Anomaly Detection Mechanism based on Common NSM Data Objects for Advanced Metering Infrastructure

Seongho Ju, Yonghun Lim, Chunghyo Kim, Kyungseok Jeon


The increasing role of information infrastructures in today’s power system results in a demand for high level of network availability and reliability. However, unlike the traditional Information Technology environment, power system has a few characteristics, which makes us develop network and system management (NSM) data object models. The initiative steps have been launched at IEC standardization, and show what needs to be defined and monitored for enhanced reliability and availability of power system, but except Advanced Metering Infrastructure (AMI). Considering its territory and environment, it seems to be more important to develop common NSM data objects for AMI. EPRI identified a common set of AMI electric meter alarms and events later, but not NSM objects broadly. We investigate current efforts for AMI security, and then suggest the common AMI NSM objects with some exemplars in this paper. Our work is expected to become a stepping stone toward reliable Smart grid.


AMI; Anomaly Detection; NSM; Security

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