Dissolved Gas Analysis (DGA) is one of the most trusted diagnostic tools for assessing the internal condition of a ...

Transformers are very reliable devices and can provide service for a long time if regularly maintained and serviced. They’re also the single most costly item in any substation. To protect against ...

For the PDF version of this article, click here. The size, performance and cost of a power electronic system are closely linked to the like parameters of the magnetic components. Since custom power ...

I’m sure many readers would question why anyone would want to perform a relatively expensive insulation power factor test on an inexpensive transformer. Typically, if any testing is done, it will be ...

The EZCT-S2 from Vanguard Instruments is a second-generation, microprocessor-based, current transformer set. The EZCT-S2 will perform the current transformer saturation test and the CT (current ...