A Novel Approach for Fast Prediction of Transient Angle Stability Status in Power Systems

Document Type : -

Authors

Department of Electrical Engineering, Sahand University of Technology

Abstract

In this paper a novel approach is proposed to predict transient angle stability status without using post-fault data. Since this algorithm uses data measured before the fault clearance, it has the ability to quickly predict the stability status and hence, it provides proper opportunity for system operators and/or special protection systems to implement timely corrective actions to prevent instability and confront malicious attacks. In this method, those measurements provided by Phasor Measurement Units (PMUs) are applied as input to the algorithm to calculate the proposed feature set and apply them to a classifier (Decision Tree or Support Vector Machine) in order to predict the stability status. The results of simulations performed in IEEE 14-bus, IEEE 39-bus, and 16-Machine (68-bus) test systems and comparison of them with previous ones reveal that although the proposed method requires less PMUs, it can predict the stability status more accurately and is an appropriate tool to assess the system security.

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References

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Journal of Advanced Defense Science & Technology
Volume 11, Issue 3 - Serial Number 41
November 2020
Pages 309-324

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History

  • Receive Date: 13 July 2019
  • Revise Date: 10 November 2019
  • Accept Date: 28 June 2020
  • Publish Date: 22 September 2020

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