With any switchboard or switchgear lineup, you can order ammeters, voltmeters, frequency meters, etc. These meters come with factory-installed instrument transformers, which are needed to convert the ...

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 ...

A transformer protection relay does not replace upstream devices. It defines responsibility. By clearly assigning fault ...

WASHINGTON – For the past few years, the U.S. Department of the Interior has tested the effectiveness of electrical transformers that use vegetable oil instead of mineral oil to boost power production ...