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JJF 1245.5-2019: Program of Pattern Evaluation of Fixed AC Electricity Meters--Functional Requirements
Status: Valid JJF 1245.5: Evolution and historical versions
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Program of Pattern Evaluation of Fixed AC Electricity Meters--Functional Requirements
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JJF 1245.5-2019
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| JJF 1245.5-2010 | English | 999 |
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Program of pattern evaluation of electricity meters. Particular requirements. Static meters for reative energy(Classes 2 and 3)
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JJF 1245.5-2010
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PDF similar to JJF 1245.5-2019
Basic data | Standard ID | JJF 1245.5-2019 (JJF1245.5-2019) | | Description (Translated English) | Program of Pattern Evaluation of Fixed AC Electricity Meters--Functional Requirements | | Sector / Industry | Metrology & Measurement Industry Standard | | Classification of Chinese Standard | A55 | | Classification of International Standard | 17.220 | | Word Count Estimation | 22,240 | | Date of Issue | 2019 | | Date of Implementation | 2020-03-31 | | Issuing agency(ies) | State Administration for Market Regulation | JJF 1245.5-2019: Program of Pattern Evaluation of Fixed AC Electricity Meters--Functional Requirements
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Program of Pattern Evaluation of Fixed AC Electricity Meters--Functional Requirements
National Measurement Technical Specification of the People's Republic of China
Outline of Type Evaluation of Installed AC Energy Meter
Functional requirements
Published on December 31,.2019
2020-03-31 Implementation
Issued by the State Administration of Market Supervision and Administration
Type evaluation of installed AC electric energy meter
Outline functional requirements
Partial replacement
JJF 1245.1 ~ 6-2010
Centralized unit. National Electromagnetic Measurement Technical Committee
Main drafting unit. Zhejiang Institute of Metrology
China Electric Power Research Institute
Participated in the drafting unit. Zhejiang Zhengtai Instrument Co., Ltd.
This specification entrusts the National Electromagnetic Measurement Technical Committee to interpret
The main drafters of this specification.
Jin Wenge (Zhejiang Institute of Metrology)
Luo Ranran (China Electric Power Research Institute)
Li Ming (Zhejiang Institute of Metrology)
Participating drafters.
Duan Xiaomeng (China Electric Power Research Institute)
Chen Jing (Zhejiang Institute of Metrology)
Feng Xueli (Zhejiang Zhengtai Instruments Co., Ltd.)
Zhu Zhongwen (Zhejiang Institute of Metrology)
table of Contents
Introduction (Ⅲ)
1 Scope (1)
2 References (1)
3 Terminology (1)
4 Overview (2)
5 Legal management requirements (2)
6 Functional requirements (3)
6.1 Energy measurement and storage (3)
6.2 Maximum demand measurement (3)
6.3 Multiple rates (3)
6.4 Clock (4)
6.5 Fee Control (4)
6.6 Data communication (5)
6.7 Event records (5)
6.8 Clear (6)
6.9 Freeze (6)
6.10 Load record (6)
6.11 Harmonic energy measurement (6)
7 Type evaluation item table (7)
8 Technical documents and test prototypes to be submitted by the applicant (7)
9 Type evaluation conditions and methods (7)
9.1 General test conditions (7)
9.2 Energy measurement and storage (7)
9.3 Maximum demand measurement (7)
9.4 Multiple rates (8)
9.5 Clock (9)
9.6 Fee Control (9)
9.7 Data Communication (10)
9.8 Event Record (10)
9.9 Clear (10)
9.10 Freeze (10)
9.11 Load Record (11)
9.12 Harmonic energy measurement (11)
10 Type evaluation record format (11)
Appendix A List of Test Items (12)
Appendix B Document Information Format (13)
Introduction
"Type Evaluation Outline of Installed AC Watt-hour Meter" refers to international recommendations OIMLR46-1/-2..2012 and
GB/T 17215 series of national standards, and in accordance with JJF 1016-2014 "Outline of Type Appraisal Outline of Measuring Instruments"
Prepared by the requirements of "Guide to Writing." Contains the following 5 parts.
--- JJF 1245.1-2019 "Installation type AC energy meter type evaluation outline active energy meter";
--- JJF 1245.2-2019 "Software Requirements for Type Evaluation Outline of Installed AC Energy Meter";
--- JJF 1245.3-2019 "Reactive Reactive Energy Meter for Type Evaluation Outline of Installed AC Energy Meter";
--- JJF 1245.4-2019 "Special Requirements and Safety Requirements for Type Evaluation Outline of Installed AC Energy Meters";
--- JJF 1245.5-2019 "Functional Requirements for Type Evaluation Outline of Installed AC Energy Meters"
When using the "Type Evaluation Outline of Installed AC Watt-hour Meter" for the type evaluation test of the AC Watt-hour meter, the
According to the characteristics of the energy meter, select the corresponding part of the outline.
