NDLI: Periodic steady-state analysis of large-scale electric systems using Poincare/spl acute/ map and parallel processing

Content Provider	IEEE Xplore Digital Library
Author	Garcia, N. Acha, E.
Copyright Year	1969
Abstract	An advanced time-domain representation suitable for accelerated periodic, steady-state solutions of large-scale electric power systems is introduced in this paper. The power system, which is three-phase in nature, is modeled by a set of ordinary differential equations. In addition to the all-important transmission lines' geometric imbalances, frequency-dependency and long-line effects, the transformers' saturation characteristics are also incorporated. In order to provide realistic initial conditions, the data needed for the modeling of the electric system is obtained from power-flow studies. The time domain solution of the overall set of differential equations is computed very reliably using a powerful blend of Newton methods and parallel processing techniques. Whereas the computation of the periodic steady-state solution is obtained with an acceleration procedure based on Newton methods and the Poincare/spl acute/ map, the application of parallel processing techniques using multithread programming speeds up further the time taken by the acceleration process to get to the periodic, steady-state solution. To show the effectiveness and versatility of the newly developed environment, transient and steady-state analysis are carried-out for a three-phase version of the IEEE 118-node system, where nonlinearities are incorporated in the form of the transformers' saturation characteristics and a static var compensator.
Sponsorship	IEEE Power Engineering Society
Starting Page	1784
Ending Page	1793
Page Count	10
File Size	466549
File Format	PDF
ISSN	08858950
Volume Number	19
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Steady-state Large-scale systems Parallel processing Acceleration Power system modeling Differential equations Transformers Concurrent computing Newton method Transient analysis PoincarÉ map Harmonics limit cycle multithread programming Newton methods parallel processing periodic steady-state
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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