Transformer Diagnostic Bulletin

The mission of the Transformer Diagnostic Bulletin is to provide a collection of unbiased technical documents (i.e. guides, PowerPoints, and papers), all relating to transformer testing. The Bulletin is always available to both customers and non-customers.

Keep in mind that the latest Bulletin includes all the material shared in the most recent and past Bulletins.

Join our mailing list to stay up-to-date when new information is released. As this content is focused on applications within Canada and the US, we ask only North American customers to join the newsletter. We welcome anyone to view the page.


Feature Article

A Transformer Testing Toolbox: Troubleshooting Checklists, Test Plans, and Analysis Tips

The intention of this “Toolbox” is to provide a document that can be revisited as questions and issues arise when testing transformers.  Try searching for commonly requested topics like,

  • Troubleshooting Power Factor
  • Electrostatic shield ground
  • Voltage regulator
  • Limits for natural ester
  • Troubleshooting DC Winding Resistance




Past Material

Courses Available

Learn more by attending one of our OMICRON Academy courses, in-person or virtually. 

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