NDLI: Vulnerability assessment of bulk power grid based on complex network theory

Content Provider	IEEE Xplore Digital Library
Author	Zhang Guohua Wang Ce Zhang Jianhua Yang Jingyan Zhang Yin Duan Manyin
Copyright Year	2008
Description	Author affiliation: Key Lab. of Power Syst. Protection & Dynamic Security Monitoring & Control under Minist. of Educ., North China Electr. Power Univ., Beijing (Zhang Guohua; Wang Ce; Zhang Jianhua; Yang Jingyan; Zhang Yin; Duan Manyin)
Abstract	The vulnerability assessment algorithm of the bulk power grid based on complex network theory is proposed in this paper. The traditional research model of the power grid based on complex network theory is a graph with no direction and no weight at present. Because this model is far from the real power system, sometimes the wrong results may be gotten. In this paper, the models of components in the power grid are constructed detailedly, furthermore the weighted and directional graph is provided. First, the connecting formings among buses (instead in the traditional methods only substations are considered), lines, transformers and generators are simulated detailedly. Second, the power flow direction in the power grid is considered, and the components' tolerance to disturbances is also considered. Based on the proposed model, the power grid's tolerance to errors and attacks is analyzed. The key components and weak areas are indicated. At last, the robustness and fault dissemination mechanism of the power grid under cascading failures are analyzed based on the proposed method. The North China power grid is used as an example to validate the proposed method.
Starting Page	1554
Ending Page	1558
File Size	462696
Page Count	5
File Format	PDF
ISBN	9787900714138
DOI	10.1109/DRPT.2008.4523652
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-04-06
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	DRPT
Subject Keyword	Power grids Complex networks Power system modeling Joining processes Substations Transformers Load flow Robustness Power system faults Power system protection vulnerability assessment cascading failures complex network weighted and directional graph
Content Type	Text
Resource Type	Article

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