基于复杂网络理论的舰船电力网络脆弱性分析

摘要

从舰船电力网络拓扑结构及设备布置特性的角度出发，对舰船电力系统的脆弱性进行量化评估能为电力系统的优化设计提供理论指导。基于复杂网络理论，从舰船电力系统本身的拓扑结构对其脆弱性进行了研究。首先，用邻接矩阵将某一环形电力网络表示出来，并计算其特征参数，从度数指标和介数指标可以看出主配电板节点是电网中的重要节点；然后，对该环形舰船电力网络进行了故障模拟，结果表明：电网元件故障对整个电力网络造成的影响由最大连通子图规模来衡量，该指标值越小表明此元件故障对网络的影响越大，同时这一指标比介数指标更好地揭示了舰船电力网络的脆弱环节。%The vulnerability to the shipboard power system is closely related to its electric network to-pology.The structural vulnerability to the shipboard power network is analyzed by using the theory of complex network.Firstly,a ring-shaped ship power network is expressed by an adjacent matrix in or-der to calculate its characteristic parameter.The simulation of the power network shows that the de-gree of damage to the whole power network by the network component failure can be measured by the large-connected component.The smaller the index,the more serious the damage degree is proved. And this index can reveal the vulnerable points in the ship power network better than the betweenness index.