Static and Dynamic Nonlinear Loads and Structural Stability in Power Systems

M. A. Pai, Peter W. Sauer, Bernard C. Lesieutre

Research output: Contribution to journalArticlepeer-review


In this paper, we review the basic concepts of structural stability theory and show its application to multimachine power systems. Specifically we establish a connection between structural stability and bifurcation theory. We examine the effect of nonlinear loads as well as different sizes of induction motor loads on the structural stability limits. Detailed generator models are used in the study throughout. We conclude that in studying structural stability, load modeling is a crucial factor and needs more research.

Original languageEnglish (US)
Pages (from-to)1562-1572
Number of pages11
JournalProceedings of the IEEE
Issue number11
StatePublished - Nov 1995
Externally publishedYes

ASJC Scopus subject areas

  • General Computer Science
  • Electrical and Electronic Engineering


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