NDLI: Branch transient vulnerability assessment based on the transient energy function and complex network

Content Provider	IEEE Xplore Digital Library
Author	Huang Yan Li Hua-qiang Li Qian Zheng Guo
Copyright Year	2014
Description	Author affiliation: Electr. Eng. & Inf. Dept., Sichuan Univ., Chengdu, China (Huang Yan; Li Hua-qiang; Li Qian; Zheng Guo)
Abstract	In recent years, with the continuous expansion of the grid-scale, the system components are becoming more and more complex. Considering that the consequence of instability after power system subjected to large disturbance is very serious, even leads to catastrophic accidents. This paper uses multi-machine power system transient energy function based on the structure preserving models to get potential energy of each branch. Then combine with the directed electric betweenness of complex network, which fully considering the impact of generator output changes to branch power flow. Calculate branch state vulnerability and the importance degree of branch in the system. Finally build a comprehensive vulnerability index to assess the branch transient vulnerability, which considers both the state factor and the structure factor. Simulation results on the 6 machine system by calculating and sorting the vulnerability index of branch prove that the effectiveness and rationality of the proposed method.
Starting Page	91
Ending Page	96
File Size	616205
Page Count	6
File Format	PDF
ISBN	9781479950324
DOI	10.1109/POWERCON.2014.6993529
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-10-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power system stability Transient analysis Generators Potential energy Stability analysis Indexes vulnerability assessment transmission line transient energy function directed electric betweenness
Content Type	Text
Resource Type	Article

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