Abstract
This paper compares the differences between the International Recommendation46 (IR46 for short) and the current national standards for electric energy meter of the accuracy classes, testing requirements, software protection and so on. The national meter adaptability of IR46 is analyzed, and a technical proposal of dual-core smart meter is advanced. This proposal could match the testing and software protection requirements for IR46, and could implementation in China.
Highlights
International Recommendation 46(Referred to as IR46)Active Energy Meter[1] is the International Recommendation for Energy Meters, recently revised by the International Organization of Legal Metrology (OIML)
This paper compares the differences between the International Recommendation46 (IR46 for short) and the current national standards for electric energy meter of the accuracy classes, testing requirements, software protection and so on
It is necessary to propose a new smart energy meter design scheme to meet the needs of the future implementation of IR46 in China, and to further improve the function of smart energy meter
Summary
International Recommendation 46(Referred to as IR46)Active Energy Meter[1] is the International Recommendation for Energy Meters, recently revised by the International Organization of Legal Metrology (OIML). Its content covers the metering requirements, technical requirements and legal management requirements of the energy meter. The IR46 is a mandatory technical regulation for electric energy meters. The legal content of China's relevant type evaluation syllabus and verification procedures will be revised simultaneously in the future. The revision of IR46 puts forward higher requirements on metering protection, software upgrade and technical indicators of electric energy meter. The existing software and hardware design of smart meter in China is relatively solid and cannot meet the requirements of new standards. It is necessary to propose a new smart energy meter design scheme to meet the needs of the future implementation of IR46 in China, and to further improve the function of smart energy meter
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