This Code specifies the contents, method and technical requirements of the electric energy metering device management.
This Code is applicable to the management of electric energy metering device used for the settlement of electric power enterprise trade and the examination of enterprise internal economy technical index.
2 Normative References
The provisions of the following standard, through reference into this Code, constitute provisions of this Code. When this Code is published, all the listed editions are valid. As all the standards will be revised, each party using this Code shall discuss the feasibility of using the latest edition of the following standards.
GB3925-1983 Acceptance Inspection of Class 2 Alternating Current Watt-hour Meters
GB/T 15239-1994 Sampling Procedures and Tables for Isolated Lot Inspection by Attributes
GB/T 17442-1998 Acceptance Inspection for Direct Connected Alternating Current Static Watt-hour Meters for Active Energy (Classes 1 and 2)
GBJ63-1990 Specifications for the Design of Electric Measuring Instrument System
DL/T645-1997 Multi-function Watt-hour Meter Communication Protocol
JJG597-1989 Verification Equipment for AC Electrical Energy Meters
JJG1033-1992 Rule for the Examination of Measurement Standard
SDJ9-1987 Technical Code for Designing Electrical Measuring Device
SD109-1983 Code for Inspection of Electric Energy Metering
"Metrology Law of the People's Republic of China"
"Rules on Implementation of the Metrology Law of the People's Republic of China"
"Electricity Law of the People's Republic of China"
"Regulations of Power Supply Business" Decree No. 8 on October 8, 1996 by the former Ministry of electronics industry
3 General Provision
The management of electric energy metering device must comply with the requirements of relevant laws and regulations such as "Metrology Law of the People's Republic of China", "Rules on Implementation of the Metrology Law of the People's Republic of China", "Electricity Law of the People's Republic of China" and "Regulations of Power Supply Business" and be under the supervision of relevant authorities concerned.
3.1 The electric energy metering device includes various type of watt-hour meter, measuring voltage and current transformer as well as secondary circuit and electric energy metering cabinet (box), etc..
3.2 The management of electric energy metering device is to ensure the accuracy and uniformity of electric energy metering value as well as the safety and reliability of the electric energy metering operation.
3.3 The management of electric energy metering device refers to the management on determination of metering plan, selection of metering devices, order acceptance, verification, overhaul, storage, installation and completion acceptance, operating maintenance, on-site inspection, periodic verification (alternation), random inspection, fault handling, overall process of discard as well as contents related with voltage loss timer, electric energy metering & billing system and remote centralized meter reading system.
