NDLI: Dynamic equivalents of power stations for optimal control of power system security

Content Provider	IEEE Xplore Digital Library
Author	Lo, K.L. Qi, Z.Z. Urqhart, B.
Copyright Year	1993
Description	Author affiliation: Dept. of Electron. & Electr. Eng., Strathclyde Univ., Glasgow, UK (Lo, K.L.; Qi, Z.Z.)
Abstract	In order to obtain a fast and optimal control scheme of power system security, dispatchers usually use the detailed representation of the study system and dynamic equivalents of the external system for dynamic security analysis. This paper presents a time-domain aggregation method using structure constraints for dynamic aggregation of generating units/power stations. All generating unit components are aggregated so as to obtain a corresponding equivalent model having a desired structure of coefficient matrices in a time-domain representation. The equivalent parameters are identified by the structure preservation of coefficient matrices. In this way the equivalent models of power stations in the external system can directly be used for the dynamic security analysis of the study system. As a result a fast and optimal control scheme of the system can be carried out efficiently. The proposed method is one of the key steps in constructing the optimal control scheme of power system security. The corresponding program is validated on a sample power system.
Starting Page	456
Ending Page	461
File Size	438915
Page Count	6
File Format	PDF
ISBN	0780309111
DOI	10.1109/ICSMC.1993.384914
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1993-10-17
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power system dynamics Power generation Optimal control Power system security Power system interconnection Power system reliability Power system modeling Power system analysis computing Information security Steady-state
Content Type	Text
Resource Type	Article

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