Patent ID: 8392129

Claim:
A method ( 1 ) for managing a fault event in a network for distributing electrical energy ( 100 ), said distribution network comprising at least one voltage source ( 101 ) and a load ( 102 ), said method comprising: performing at least one step ( 11 ) of a first procedure for detecting the existence of fault conditions in said load and performing at least one step ( 15 ) of a second procedure for determining, on the basis of the evolution in time of the derivative of the instantaneous current in said load, the state of execution of an interruption manoeuvre started by at least one protection device ( 103 , 103 A-C) adapted to interrupt the passage of current in said load locally, said second procedure comprising the following steps: a″) acquiring data ( 203 A) indicating the evolution in time of the derivative of the instantaneous current in said load; b″) comparing the data acquired in said step a″) with a predefined upper threshold value of current derivative TH 2 , 12 103B that is characteristic of said protection device; and c″) terminating said second procedure and generating an opening-command signal (TC), if the data acquired in said step a″) are higher than said upper threshold value, said opening-command signal (TC) operable to trip one of said at least one protection devices.