多变电站故障录波数据同步自动化方法与实现  

Auto synchronization method and its implementation of fault recorder data from multi-substations

作　　者：王海港[1] 黄太贵[1] 孙月琴[1] 王同文[1] 谢民[1] 

机构地区：[1]安徽省电力公司,安徽合肥230022

出　　处：《电力系统保护与控制》2015年第1期102-107,共6页Power System Protection and Control

摘　　要：在目前电力系统故障录波器联网系统中,一些采用脉冲对时方式的录波器常常对时不准,事故分析人员难以把反映同一次故障的多个故障录波数据进行关联和同步,给故障综合分析带来困难。基于此,通过软件的方法检测各变电站故障录波器时钟之间的差异,并用测量的时间差进行多变电站故障录波数据自动关联。提出了不依赖线路参数的多变电站故障录波数据同步方法,对相互关联的数据进行自动同步。通过软件将该方法应用于故障录波器联网系统,在实际的故障分析中发挥了重要作用。At present, fault recorders （FR） of multi-substation are connected to a network. After a fault occurs, due to the time unsynchronized FR which use impulse signal as time synchronization method, it is hard to associate different FR data contributed by different FR from different substations at the same time, especially, several faults happened on power grid in a short time. To solve this problem, by detecting time differences of different FR located in different substations through software method, fault data from FR of multi-substations is automatically associated. Furthermore, a synchronization method for multi-substation FR data, which does not utilize the parameters of transmission lines, is put forward to synchronize the associated data. This method is implemented in a FR network system by using software, which proved that it is a real-time, more convenient and accurate method for fault analysis of power grid.

关 键 词：故障录波器 联网 数据同步 无参数 多变电站 

分 类 号：TM63[电气工程—电力系统及自动化] TM76