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Research on system protection with local information to prevent power grid blackouts

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4 Author(s)
Wang Bin ; Dept. of Electr. Eng., Tsinghua Univ., Beijing, China ; Dong Xinzhou ; Liu Kun ; Cao RunBin

Aimed at power system large-scale blackouts, the paper firstly analyzes the existing problems of current protective relaying and emergency control in power grid. A novel system protection based on local information, protecting both the equipment and power system secure is then proposed, which scheme consists of: identification of fault flow transferring identification, adaptive overload protection and active load shedding strategy. The processes and system structure are introduced, and the following research points are also discussed in this paper.

Published in:

Advanced Power System Automation and Protection (APAP), 2011 International Conference on  (Volume:3 )

Date of Conference:

16-20 Oct. 2011