Maintenance of all the equipment that goes into a substation requires specialized knowledge of the various systems and components. Here's a quiz to freshen you up on the basics, second of two parts.

Obtaining reliable data from electric utilities about magnitude and duration of single-phase, line-to-ground fault currents at the service entrance of commercial and industrial facilities is of ...

The second largest distribution system operator in Sweden, Ellevio AB, has installed equipment for the monitoring and communications of six secondary 11/0.4-kV substations in Stockholm’s emerging ...