NDLI: Development of the dynamic equivalent model for large power system

Content Provider	IEEE Xplore Digital Library
Author	Jin-Yi Kim Dong-Jun Won Seung-Il Moon
Copyright Year	2001
Description	Author affiliation: Sch. of Electr. & Comput. Eng., Seoul Nat. Univ., South Korea (Jin-Yi Kim)
Abstract	This paper presents a procedure to construct an equivalent model of a large power system based on nonlinear time simulation responses. It consists of coherency identification, generator aggregation and network reduction. A coherency index that can be directly implemented to this procedure is proposed. Generator aggregation based on the detailed model is performed. This procedure can be used to construct an equivalent model in PSS/E. It is also possible to reduce the large power system directly from the nonlinear time responses. This procedure is applied to the transient stability analysis of the Korea power system that is now experiencing rapid changes. The equivalent model is compared with the original model in terms of its size, accuracy, speed and performance. This paper shows that the developed equivalent model is a good estimate of the original system.
Sponsorship	Power Eng. Soc.
Starting Page	973
Ending Page	977
File Size	522845
Page Count	5
File Format	PDF
ISBN	0780371739
DOI	10.1109/PESS.2001.970188
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 dynamics Power system modeling Power system simulation Power system stability Power system transients PSCAD Power system analysis computing Power system interconnection Nonlinear dynamical systems HVDC transmission
Content Type	Text
Resource Type	Article

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