| 计及广域阻尼控制的PSS均匀通信时滞极限计算 |
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| 引用本文： | 刘梅招,辛焕海,甘德强. 计及广域阻尼控制的PSS均匀通信时滞极限计算[J]. 电力系统自动化, 2007, 31(22): 16-20 |
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| 作者姓名： | 刘梅招 辛焕海 甘德强 |
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| 作者单位： | 浙江大学电气工程学院,浙江省杭州市,310027;浙江大学电气工程学院,浙江省杭州市,310027;浙江大学电气工程学院,浙江省杭州市,310027 |
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| 基金项目： | 国家自然科学基金重大项目 |
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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。
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| 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 |
| 收稿时间： | 2007-05-15 |
| 修稿时间： | 2007-05-15 |
Computing Delay Margin of PSS with Commensurate Communication Delay Considering Wide-area Damping Control |
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| LIU Meizhao,XIN Huanhai,GAN Deqiang. Computing Delay Margin of PSS with Commensurate Communication Delay Considering Wide-area Damping Control[J]. Automation of Electric Power Systems, 2007, 31(22): 16-20 |
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| Authors: | LIU Meizhao XIN Huanhai GAN Deqiang |
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| Affiliation: | Zhejiang University, Hangzhou 310027, China |
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| Abstract: | 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. |
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| Keywords: | power system stabilizer(PSS) delay margin commensurate delays frequency-sweeping test linear time-invariant time-delay systems |
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