Relais de perte de synchronisme par exploration de données
|Advisor:||Kamwa, Innocent; Le-Huy, Hoang|
|Abstract:||The goal of this document is to verify the feasability of an out-of-step relay using data mining and decision trees. Using EMTP-RV and the Anderson network, 180 simulations were done while changing the place of the short circuit, the length, the type and the load-flow. For these simulations, 39 electrical measures and 8 mechanical measures were made. These simulations were then classified as stable or instable using the center of inertia of angle and speed. With MATLAB, 33 new other variables were created by using the first 39, and then with KNIME, decisions trees such as C4.5, CART, ADABoost, ADTree and random forest were simulated and the sampling time versus the performances were compared. Using Consistency Subset Eval, Symmetrical Uncert Attribute Set Eval and Correlation-based Feature Subset Selection, the features were reduced and the simulations were visualised using the validation set. Results show that with a sampling frequency of 240 [Hz] and 28 variables is enough to obtain a mean area under the curve of 0.9591 for the training and the validation set of the 4 generators.|
|Document Type:||Mémoire de maîtrise|
|Open Access Date:||18 April 2018|
|Collection:||Thèses et mémoires|
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