NDLI: Improving the accuracy of normal form analysis

Content Provider	IEEE Xplore Digital Library
Author	Kshatriya, N. Annakkage, U.D. Gole, A.M. Fernando, I.T.
Copyright Year	1969
Abstract	In second-order normal form (NF) analysis, the nonlinear dynamical system being analyzed is modeled with nonlinearities up to second order. Due to the presence of nonlinearities in the model, the results of second order NF analysis are initial condition dependent , . There are two assumptions in the theory of NF analysis and in this paper it has been shown that if the initial condition chosen do not satisfy these two main assumptions, then NF analysis is inaccurate. This paper also proposes three criteria to identify whether the initial condition satisfies one of the assumptions or not. This paper proposes to use a snap shot of state variables at an instant subsequent to the clearing of disturbance in situations where the state variables immediately after clearing the disturbance is not suitable for NF analysis. The time-domain simulations are presented to support the analysis.
Sponsorship	IEEE Power Engineering Society
Starting Page	286
Ending Page	293
Page Count	8
File Size	320598
File Format	PDF
ISSN	08858950
Volume Number	20
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Noise measurement Power system dynamics Power system analysis computing Power system modeling Time domain analysis Nonlinear dynamical systems Power system simulation Power system stability State-space methods Analytical models power system dynamics Linear analysis nonlinear analysis normal form analysis
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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