Adaptive Distance Protection Based on Various Network Models (CROSBI ID 95945)
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Skok, Srđan ; Marušić, Ante
engleski
Adaptive Distance Protection Based on Various Network Models
This paper elaborates settings and modification of the operating characteristic of adaptive distance relay which protects the transmission line between two terminals. Operating characteristic should have such shape to satisfy all conditions in power system. However it is known that there is no combination of characteristics which can satisfy all possible conditions. So the only solution is modification of the operating characteristic. Solution of this problem involves two types of neural networks, multilayered perceptron and the self-organizing neural network so called Kohonen network. Here we consider a two-terminal transmission line, confirm that fault resistance and location of faults can produce erroneous relay function and finally suggest ways to ensure the generation of the correct signal for relay operation. With the simple simulation it was presented advantages of the particular models and the credibility of the developed models.
System protection; Adaptive distance protection; Neural networks
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