Selecting Method of FACTS Damping Controller Wide Area Control Signals Based on Dominant Mode Ratio

doi:10.11930/j.issn.1004-9649.2013.9.61.3

Abstract

Abstract: The paper introduces the method of dominant mode ratio to solve the problem of FACTS damping controller design and proposes a method for selecting the FACTS damping controller wide-area control signals based on dominant mode ratio. The dominant mode ratio indicator is proposed in the model of single input and output system. The indictor of complex system is calculated by using the PRONY identification method. The method is proved feasible in the standard 3 machine system. A case study was conducted in Sichuan and Chongqing power grid to improve the practicability of the SVC damping controller. The simulation shows that the method can improve the power system’s dynamic stability.

Key words: dominant mode ratio, damping controller, wide area control signal, system identification

CLC Number:

TM712

WANG Hua-xin, ZHAO Yong-xi. Selecting Method of FACTS Damping Controller Wide Area Control Signals Based on Dominant Mode Ratio[J]. Electric Power, 2013, 46(9): 61-64.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.2013.9.61.3

https://www.electricpower.com.cn/EN/Y2013/V46/I9/61

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