Among the various diagnostic methods used to assess transformer condition, capacitance and Tan Delta testing has gained broad acceptance as an effective means of evaluating insulation health. By ...

For utilities, proper protection against high voltage transient overvoltages and overloads is critical to ensure maximum life of their power transformers. Failure to do so can result in significant ...

Elsco Transformers reports that choosing the right transformer size involves calculating kVA based on voltage and current for ...

In early 2019, a Dissolved Gas Analysis (DGA) was performed on all three single-phase 500 kV: 115 kV transformers at Tono Substation. One of the transformers was identified as nearing its end of life ...