广义安全域模型及其在电表状态估计中的应用

General model of security region and its application in energy meters' status estimation

为了保证供电可靠性需要准确、可靠的电能计量手段。随着智能电表的大量安装,电力企业可通过网络获得大量计量信息。基于计量数据,可以有效对电表状态进行估计,提高电网可靠性。在安全域基础上,提出了面向计量装置网络的广义安全域模型。通过安全域分析计算了计量系统的安全性。进一步基于层次分析法和TOPSIS算法,对电表状态进行了分类,获得了分析得到影响计量装置可靠性的关键因素。新方法提高状态估计的准确性,为保证供电可靠性和装置替换周期决策等提供了依据。

With a large number of smart meters installation ,the power utility can get a variety of information such as meter metering device via a communication network .Considering the needs of grid state estimation for metering device , we propose a general security domain model . The algorithm of calculating the network security domain by using metering device is designed in this paper .Through the security domain model and AHP in obtaining network security at the same time measuring device ,given the state of metering devices affect the reliability of the key factors is estimated to improve the state estimation accuracy .