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Title: Online power system dynamic security assessment with incomplete PMU measurements : a robust white-box model
Authors: Zhang, Yuchen
Xu, Yan
Bu, Siqi
Dong, Zhao Yang
Zhang, Rui
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2019
Source: Zhang, Y., Xu, Y., Bu, S., Dong, Z. Y. & Zhang, R. (2019). Online power system dynamic security assessment with incomplete PMU measurements : a robust white-box model. IET Generation, Transmission and Distribution, 13(5), 662-668.
Journal: IET Generation, Transmission and Distribution
Abstract: With the development of synchronised measurement technique, online dynamic security assessment (DSA) is of great significance to prevent power system blackout. Recently, based on the phasor measurement unit (PMU) data, intelligent data-driven techniques have been rapidly developed for online DSA owing to their fast decision speed, less data requirement, and decision rule discovery ability. The interpretable decision rules provide useful information for preventive control and post-event auditing. However, in case of incomplete measurement events, such as PMU failure, communication loss, and phasor data concentrator failure, the accuracy and the transparency of the intelligent models can be significantly impaired by such incomplete data. To overcome this problem, this paper proposes a robust white-box model that can sustain DSA accuracy and survive the model interpretability and transparency against incomplete PMU data. The proposed model is tested on New England 39-bus system and demonstrates higher robustness over existing methods.
ISSN: 1751-8687
DOI: 10.1049/iet-gtd.2018.6241
Rights: © 2018 The Institution of Engineering and Technology. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:EEE Journal Articles

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