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A novel algorithm to determine minimum break point set for optimum cooperation of directional protection relays in multiloop networks

Jie Wang, Weiyong Yu, Feipeng Lu, 2006 .

Optimal Coordination of Directional Overcurrent Relays using Particle Swarm Optimization Technique

D. Sattianadan, A. Rathinam, K. P. Vijayakumar, 2010 .