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An approach of power grid security comprehensive assessment based on credibility theory
Author(s): 
Pages: 80-87
Year: Issue:  18
Journal: Relay

Keyword:  安全性综合评价可信性理论电力系统;
Abstract: 现代电力系统自身的复杂性,决定其安全水平很难用单一的指标进行表征,而常规安全分析通常只能就电力系统安全的某一方面进行分析,不足以对电力系统安全进行整体的描述.从我国电网实际需求出发,建立了一套用以评价电力系统安全性的指标体系,提出了一种在评价模型中引入Gini系数的改进层次分析法(AHP).通过采用三角模糊数描述权重,基于可信性理论求出指标的权重,用“拉开档次法”得到新的判断信息矩阵及权重系数,使...
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