摘　要：针对世界上连续发生的电网连锁性大停电事故,论述了长期以来采用的还原法的思想方法已不完全适应对电网整体动态特性的研究.简述了复杂网络的基本概念;综述了应用复杂网络理论,对美国和中国电网大停电事故的部分数据统计分析的结果.发现电力系统的无标度特性:大停电的规模与出现的概率具有幂律特征,而电网的自组织临界性是发生连锁性大停电事故的内在动力.提出建立实时动态的全国沙堆模型,为预测大停电事故提供实时信息和应用复杂网络的控制理论对电网关键节点进行保护和控制,以缓解大停电事故发生的设想.
关键词：连锁性大停电事故;复杂网络;幂律分布;无标度网络;自组织临界性;沙堆模型
分类号：TM712;TM721.3 　文献标识码：A
文章编号：1004-9649(2007)11-0025-08

Applying complex network theory to analyze mechanism of cascading large blackouts failure

DING Dao-qi　

作者简介：丁道齐(1938-),男,江苏扬州人,国电通信中心前主任,高级工程师(教授级),从事电力系统运行、电力系统自动化及电力系统通信的技术管理工作.E-mail:dingdaoqi@vip.sina.com
作者单位：丁道齐（国电通信中心,北京,100761）　

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