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	Quadratic approximation analysis of static voltage stability region boundary
	Wang Gang ; Zhang Xue-min ; Mei Sheng-wei
	2010-10-12 ; 2010-10-12
关键词	Practical Theoretical or Mathematical/ approximation theory power system security power system stability/ quadratic approximation analysis static voltage stability region boundary approximate voltage stability region boundary linear approximation method analytical quadratic approximation power system security/ B8110C Power system control B0290F Interpolation and function approximation (numerical analysis)
中文摘要	The algorithm of quadratic approximation of static voltage stability region boundary and practical static voltage stability region boundary in injection space based on implicit function derivative method was presented, which could approximate voltage stability region boundary more accurately in a much larger scope than current linear approximation method and determine the convex and concave characteristics of voltage stability region boundary. Also, the analytical quadratic approximation of voltage stability region boundary in line space was presented through the secondary partial derivative of state variables to parameter variables, which could derive the analytical quadratic approximation of voltage stability region boundary in cut-set space. Based on these methods, the visualization of static voltage stability region could be achieved to direct security operation of power system. The algorithm has been validated by the simulation result of IEEE-9 and IEEE-39 bus system.
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/123456789/82406]
专题	清华大学
推荐引用方式 GB/T 7714	Wang Gang,Zhang Xue-min,Mei Sheng-wei. Quadratic approximation analysis of static voltage stability region boundary[J],2010, 2010.
APA	Wang Gang,Zhang Xue-min,&Mei Sheng-wei.(2010).Quadratic approximation analysis of static voltage stability region boundary..
MLA	Wang Gang,et al."Quadratic approximation analysis of static voltage stability region boundary".(2010).

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