Relay - Protective Relays

Protective Relays

For protection of electrical apparatus and transmission lines, electromechanical relays with accurate operating characteristics were used to detect overload, short-circuits, and other faults. While many such relays remain in use, digital devices now provide equivalent protective functions.

Read more about this topic:  Relay

Famous quotes containing the word protective:

    “How many wives have been forced by the death of well-intentioned but too protective husbands to face reality late in life, bewildered and frightened because they were strangers to it!”
    —Hortense Odlum (1892–?)