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Power system on-line security assessment based on global fuzzy index
Author(s): 
Pages: 93-98
Year: Issue:  18
Journal: Relay

Abstract: 提出并建立了在线评估电力系统安全性的方法.首先建立电力系统元件的模糊隶属度函数,获取其安全隶属度(SMG);然后通过建立的2阶模糊控制器,分别得到发电方,输电方和负荷部分的最小安全隶属度( SSMG),最后综合输出全局模糊指标.其中运用梯形模糊集求取系统关键元件模糊隶属度,不同于针对最脆弱系统状态进行离线筛选的传统方法,适应电力系统多样性特点,能连续不断量化电力系统的安全状态,可根据潮流实时数据、...
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