Power transformers are often the main source of common-mode noise in isolated switching power converters. Why? Because inside the transformer, the windings on the primary and secondary sides of the ...

The Knoxville Utilities Board uses an OMICRON TESTRANO 600 test set to test a transformer with a single test set connection. Providing utility professionals with critical information related to the ...

Part 1 of this three-part series laid out an overview of a proposal to create a numerical health index and establish a practical program for power transformer maintenance. Part 2 breaks down each of ...

Update: This article has been updated to reflect the lightning impulse test facility at HICO's Memphis facility. Memphis is home to one of the largest transformer manufacturing sites in the country — ...