Foundations of the potential energy boundary surface method for power system transient stability analysis
- 1 June 1988
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Circuits and Systems
- Vol. 35 (6) , 712-728
- https://doi.org/10.1109/31.1808
Abstract
A theoretical foundation is provided for the potential energy boundary surface (PEBS) method for power system transient stability analysis. First, a theory of stability boundaries for two classes of dynamical systems: generalized gradient systems and systems described by a second-order vector differential equation. A complete characterization of the stability boundaries of these two dynamical system classes is given, and a qualitative analysis is conducted of the stability boundary when the vector field of the system is under a certain kind of perturbation. Using these results, the PEBS method is evaluated. Conditions under which the PEBS method gives good stability assessments are derived. A modified PEBS method is suggested.<>Keywords
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