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基于广域测量信息的HVDC鲁棒控制器设计

, PP. 103-109

Keywords: 高压直流输电,暂态稳定,广域测量,鲁棒控制,不确定性,附加控制,惯量中心

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Abstract:

高压直流输电(highvoltagedirectcurrent,HVDC)附加控制可以提高交直流系统的稳定性,但由直流简化模型引起的误差、信号时滞及各种干扰给附加控制器的设计增加了需要考虑的不确定因素。为克服不确定因素的影响以提高交直流系统的稳定性水平,提出一种HVDC广域鲁棒控制器(widearearobustcontroller,WARC)设计方法。首先根据区域惯量中心的运动方程和滑模控制设计方法确定滑模切换面,然后利用李雅普诺夫稳定性定理保证系统在不确定因素

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