Local Identification of Voltage Emergency Situations

Vournas, Costas; Van Cutsem, Thierry

doi:10.1109/TPWRS.2008.926425

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Article (Scientific journals)

Local Identification of Voltage Emergency Situations

Vournas, Costas; Van Cutsem, Thierry

2008 • In IEEE Transactions on Power Systems, 23 (3), p. 1239-1248

Peer Reviewed verified by ORBi

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https://hdl.handle.net/2268/3194

DOI
10.1109/TPWRS.2008.926425

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Keywords :

Emergency detection; load tap changer; long-term voltage stability; overexcitation limiter; voltage collapse

Abstract :

[en] This paper proposes a simple procedure to identify the onset of long-term voltage instability from the time evolution of the distribution voltages controlled by load tap changers. The moving average of sampled measurements is computed and used to trigger local emergency signals. The method is validated on voltage signals obtained from time simulation of a realistic test system. The ability to identify instability in the critical area is demonstrated in three test cases.

Disciplines :

Electrical & electronics engineering

Author, co-author :

Vournas, Costas

Van Cutsem, Thierry ; Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation

Language :

English

Title :

Local Identification of Voltage Emergency Situations

Publication date :

August 2008

Journal title :

IEEE Transactions on Power Systems

ISSN :

0885-8950

Publisher :

IEEE, Piscataway, United States

Volume :

Issue :

Pages :

1239-1248

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

http://ieeexplore.ieee.org/Xplore/guesthome.jsp

Funders :

F.R.S.-FNRS - Fonds de la Recherche Scientifique

Commentary :

(c)2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

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since 31 December 2008

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Bibliography

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