NDLI: Nonlinear power system component modeling using symbolically assisted computations

Content Provider	IEEE Xplore Digital Library
Author	Solodovnik, E. Cokkidnides, G. Dougal, R. Meliopoulos, A.P.S.
Copyright Year	2001
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Univ. of South Carolina, Columbia, SC, USA (Solodovnik, E.)
Abstract	A new technique has been developed that uses symbolically assisted computations to automatically construct time domain power system component models. The generated models are in the algebraic companion form (ACF). The ACF is a generalization of the resistive companion form that is widely used in time-domain simulators. It is based on a quadratic representation of the across/through variable relationship, which results in improved robustness and computational efficiency especially for large scale nonlinear system applications. Manual construction of ACF models is time consuming since it requires computation of both first and second partial derivatives of all through variables with respect to all across variables. This task is simplified using the automatic differentiation technique (ADT). This modeling tool has been implemented within the virtual test bed (VTB) simulation environment. The VTB is an interactive simulation environment which allows analysis of mixed discipline systems and provides advanced visualization capabilities. The ADT models allows users to easily generate their own efficient VTB models by just typing in the continuous domain differential equations expressing the through variables with respect to the across variables. In order to demonstrate the presented methodology, several examples of ADT generated ACF models are presented.
Sponsorship	Power Eng. Soc.
Starting Page	1439
Ending Page	1444
File Size	770943
Page Count	6
File Format	PDF
ISBN	0780371739
DOI	10.1109/PESS.2001.970287
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-07-15
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power system modeling Computational modeling Power system simulation Time domain analysis Robustness Computational efficiency Large-scale systems Nonlinear systems Testing Analytical models
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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