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Example of fault management in a medium-voltage (MV)network according to the logic selectivity paradigm.
(a) Healthy conditions.
(b) Fault between protection relay 2 (PR2) and PR3; transmission of blind signals.
(c) Circuit breaker 2 (CB2) tripping, and transmission of the Trip signal to PR3.
(D) CB3 tripping and transmission of the Close signal to Tie recloser (TR).
