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	State estimation based branch parameter estimation method for power grid
	Ning Liao-yi ; Sun Hong-bin ; Wu Wen-chuan ; Zhang Bo-ming
	2010-10-12 ; 2010-10-12
关键词	Practical/ parameter estimation power grids power system control power system security/ state estimation branch parameter estimation method power system security early warning control system power grid parameter IEEE 9 China numerical instability Tabu search strategy/ B8110C Power system control B8140 Power system protection C3340H Control of electric power systems
中文摘要	Performance of a power system security early warning and control system depends on accuracy of power grid parameter to a great extent. It is important to develop a practical branch parameter estimation method. From the results of expanded state estimation application, which is a representative parameter estimation method proposed before, it often happened that the parameters could not be estimated or estimated imprecisely. Focusing on IEEE 9 and a real-life area power grid in China, deep research on expanded state estimation method is carried out. As a result, these numerical instability and local optimization problems existing in the method were found here. A novel parameter estimation method based on Tabu search strategy is proposed to overcome these problems existing in the expanded state estimation method. Its good behavior in numerical stability and global optimization is verified by numerical tests on IEEE 9 and the real-life area power grid in China.
语种	中文
出版者	Chinese Society for Electrical Engineering ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/82596]
专题	清华大学
推荐引用方式 GB/T 7714	Ning Liao-yi,Sun Hong-bin,Wu Wen-chuan,et al. State estimation based branch parameter estimation method for power grid[J],2010, 2010.
APA	Ning Liao-yi,Sun Hong-bin,Wu Wen-chuan,&Zhang Bo-ming.(2010).State estimation based branch parameter estimation method for power grid..
MLA	Ning Liao-yi,et al."State estimation based branch parameter estimation method for power grid".(2010).

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