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电网技术  2006 

基于广域测量的滑模TCSC控制器设计

, PP. 50-55

Keywords: 可控串补(TCSC),变结构控制,延迟,广域测量系统(WAMS),相量测量单元(PMU)

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Abstract:

广域测量系统为电力系统实现网络化控制提供了新的解决方案。文章对基于广域测量信号的可控串补(thyristorcontrolledseriescompensator,TCSC)系统进行了分析,建立了基于广域测量的TCSC系统模型。通过引入附加状态变量,将含有时滞的时滞系统转换为不含时滞的离散控制系统,并采用离散滑模控制的方法设计了状态反馈控制器,对克服控制器中的抖振问题提出了有效的解决方法。为验证所提出方法的有效性,对单机无穷大系统进行了仿真计算,表明该方法可以有效保持系统的稳定性。

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