- arcing/ electrical discharge
- low oil level
- 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 partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- connection/ bushing faults
- winding looseness
- insulation deterioration
- on-load 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 partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- de-energized tap-changer condition/ fault
- oil leak
- arcing/ electrical discharge
- on-load 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 partial discharge exhibits an abnormal reading?

Choices:
- insulation deterioration
- external damage/ disturbance
- connection/ bushing faults
- 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 partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- de-energized tap-changer condition/ fault
- oil circulation system problem
- supply faults, e.g. excessive harmonics and over fluxing
- connection/ bushing faults
- arcing/ electrical discharge


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- winding distortion
- core looseness
- connection/ bushing faults
- insulation deterioration
- arcing/ electrical discharge


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- connection/ bushing faults
- external damage/ disturbance
- winding distortion
- on-load tap-changer condition/ fault
- arcing/ electrical discharge


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- insulation deterioration
- winding distortion
- arcing/ electrical discharge
- connection/ bushing faults
- through fault e.g. lightning strike


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- core looseness
- insulation deterioration
- de-energized tap-changer condition/ fault
- 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 partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- winding looseness
- arcing/ electrical discharge
- de-energized tap-changer condition/ fault
- external damage/ disturbance
- connection/ bushing faults


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge 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
- arcing/ electrical discharge
- core looseness


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- de-energized tap-changer condition/ fault
- arcing/ electrical discharge
- oil leak
- through fault e.g. lightning strike
- connection/ bushing faults


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

Choices:
- insulation deterioration
- connection/ bushing faults
- oil leak
- supply faults, e.g. excessive harmonics and over fluxing
- arcing/ electrical discharge


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: What are the irrelevant failure events for power transformer if the sensor partial discharge exhibits an abnormal reading?

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


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

Choices:
- winding looseness
- on-load tap-changer condition/ fault
- winding distortion
- moisture ingress/ content
- low oil level


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

Choices:
- low oil level
- insulation deterioration
- winding distortion
- core looseness
- arcing/ electrical discharge


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

Choices:
- de-energized tap-changer condition/ fault
- low oil level
- oil quality deterioration
- winding distortion
- oil leak


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

Choices:
- overheating/ auxiliary cooling system fault
- external damage/ disturbance
- on-load tap-changer condition/ fault
- winding distortion
- oil quality deterioration


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

Choices:
- winding distortion
- low oil level
- moisture ingress/ content
- through fault e.g. lightning strike
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

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


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

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


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

Choices:
- winding looseness
- overheating/ auxiliary cooling system fault
- moisture ingress/ content
- oil circulation system problem
- oil leak


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

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


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

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


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

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


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

Choices:
- overheating/ auxiliary cooling system fault
- oil leak
- oil circulation system problem
- on-load tap-changer condition/ fault
- core looseness


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

Choices:
- moisture ingress/ content
- external damage/ disturbance
- core looseness
- de-energized tap-changer condition/ fault
- low oil level


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

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


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

Choices:
- core looseness
- overheating/ auxiliary cooling system fault
- arcing/ electrical discharge
- supply faults, e.g. excessive harmonics and over fluxing
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

Choices:
- moisture ingress/ content
- oil leak
- connection/ bushing faults
- insulation deterioration
- external damage/ disturbance


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

Choices:
- oil leak
- through fault e.g. lightning strike
- arcing/ electrical discharge
- low oil level
- insulation deterioration


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

Choices:
- oil circulation system problem
- supply faults, e.g. excessive harmonics and over fluxing
- on-load tap-changer condition/ fault
- oil leak
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

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


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

Choices:
- supply faults, e.g. excessive harmonics and over fluxing
- external damage/ disturbance
- arcing/ electrical discharge
- overheating/ auxiliary cooling system fault
- oil quality deterioration


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor dissolved gas analysis shows an abnormal reading?

