The costliest piece of equipment in a substation is the Power Transformer. Therefore, a good maintenance program is required to keep these power transformers operating reliable. Over the past few ...

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 ...

Keywords: Earthquake engineering, Power Transformers, Seismic Protection, Base Isolation, Bushings Protection, Friction Pendulum Isolation, Rubber Bearing Isolation, Shake Table Experiments, Design ...

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 ...

Infrastructure firm Prolec and utility equipment firm Ubicquia have combined efforts to design and market what they call a fully integrated smart transformer. The new transformers deliver real-time ...

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 ...

Mitsubishi Electric, one of the world's leading manufacturers of large-scale electrical and HVAC systems has admitted to fraudulently conducting quality assurance tests on its transformers—for decades ...