H. K. Karegar
Electerical Engineering, Amirkabir University of Technology
[ 1 ] - A Novel Fuzzy and Artificial Neural Network Representation of Overcurrent Relay Characteristics
Accurate models of Overcurrent (OC) with inverse time relay characteristics play an important role for coordination of power system protection schemes. This paper proposes a new method for modeling OC relays curves. The model is based on fuzzy logic and artificial neural networks. The feed forward multilayer perceptron neural network is used to calculate operating times of OC relays for various...
[ 2 ] - A New Approach for Determination of Break Points for Protection Co-Ordination
Interconnected power system networks are multi loop structured. Settings determination of all over current and distance relays in such networks can be in different forms and complicated. The main problem is the determination of starting points i.e. the location of starting relays in the procedure for settings, which is referred to as break points. In this paper, a new approach based on graph th...
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