Case studies are an important part of investigating and learning how to improve transformer health and prevent failures. The following case studies are based on contemporary and generally accepted methods of analysis. Click on the links below to go to the specific case studies.
Dissolved Gas Analysis in Transformers: A Case Study Approach
The following Case Study is conducted on two power transformer failures as presented by authors…
Power Transformer Case Study with LEDT Method Analysis | ICPEI 2020
The following power transformer case study is based on the paper as presented at the…
Case Study: 390 MVA GSU Transformer Failure Analysis
Background On the 15 May 2005 this 390 MVA GSU transformer failed. During the previous…
Investigation into Combustible Gases in Selector of Tap Changer
The following report highlights the problem of the production of combustible gases in the selector…
Early Fault Detection in Power Transformers: Case Study Analysis
Background After running under elevated gas levels the transformer was taken out of service for…
Analyzing the Influence of Geomagnetic Storms on Power Transformer Condition
Background A 700 MVA GSU transformer indicated increasing gassing trends before shut down in 2004 for…