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Transient stability assessment based on data-structure analysis of operating point space

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5 Author(s)
Yan Xu ; Dept. of Electr. Eng., Hong Kong Polytech. Univ., Kowloon, China ; Zhao Yang Dong ; Junhua Zhao ; Ke Meng
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A number of characteristics of power system is hidden in the operating point space, including the stability aspect. This paper presents a data-structure analysis of the operating point space scheme for power system transient stability assessment (TSA) with the adoption of RELIEF, which is an attribute estimation method capable of evaluating the ability of attributes to discriminate in different classes. The stability characteristic of power system can be approximated by those attributes with high RELIEF weights, and the TSA can then be converted into a classification process in the approximate operating point space. By testing on New England 39-bus system, we demonstrate the scheme can effectively approximate the stability characteristic of power system and perform a highly accurate transient stability assessment.

Published in:

Power and Energy Society General Meeting, 2010 IEEE

Date of Conference:

25-29 July 2010