Analysis of Typical Cases of Abnormal Electric Energy Meter

According to the fault types, the electric energy meter mainly has 9 types, including error out of tolerance, clock fault, display unit fault, processing unit fault, control unit fault and communication unit fault. This paper analyzes the error out of tolerance, clock failure, display unit failure, and introduces two common problems and typical cases, namely, the clearing exception on the day of the electricity meter demand settlement and the time interval exception of the electricity meter.