基于模式参与因子的电力系统动态稳定性分析

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Abstract Based on the differential algebraic equation for the dynamic analysis of power systems, the method which investigates the dynamic stability of power systems and distinguishes the instability types is presented in the paper. Firstly, the equilibrium manifold is traced by a continuation method with a prediction-correction process, and an adaptive step size control strategy considering the curvature of the manifold is introduced; Then the dynamic stability of each equilibrium point is analyzed using small disturbance analysis method considering the dynamics of components, and the state matrix of system is calculated by the numerical disturbance scheme. The modal participation factors of the state variables are used to distinguish the instability types easily. Finally, the proposed method is applied in the New England 10-generator 39-Bus power system. The simulation results checked with those obtained by time domain simulation method show that the proposed method is effective and practical.

Key words： Dynamic stability continuation method adaptive control small disturbance analysis modal participation factor

Received: 24 September 2007 Published: 14 February 2014

PACS:

TM713

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	Articles by authors
	Zhao Xingyong
	Zhang Xiubin
	Wang Jie

Cite this article:

Zhao Xingyong,Zhang Xiubin,Wang Jie. Dynamic Stability of Power System Based on Modal Participation Factor[J]. Transactions of China Electrotechnical Society, 2009, 24(6): 103-108.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2009/V24/I6/103

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