IEEE Transactions on Power Systems, ( ISI ), Volume (18), No (3), Year (2003-8) , Pages (1103-1109)

Title : general nonlinear modal representation of large scale power systems ( General nonlinear modal representation of large scale power systems )

Authors: Mohammad Hassan Modir Shanehchi , Naser Pariz , ابراهیم واحدی ,

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In this paper an approach is devised to represent, and study the behavior of, nonlinear dynamic systems using general nonlinear modal representation. This approach is shown to compare favorably to the normal form of vector field technique, the other methodology used for this purpose, in that it is valid under resonance conditions and it does not require nonlinear transformation. By representing the system more accurately and in terms of its modes and their interactions, it would be better suited to be used for understanding and analyzing complex behavior of stressed power system and also in designing various controls for the system. This method can represent a nonlinear system with any order of nonlinearity and provides the solution to the system nonlinear differential equation employing Laplace transformation. The accuracy and robustness of the method has been validated using three systems two of which model realistic utility power systems under stressed conditions.


, Modal interaction, modal series method, normal forms of vector fields, stressed power system, system security
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author = {Modir Shanehchi, Mohammad Hassan and Pariz, Naser and ابراهیم واحدی},
title = {general nonlinear modal representation of large scale power systems},
journal = {IEEE Transactions on Power Systems},
year = {2003},
volume = {18},
number = {3},
month = {August},
issn = {0885-8950},
pages = {1103--1109},
numpages = {6},
keywords = {Modal interaction; modal series method; normal forms of vector fields; stressed power system; system security},


%0 Journal Article
%T general nonlinear modal representation of large scale power systems
%A Modir Shanehchi, Mohammad Hassan
%A Pariz, Naser
%A ابراهیم واحدی
%J IEEE Transactions on Power Systems
%@ 0885-8950
%D 2003