Method for identifying fragile lines in power grids based on electrical betweenness

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United States of America Patent

PATENT NO 11983472
APP PUB NO 20240054259A1
SERIAL NO

18191149

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Abstract

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Disclosed is a method for identifying fragile lines in power grid based on electrical betweenness, which comprises the following steps: constructing the power grid into a network diagram, sequentially removing lines in the network diagram, and sorting the electrical betweenness of each line from large to small; constructing a nonlinear model of complex network cascade failure considering overload and weighted edges, and respectively performing two ways of removing lines for sorted electrical betweenness, namely sequentially removing preset proportion lines and sequentially removing all lines until no new lines are removed in the network diagram; obtaining a change of generator-load power before and after each line removal, and evaluating a severity of power grid failure based on the change of generator-load power, thus completing an identification of power grid fragile lines.

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Patent Owner(s)

Patent OwnerAddress
HUNAN UNIVERSITY OF SCIENCE AND TECHNOLOGY411201 STONE HORSE HEAD IN YUHU DISTRICT XIANGTAN HUNAN XIANGTAN CITY HUNAN PROVINCE 411201

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Chaoyang Xiangtan, CN 7 0
Chen, Zuguo Xiangtan, CN 3 0
He, Li Xiangtan, CN 160 3521
Li, Pei Xiangtan, CN 110 412
Tan, Zhuangxi Xiangtan, CN 1 0
Wu, Xiaowen Xiangtan, CN 15 199
Zhou, Yong Xiangtan, CN 177 1511
Zou, Ying Xiangtan, CN 15 453

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