How well do you know the basics of how protective relays are configured, how they operate, and how to test them? Take this quiz and check your knowledge. Our thanks to AVO Training Institute for ...

The relay's primary appeal is its ability to do a lesser-switch's bidding but it's capable of so much more. Relays can be wired together to create very useful, simple, and utterly reliable networks.

ISA has announced the new DRTS 66, a powerful and accurate test set for protective relays, energy meters (class 0.1), transducers and power quality meters. The unit is controlled from the front panel ...

Relays are electromechanical devices that use a magnetic solenoid to actual a switch. When current is passed through the solenoid coil, it produces a magnetic field. The magnetic field is strengthened ...

The OMICRON CMC 365 offers automated testing of any type of protection relay and more than 400 free test templates. Ben Vincent, Relay Tech at with Groton Utilities, Connecticut, talks about his ...