Abstract
Transient instabilities triggered by critical faults can lead to rapidly developing blackouts in power systems. With the data driven methods using synchrophasor measurements collected from PMUs, it is possible to predict the instabilities just after the clearance of a critical fault. In this study, the performance of a classifier to be used for an early prediction of transient instability is enhanced by modifying the loss function used during the offline training phase. This study proposes to assign weights to the terms in the binary crossentropy loss function associated with each class, as misclassification of different classes generally causes different costs to the utility and its customers. The proposed method is able to determine the optimum values of the weights according to a pre-selected tolerance value, which represents how far the accuracy is away from being acceptable. The efficacy of the proposed method is examined on the 127-bus WSCC test system.
Original language | English |
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Title of host publication | ELECO 2019 - 11th International Conference on Electrical and Electronics Engineering |
Publisher | Institute of Electrical and Electronics Engineers Inc. |
Pages | 141-145 |
Number of pages | 5 |
ISBN (Electronic) | 9786050112757 |
DOIs | |
Publication status | Published - Nov 2019 |
Event | 11th International Conference on Electrical and Electronics Engineering, ELECO 2019 - Bursa, Turkey Duration: 28 Nov 2019 → 30 Nov 2019 |
Publication series
Name | ELECO 2019 - 11th International Conference on Electrical and Electronics Engineering |
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Conference
Conference | 11th International Conference on Electrical and Electronics Engineering, ELECO 2019 |
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Country/Territory | Turkey |
City | Bursa |
Period | 28/11/19 → 30/11/19 |
Bibliographical note
Publisher Copyright:© 2019 Chamber of Turkish Electrical Engineers.
Funding
This work was supported by the Scientific and Technological Research Council of Turkey (TUBITAK) under grant number 118E184.
Funders | Funder number |
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TUBITAK | 118E184 |
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu |