Research Article
A Dynamic Integrated Fault Diagnosis Method for Power Transformers
Table 3
Evidence division from an economic point of view.
| Layer | Types of evidence | Diagnosis technologies |
| 1 | Abnormal working conditions | , , | Online monitoring information | , | Historical maintenance records | Historical information (~, ~) |
| 2 | Live tests | , , , |
| 3 | Outage tests | , , |
|
|