Implementation of genetic algorithm to find the optimal timing of overcurrent relays

This paper discusses a new approach to optimize overcurrent relay coordination in power distribution system by using a genetic algorithm. A modified objective function with constraints is taken to solve the relay coordination problem considering time setting and current setting multiplier. The result shows that the proposed method is fast, accurate and applicable compared to previous work proposed. In this study IEEE-8 bus system is tested to demonstrate the coordination and confirm that proposed approach method is practical.

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