| Definition: | an arrangement of one or more protection equipments, and other devices intended to perform one or more specified protection functions
NOTE 1 – A protection system includes one or more protection equipments, instrument transformer(s), wiring, tripping circuit(s), auxiliary supply(s) and, where provided, communication system(s). Depending upon the principle(s) of the protection system, it may include one end or all ends of the protected section and, possibly, automatic reclosing equipment.
NOTE 2 – The circuit-breaker(s) are excluded.
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