Abstract: This paper describes a new one-cycle directional overcurrent relay which is not limited in its application by lack of contact co-ordination. That contact co-ordination is important is ...

An overcurrent relay is a protective device that detects excessive current flow and triggers circuit breakers to prevent damage. Commonly used in power systems, it safeguards equipment from faults, ...

This 'back-to-the-basics' video that explains how non-directional overcurrent works. It shows the difference between a fuse and an overcurrent protections scheme with current transformer, relay and ...

The 5-inch, 800-by-480-pixel color touchscreen display lets users seamlessly navigate to the various folders and application options. Users can create custom bay screens exhibiting one-line diagrams, ...

Schweitzer Engineering Laboratories, Inc. has added an optional touchscreen display to the SEL-751 Feeder Protection Relay that allows users to easily navigate settings options and create custom bay ...