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计及广域阻尼控制的PSS均匀通信时滞极限计算 被引量:3

Computing Delay Margin of PSS with Commensurate Communication Delay Considering Wide-area Damping Control
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摘要 为定量分析采用全局信号控制的电力系统稳定器(PSS)的时滞稳定性问题,利用扫频法对计及广域阻尼控制的2级PSS控制策略和PSS辅助区间阻尼控制进行数学建模,并计算出各自的时滞稳定极限,进而定量分析了时滞PSS系统的控制性能。算例验证了该方法的有效性和实用性。 The aim of this paper is to provide a quantitative stability analysis of a time-delay power system stabilizer (PSS) system with centralized wide-area control using additional global signals. Frequency-sweeping (FS) test is proposed to compute the delay margin of two-level PSS design and the system with additional inter-area damping, and the control performance is further estimated quantitatively. Simulation results verify the validity and pragmatism of the proposed method.
出处 《电力系统自动化》 EI CSCD 北大核心 2007年第22期16-20,共5页 Automation of Electric Power Systems
基金 国家自然科学基金重大项目(50595411) 教育部新世纪优秀人才支持计划资助项目(NCET-04-0529)~~
关键词 电力系统稳定器 时滞极限 均匀时滞 扫频法 线性定常时滞系统 power system stabilizer (PSS) delay margin commensurate delays frequency-sweeping test linear time-invariant time-delay systems
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参考文献25

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