Electrica signature analysis (ESA) uses the magnetic field in the air gap of an electrical machine to evaluate power quality conditions. Dry and oil transofrmer types are subject to problems ...

You can purchase test equipment that will allow you to examine the loop gain and loop phase properties of an operating feedback loop and, that purchased equipment will deliver useful results over a ...

Qualitrol has released the next generation of Smart Breather for power transformers. The STB000 series of breathers represents the latest in technology to keep a conservator-style transformer dry by ...

More efficient transformers consume less energy and significantly cut costs. Sometimes when a dry transformer fails, the cause is identified as heat. So the unit is replaced with one that has a lower ...

In a specialised application on a coal mine, Trafo Power Solutions recently supplied a dry-type transformer mounted on a mobile skid. “The harsh environment of a coal mine required us to specially ...

Power transformers are one of the most critical and expensive assets in electric transmission and distribution. An in-service transformer failure can have far-reaching consequences: extended outages, ...

The steady uptake of dry-type transformers in the African market is being driven by the range of advantages offered by this technology, argues David Claassen, managing director of dry-type transformer ...