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MOU Shan-ke, DING Tao, GU Wei, et al. An Improved Algorithm for On-line Tracking Thevenin Equivalent Parameters Based on Deviation Correction. Power System Protection and Control. 2011, 39(02):24-28.

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Article

Research on Dynamic Thevenin Equivalence Method Based on Deviation Correction

1Electrical & Automation Engineering, Nanjing Normal University, Nanjing, China

2Electrical Engineering, South East University, Nanjing, China


American Journal of Electrical and Electronic Engineering. 2017, Vol. 5 No. 6, 195-201
DOI: 10.12691/ajeee-5-6-1
Copyright © 2017 Science and Education Publishing

Cite this paper:
Wang Ying, Ma Gang, Tang Yi. Research on Dynamic Thevenin Equivalence Method Based on Deviation Correction. American Journal of Electrical and Electronic Engineering. 2017; 5(6):195-201. doi: 10.12691/ajeee-5-6-1.

Correspondence to: Ma  Gang, Electrical & Automation Engineering, Nanjing Normal University, Nanjing, China. Email: hdmagang@163.com

Abstract

As one of the core algorithms for safety and stability evaluation of the power grid, the method has been used by many scholars to analyze and control the stability of power grid. A method based on deviation correction is studied to track Thevenin equivalent parameters. This is an iterative algorithm based on the correction of the amount of deviation. The direction of the correction is determined based on the real-time data, and the parameters of the real-time estimation are obtained by iterative correction of the Thevenin equivalent parameter. It is possible to accurately track the Thevenin equivalent parameters when the system is disturbed to achieve an accurate analysis of the voltage stability.

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