Grid overall vulnerability comprehensive evaluation method

• Main Authors: ZHANG DONGYIN, DING SHAOQIAN, BI RUYU, QIAO LI, XU JINGYOU, XU HANPING, QIN XIAOJING, LIN TAO
• Format: Patent
• Language: Chinese; English
• Published: 23.11.2016
• Subjects: CALCULATING; COMPUTING; COUNTING; DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES; PHYSICS; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR

The invention discloses a grid overall vulnerability comprehensive evaluation method, which comprises the following steps: 1) inputting vulnerability index result data of each node in a power grid; 2) according to a clustering algorithm, carrying out clustering on the vulnerability index result data of the nodes in the power grid to obtain optimum classification number of node vulnerability grade; and 3) determining vulnerability mean value and vulnerability balance degree G in power grid overall vulnerability comprehensive evaluation index, and calculating the power grid overall vulnerability comprehensive evaluation index V. The method has the following advantages: through the power grid overall vulnerability comprehensive evaluation method, balance degree of power grid overall vulnerability distribution can be evaluated, and average vulnerability of the power grid can be evaluated. 本发明公开了种电网整体脆弱性综合评价方法，包括以下步骤:(1)输入电网中各节点的脆弱性指标结果数据；(2)根据聚类算法，对电网中的脆弱性指标数据进行聚类，获得节点脆弱性等级的最佳分类数；(3)确定电网整体脆弱性综合评价指标中的脆弱性均值脆弱性均衡程度G