Evaluation Method of Voltage Stability Based on Minimum Singular Value

Abstract:

When the system reaches the static voltage stability limit point, Jacobian matrix is singular. By checking if minimum singular value is zero, its very easy to determine whether or not Jacobian matrix is singular. So the minimum singular value of Jacobian matrix can reflects the degree of system voltage stability effectively. Firstly this paper introduces singular value decomposition, analyses load characteristic and excitation limits involved in this method and examples on PSD-FDS are demonstrated. At last, suggestion on voltage stability monitoring by minimum singular value is proposed.

• Periodical: Applied Mechanics and Materials (Volumes 511-512)
• Pages: 1128-1132
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.511-512.1128
• Online since: February 2014
• Authors: Bing Liu, Ying Wang, Zhen Yang, Yun Wei Li, Hua Zhi Xie, Yan Zhang, Wen Chao Zhang, Xiang Yang Deng, Cheng Ming He
• Keywords: Excitation Limits, Load Characteristic, Minimum Singular Value, Voltage Stability

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