Transient stability improvement using the associate Hermite assisted prediction technique

B. L. Kokanos, G. G. Karady

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Researchers have investigated different techniques to improve damping for transient stability events. Off-line security analysis and day-ahead studies are scenarios where unacceptable damping levels for oscillatory instabilities may be detected. One type of correction to improve damping is to re-dispatch generation. In this paper, a new prediction method will use data from a conventional transient stability simulation to predict transient performance over an abbreviated observation window. Damping levels will be calculated using a simple iterative technique and the Stability Output Fourier Transformation method. If damping levels are found to be insufficiently small, improvement will be demonstrated after generation has been re-dispatched. Several examples will show that the new prediction method along with the damping calculation technique can estimate transient stability performance before and after implementing a re-dispatching scheme to improve damping.

Original languageEnglish (US)
Title of host publication2009 IEEE Bucharest PowerTech
Subtitle of host publicationInnovative Ideas Toward the Electrical Grid of the Future
DOIs
StatePublished - Dec 1 2009
Event2009 IEEE Bucharest PowerTech: Innovative Ideas Toward the Electrical Grid of the Future - Bucharest, Romania
Duration: Jun 28 2009Jul 2 2009

Publication series

Name2009 IEEE Bucharest PowerTech: Innovative Ideas Toward the Electrical Grid of the Future

Conference

Conference2009 IEEE Bucharest PowerTech: Innovative Ideas Toward the Electrical Grid of the Future
CountryRomania
CityBucharest
Period6/28/097/2/09

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Keywords

  • Associate Hermite expansion
  • Curve fitting
  • Generation re-dispatch
  • Oscillatory instabilities
  • Power systems
  • Security analysis
  • Transient stability

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Cite this

Kokanos, B. L., & Karady, G. G. (2009). Transient stability improvement using the associate Hermite assisted prediction technique. In 2009 IEEE Bucharest PowerTech: Innovative Ideas Toward the Electrical Grid of the Future [5281813] (2009 IEEE Bucharest PowerTech: Innovative Ideas Toward the Electrical Grid of the Future). https://doi.org/10.1109/PTC.2009.5281813