Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/29638
Title: Transient instability detection using line transient potential energy
Authors: Cai, GW
Chan, KW 
Cheng, HZ
Mu, G
Keywords: Dynamic security assessment
Transient instability detection
Transient stability analysis
Issue Date: 2004
Publisher: Taylor & Francis
Source: Electric power components and systems, 2004, v. 32, no. 6, p. 627-643 How to cite?
Journal: Electric power components and systems 
Abstract: Transient instability detection is investigated using a new analytical tool derived from the line transient potential energy. Instead of following the conventional approach of observing the rotor swings or comparing the critical energy and transient energy at fault clearing time, a new instability detection criterion based on the examination of the line potential energy along post-fault trajectory is developed. The main advantage of this method is that only local dynamic measurements of transmission line variables (power and phase angle differences) are required for detecting first- or multi-swing transient instability. Case studies on the 10 machine 39 bus IEEE test system showed that the proposed method is very effective and opens up new possibilities of studying transient stability and control using local transient network energy.
URI: http://hdl.handle.net/10397/29638
ISSN: 1532-5008
EISSN: 1532-5016
DOI: 10.1080/15325000490228379
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