Choices:
- through fault e.g. lightning strike
- de-energized tap-changer condition/ fault
- arcing/ electrical discharge
- supply faults, e.g. excessive harmonics and over fluxing
- oil quality deterioration


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

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


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

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


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- insulation deterioration
- arcing/ electrical discharge
- on-load tap-changer condition/ fault
- low oil level
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

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


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

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


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

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


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

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


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

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


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

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


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- connection/ bushing faults
- arcing/ electrical discharge
- oil quality deterioration
- core looseness
- moisture ingress/ content


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- moisture ingress/ content
- arcing/ electrical discharge
- core looseness
- de-energized tap-changer condition/ fault
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- de-energized tap-changer condition/ fault
- oil circulation system problem
- connection/ bushing faults
- on-load tap-changer condition/ fault
- moisture ingress/ content


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- moisture ingress/ content
- winding looseness
- connection/ bushing faults
- winding distortion
- core looseness


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- on-load tap-changer condition/ fault
- oil leak
- arcing/ electrical discharge
- winding looseness
- moisture ingress/ content


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- moisture ingress/ content
- arcing/ electrical discharge
- on-load tap-changer condition/ fault
- connection/ bushing faults
- external damage/ disturbance


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- moisture ingress/ content
- low oil level
- winding looseness
- through fault e.g. lightning strike
- connection/ bushing faults


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

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


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- arcing/ electrical discharge
- winding looseness
- de-energized tap-changer condition/ fault
- oil quality deterioration
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- oil circulation system problem
- arcing/ electrical discharge
- oil quality deterioration
- on-load tap-changer condition/ fault
- core looseness


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- winding distortion
- oil quality deterioration
- on-load tap-changer condition/ fault
- connection/ bushing faults
- core looseness


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- arcing/ electrical discharge
- connection/ bushing faults
- oil quality deterioration
- on-load tap-changer condition/ fault
- oil leak


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- connection/ bushing faults
- external damage/ disturbance
- on-load tap-changer condition/ fault
- oil quality deterioration
- winding looseness


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- connection/ bushing faults
- low oil level
- oil quality deterioration
- arcing/ electrical discharge
- through fault e.g. lightning strike


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- arcing/ electrical discharge
- on-load tap-changer condition/ fault
- core looseness
- oil quality deterioration
- supply faults, e.g. excessive harmonics and over fluxing


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

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


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

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


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

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


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- external damage/ disturbance
- winding looseness
- on-load tap-changer condition/ fault
- overheating/ auxiliary cooling system fault
- low oil level


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- connection/ bushing faults
- overheating/ auxiliary cooling system fault
- through fault e.g. lightning strike
- winding looseness
- arcing/ electrical discharge


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- on-load tap-changer condition/ fault
- arcing/ electrical discharge
- supply faults, e.g. excessive harmonics and over fluxing
- winding looseness
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- oil circulation system problem
- de-energized tap-changer condition/ fault
- winding looseness
- connection/ bushing faults
- winding distortion


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- low oil level
- arcing/ electrical discharge
- oil leak
- oil circulation system problem
- core looseness


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- low oil level
- winding looseness
- oil circulation system problem
- connection/ bushing faults
- external damage/ disturbance


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

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


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- supply faults, e.g. excessive harmonics and over fluxing
- oil circulation system problem
- winding looseness
- connection/ bushing faults
- low oil level


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

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


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- winding looseness
- arcing/ electrical discharge
- on-load tap-changer condition/ fault
- external damage/ disturbance
- winding distortion


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- connection/ bushing faults
- low oil level
- through fault e.g. lightning strike
- winding distortion
- core looseness


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- winding distortion
- supply faults, e.g. excessive harmonics and over fluxing
- connection/ bushing faults
- winding looseness
- low oil level


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- connection/ bushing faults
- external damage/ disturbance
- oil leak
- winding looseness
- low oil level


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- winding looseness
- de-energized tap-changer condition/ fault
- connection/ bushing faults
- through fault e.g. lightning strike
- oil leak


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- de-energized tap-changer condition/ fault
- arcing/ electrical discharge
- supply faults, e.g. excessive harmonics and over fluxing
- low oil level
- oil leak


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- through fault e.g. lightning strike
- core looseness
- low oil level
- external damage/ disturbance
- arcing/ electrical discharge


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

Choices:
- external damage/ disturbance
- supply faults, e.g. excessive harmonics and over fluxing
- arcing/ electrical discharge
- low oil level
- de-energized tap-changer condition/ fault


failure_mode_sensor_analysis

Question: If the sensor noise in power transformer shows an abnormal reading, which failure events are insignificant?

