摘要
从张家界配电网运行记录中提取了日故障记录,对故障时序的分析表明其有明显的长程相关性和幂律分布特性,具有自组织临界性。由于电网跨越辽阔区域,天气因素对电网故障具有重要作用。对故障原因的分析表明,大气系统中降水现象的自组织临界性是电网故障自组织临界性的决定因素。
This paper investigates time series of faults in Zhangjiajie power grid.Investigation results show that the time series of faults have long term correlation and its probability distribution has power law tail,which indicate its self-organized criticality（SOC）.Analysis on the dates with largest number of faults show that extreme climate contributes most to power system faults.Therefore,it is reasonable to conclude that the power systems faults derived its SOC from that of atmosphere systems.
出处
《华中电力》
2011年第3期39-42,共4页
Central China Electric Power
关键词
电力系统
极端天气
自组织临界性
power system
extreme climate
self-organized criticality.
