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 ...

Violations of the National Electrical Code (NEC) regarding transformers are often encountered while performing electrical plan reviews. There are far too many NEC requirements to explain in just one ...

It is important for machine design engineers to understand how transformers work so they can design machinery that operates optimally within the proper voltage ranges, as well as select the right ...

As transformer consulting engineer at Doble Engineering Co., Juan Luis Thierry has the opportunity to inspect transformer factories around the world. He has seen up close manufacturing of both types ...

Transformers are the most efficient electrical devices used in different places. Unexpected voltage problems do arise frequently at houses, industries, hotels, and other places. Different types of ...

This test set uniquely combines winding resistance measurement, transformer turns ratio, tap changer dynamic resistance, core demagnetization, transformer type detection, magnetic balance, short ...