This series outline replaces the original series outline JJF 1245.1 ~ 6-2010, compared with JJF 1245.1 ~ 6-2010,
The main changes are as follows.
--- Adopt a new frame structure. no longer use general requirements-special requirements structure. With international recommendations OIML
R46-1/-2..2012 is the main part, adding relevant content of GB/T 17215 series of national standards. JJF 1245.1-2019
And JJF 1245.2-2019 basically covers the content of OIMLR46-1/-2..2012; JJF 1245.3-2019
According to the content of reactive energy meter measurement and technical requirements in the national standard, it is compiled according to the architecture of JJF 1245.1-2019
Write; JJF 1245.4-2019 according to JJF 1245.1-2019 and JJF 1245.3-2019 not covered but national standards
Contains the content preparation of measurement and technical requirements and safety-related requirements; JJF 1245.5-2019 in JJF
Revised on the basis of 1245.6-2010.
--- Added software requirements. JJF 1245.2-2019 refers to international recommendations OIMLR46-1/-2..2012
The content of the quantitative performance protection chapter, combined with the technical characteristics and management requirements of my country's electric energy meter, proposes software requirements for the electric energy meter
Seeking, and give the verification method.
--- Added and revised measurement and technical requirements. increased durability, higher harmonics, differential mode current interference, electricity
Rapid changes in current, ringing wave and other items, modified voltage and current harmonics, constant magnetic field, radio frequency electromagnetic field radiation, electricity
Pressure drop and short-term interruption, vibration, sunlight radiation protection, waterproof and other test items.
The previous releases of this series of outlines are.
JJF 1245.1-2010 "General Requirements for Type Evaluation Outline of Installed Energy Meter"
JJF 1245.2-2010 "Specification Requirements for Type Evaluation Outline of Installed Watt-hour Meter" Electromechanical Active Watt-hour Meter
(Level 0.5, 1 and 2)
JJF 1245.3-2010 "Specification Requirements for Type Evaluation Outline of Installed Watt-hour Meter" Static Active Watt-hour Meter
(0.2S, 0.5S, level 1 and 2)》
JJF 1245.4-2010 "Specification Requirements for Type Evaluation Outline of Installed Watt-hour Meter" Electromechanical Reactive Watt-hour Meter
(Levels 2 and 3)
JJF 1245.5-2010 "Specification Requirements for Type Evaluation Outline of Installed Watt-hour Meter" Static Reactive Watt-hour Meter
(Levels 2 and 3)
JJF 1245.6-2010 "Special Requirements for Installed Energy Meter Type Evaluation Outline Functional Energy Meter"
Special instructions for this specification.
This specification mainly refers to GB/T 17215.301-2007, GB/T 15284-2002 and GB/T 18460.3-
The contents of.2001 and other standards were compiled, and the special requirements for the type evaluation outline of the installed energy meter
Revised on the basis of Functional Energy Meter.
Outline of Type Evaluation of Installed AC Energy Meter
Functional requirements
1 Scope
This specification applies to single and three-phase active energy meters with a frequency of 50Hz or 60Hz (hereinafter referred to as instruments)
Type evaluation of the functional requirements section.
This specification does not apply to instruments whose nominal voltage exceeds 600V (multiphase instruments are line-to-neutral voltage)
Instrument connected to electronic transformer (GB/T 20840.8-2007), used to connect low-voltage current sensor
(IEC 61869-10..2017) The data interface of instrument, portable instrument, standard electric energy meter and instrument register.
2 Reference documents
This specification refers to the following documents.
JJF 1245.1-2019 installation type AC energy meter type evaluation outline active energy meter
JJF 1245.2-2019 Software Requirements for Type Evaluation Outline of Installed AC Energy Meter
JJF 1245.3-2019 type-installed AC energy meter type evaluation outline reactive energy meter
GB/T 15284-2002 Special requirements for multi-rate energy meters
GB/T 17215.301-2007 Special requirements for multifunctional energy meters
GB/T 17215.302-2013 Particular requirements for AC measurement equipment Part 2.Static harmonics
Power meter
GB/T 20840.8-2007 Transformers Part 8.Electronic current transformers
IEC 61869-10..2017 Instrument transformers Part 10.Additional requirements for low-power passive current transformers
(Instrumenttransformers-Part 10.Additionalrequirementsforlow-powerpassive
currenttransformers)
For dated reference documents, only the dated version applies to this specification; for those without date references
The latest version (including all amendments) is applicable to this specification.
3 Terminology
The terms and definitions defined in JJF 1245.1-2019 and the following terms and definitions apply to this outline.
3.1 demand
The average power within a specified time.
3.2 Demand cycle demandinterval
Measure the average power in consecutive equal time intervals.
3.3 Maximum demand
The maximum value of the demand recorded in the specified period or settlement period.
3.4 Interval demand blockintervaldemand
Demand recorded during a period of demand with no overlapping periods.
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