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Les rA(c)seaux de distribution A(c)lectriques est une partie essentielle pour l'alimentation en A(c)nergie A(c)lectrique pour les diffA(c)rents consommateurs, sont considA(c)rA(c)s comme des infrastructures hautement critiques pour le dA(c)veloppement industriel et A(c)conomique de pays, mais il y a plusieurs anomalies, pour cela il faut installer un bon systA]me A(c)lectrique pour la protection de ce rA(c)seau. Les bonnes A(c)tudes des systA]mes de protection au rA(c)seau de distribution A(c)lectrique moyenne tension (MT) contre les courts-circuits entre phases ou phase A la terre assure A...

Power System Protection is the art and science of the application of devices that monitor the power line currents and voltages (relays) and generate signals to deenergize faulted sections of the power network by circuit breakers. Goal is to minimize damage to equipment and property that would be caused by system faults, if residues, and maintain the delivery of electrical energy to the consumers. Many types of protective relays are used to protect power system equipments, they are classified according to their operating principles; over current relay senses the extra (more than set) current...