NDLI: Weak transmission sections fast searching and identification method in online stability assessment

Content Provider	IEEE Xplore Digital Library
Author	Hou Junxian Han Minxiao Dong Yifeng Wang Yi Bu Guangquan
Copyright Year	2014
Description	Author affiliation: China Electr. Power Res. Inst., Beijing, China (Dong Yifeng; Wang Yi; Bu Guangquan) \|\| North China Electr. Power Univ., Beijing, China (Hou Junxian; Han Minxiao)
Abstract	With the formation of ultra high voltage AC/DC power network, the inherent characteristic of China power grid becomes increasingly complicated. Online stability assessment is one of the effective method to understand the system status in time. To improve power system stability with radical change, it is necessary to automatically identify the weak transmission sections. The paper presents the weak transmission sections fast searching and identification method, which include the fast transmission section searching and weak transmission section identification. The system is simplified by merging load area to node before searching. The section searching is based on the power-out lines and employs the subnet automatic combination technique. The weak section identification mainly concerns the influence of topology change including one line disconnection and one corridor disconnection. The north China and central China interconnected power system is used as an example to verify the application of the proposed method.
Sponsorship	IEEE Sapporo Sect.
Starting Page	1918
Ending Page	1922
File Size	96202
Page Count	5
File Format	PDF
ISBN	9781479931965
e-ISBN	9781479931972
DOI	10.1109/InfoSEEE.2014.6946257
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-04-26
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power system Power system transients Weak transmission section Power system stability Stability analysis Generators Online stability assessment Topology Impedance Load flow
Content Type	Text
Resource Type	Article

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