Settings in Employing Simulation Tools for Fast Determination of Time to Voltage Instability

Document Type : Power Article

Authors

1 university

2 Iran University of Science & Technology

Abstract

Time domain simulation is an essential tool for dynamic security assessment in power system stability studies. Today, computational complexity is the concern that limits online applications of time domain simulation results. This paper proposes an engineering procedure for the use of computational time domain tools for acceleration in the time of estimating voltage instability time. For this purpose, three key parameters in the computational burden which are the computational time step, the reporting time step, and the number of reporting variables are investigated and the results of estimation time are compared for different values of these parameters. The results by an average processor have been shown that implementation of proposed procedure for Nordic32 can lead to a reduction in estimation time more than ninety percent of the instability detection time compared to the real instability time. This achievement gives the operator more time to decide, select and execute appropriate remedial actions.

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References

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Journal of Modeling in Engineering
Volume 16, Issue 55
December 2018
Pages 401-410

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History

  • Receive Date: 01 November 2017
  • Revise Date: 19 March 2018
  • Accept Date: 18 April 2018

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