Research Article Open Access

Generator Dynamic Performance Affected by Parameter’s Uncertainty

Akbar Beik Khormizi1, Mohammad Reza Aghamohammadi2 and Mina Rezaee2
  • 1 School of Electrical and Computer Engineering, McMaster University, Ontario, Hamilton, Canada
  • 2 Department of Electrical Engineering, Power and Water University of Technology, Tehran, Iran


This study investigates the effect of generator parameters inaccuracy on the transient stability performance of generator and power system. Normally, generator parameters are identified either by calculation based on design specification or by measurements. In both approaches the parameters are obtained with some degree of inaccuracy. Inaccuracy and uncertainty in the obtained parameters can affect the dynamic performance and transient behavior of synchronous generators in which this may affect transient stability evaluation of power systems. In this study by introducing a sensitivity analysis concept for dynamic performance of generator the effect of inaccuracy of generator parameters on the transient stability of power system is evaluated and the acceptable and tolerable inaccuracy in the identification of each parameter is analyzed. The proposed concept and approach is demonstrated on the IEEE 39-bus test.

American Journal of Applied Sciences
Volume 10 No. 6, 2013, 570-578


Submitted On: 31 October 2012 Published On: 8 June 2013

How to Cite: Khormizi, A. B., Aghamohammadi, M. R. & Rezaee, M. (2013). Generator Dynamic Performance Affected by Parameter’s Uncertainty. American Journal of Applied Sciences, 10(6), 570-578.

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  • Parameter Identification
  • Parameter Inaccuracy
  • Parameter Uncertainty
  • Dynamic Performance
  • Generator Parameters
  • Transient Stability
  • Sensitivity Analysis