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| Identification of Critical Nodes in a Power Network with Considering the Network Dynamics |
| FU Jie, ZOU Yanli, XIE Rong
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| College of Electronic Engineering, Guangxi Normal University, The Guangxi Zhuang Autonomous Region Guilin 541004, China |
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Abstract In this paper, in order to effectively discover the important links in a network, a method of identifying critical nodes in a power network is proposed, which is based on the network structure and the node dynamics. This method combines two kinds of existing node importance evaluation indicators, which are the degree centrality and the closeness centrality, at the same time, defines two evaluation indicators considering the network dynamics. The importance of a node is determined by comprehensive considering the influence of four kinds of evaluation indicators, which overcomes the one sidedness of single evaluation indicator, can get the more accurate node importance evaluation result than using single evaluation indicator. Simulation test on IEEE14 and IEEE57 node systems verifies the rationality and effectiveness of the proposed method.
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Received: 25 May 2016
Published: 25 February 2025
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