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


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

Choices:
- moisture ingress/ content
- de-energized tap-changer condition/ fault
- low oil level
- oil quality deterioration
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

Choices:
- low oil level
- winding distortion
- arcing/ electrical discharge
- moisture ingress/ content
- oil circulation system problem


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

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


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

Choices:
- external damage/ disturbance
- arcing/ electrical discharge
- winding looseness
- connection/ bushing faults
- moisture ingress/ content


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

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


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

Choices:
- de-energized tap-changer condition/ fault
- moisture ingress/ content
- arcing/ electrical discharge
- supply faults, e.g. excessive harmonics and over fluxing
- overheating/ auxiliary cooling system fault


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

Choices:
- oil quality deterioration
- core looseness
- connection/ bushing faults
- overheating/ auxiliary cooling system fault
- oil circulation system problem


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

Choices:
- oil quality deterioration
- connection/ bushing faults
- oil leak
- de-energized tap-changer condition/ fault
- low oil level


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

Choices:
- winding distortion
- external damage/ disturbance
- on-load tap-changer condition/ fault
- overheating/ auxiliary cooling system fault
- oil quality deterioration


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

Choices:
- through fault e.g. lightning strike
- oil quality deterioration
- de-energized tap-changer condition/ fault
- winding looseness
- core looseness


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

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


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

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


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

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


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

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


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

Choices:
- overheating/ auxiliary cooling system fault
- oil circulation system problem
- arcing/ electrical discharge
- winding distortion
- supply faults, e.g. excessive harmonics and over fluxing


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

Choices:
- arcing/ electrical discharge
- oil leak
- connection/ bushing faults
- overheating/ auxiliary cooling system fault
- external damage/ disturbance


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

Choices:
- oil leak
- overheating/ auxiliary cooling system fault
- insulation deterioration
- connection/ bushing faults
- through fault e.g. lightning strike


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

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


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

Choices:
- external damage/ disturbance
- through fault e.g. lightning strike
- core looseness
- arcing/ electrical discharge
- winding looseness


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

Choices:
- supply faults, e.g. excessive harmonics and over fluxing
- overheating/ auxiliary cooling system fault
- connection/ bushing faults
- arcing/ electrical discharge
- external damage/ disturbance


failure_mode_sensor_analysis

Question: In power transformer, which failure events are unimportant if the sensor ultrasound shows an abnormal reading?

Choices:
- through fault e.g. lightning strike
- low oil level
- core looseness
- supply faults, e.g. excessive harmonics and over fluxing
- connection/ bushing faults


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

Choices:
- arcing/ electrical discharge
- core looseness
- moisture ingress/ content
- on-load tap-changer condition/ fault
- winding looseness


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

Choices:
- overheating/ auxiliary cooling system fault
- on-load tap-changer condition/ fault
- winding looseness
- core looseness
- moisture ingress/ content


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

Choices:
- winding looseness
- winding distortion
- moisture ingress/ content
- de-energized tap-changer condition/ fault
- core looseness


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

Choices:
- de-energized tap-changer condition/ fault
- external damage/ disturbance
- moisture ingress/ content
- core looseness
- winding looseness


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

Choices:
- moisture ingress/ content
- through fault e.g. lightning strike
- de-energized tap-changer condition/ fault
- core looseness
- winding looseness


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

Choices:
- moisture ingress/ content
- de-energized tap-changer condition/ fault
- winding looseness
- core looseness
- supply faults, e.g. excessive harmonics and over fluxing


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

Choices:
- oil leak
- oil quality deterioration
- on-load tap-changer condition/ fault
- core looseness
- winding looseness


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

Choices:
- core looseness
- on-load tap-changer condition/ fault
- winding looseness
- external damage/ disturbance
- oil quality deterioration


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

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


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

Choices:
- arcing/ electrical discharge
- winding looseness
- core looseness
- oil circulation system problem
- on-load tap-changer condition/ fault


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

Choices:
- core looseness
- arcing/ electrical discharge
- winding distortion
- de-energized tap-changer condition/ fault
- winding looseness


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

Choices:
- arcing/ electrical discharge
- de-energized tap-changer condition/ fault
- oil leak
- winding looseness
- core looseness


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

Choices:
- core looseness
- arcing/ electrical discharge
- winding looseness
- de-energized tap-changer condition/ fault
- external damage/ disturbance


failure_mode_sensor_analysis

Question: When an abnormal reading is detected by the sensor vibration in power transformer, which failure events are not relevant?

Choices:
- de-energized tap-changer condition/ fault
- through fault e.g. lightning strike
- arcing/ electrical discharge
- core looseness
- winding looseness