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Title: Study on probabilistic assessment method for power system transient stability
Authors: Cui, K
Fang, DZ
Chung, TS
Issue Date: 2005
Source: 電網技術 (Power system technology), 2005, v. 29, no. 1, p. 44-49
Abstract: It is difficult for conventional transient stability assessment method to reflect the stochastic property of power system faults. The probabilistic method for transient stability assessment is an important supplement to conventional method, but its calculation burden is too heavy. By means of analyzing the statistical property of the fault clearing time and the order of severity of different types of faults, a probabilistic assessment strategy of transient stability based on normalized transient energy function (NEF) is proposed in which the transient stability calculation of only a fraction of severe faults have to be conducted, so that the efficiency of transient stability probabilistic analysis can be improved remarkably. The results of calculation example of typical New England 10-machine 39- bus system show that the proposed assessment strategy is effective and practical.
Keywords: Normalized transient energy function
Power system
Probabilistic analysis
Transient stability
Publisher: 中國學術期刊(光盤版)電子雜誌社
Journal: 電網技術 (Power system technology) 
ISSN: 1000-3673
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