JJF 1245.3-2019 English PDFUS$1059.00 · In stock
Delivery: <= 8 days. True-PDF full-copy in English will be manually translated and delivered via email. JJF 1245.3-2019: Program of Pattern Evaluation of Fixed AC Electricity Meters--Reactive Electrical Energy Meters Status: Valid JJF 1245.3: Historical versions
Basic dataStandard ID: JJF 1245.3-2019 (JJF1245.3-2019)Description (Translated English): Program of Pattern Evaluation of Fixed AC Electricity Meters--Reactive Electrical Energy Meters Sector / Industry: Metrology & Measurement Industry Standard Classification of Chinese Standard: A55 Classification of International Standard: 17.220 Word Count Estimation: 46,483 Date of Issue: 2019 Date of Implementation: 2020-03-31 Issuing agency(ies): State Administration for Market Regulation JJF 1245.3-2019: Program of Pattern Evaluation of Fixed AC Electricity Meters--Reactive Electrical Energy Meters---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--Reactive Electrical Energy Meters National Measurement Technical Specification of the People's Republic of China Outline of Type Evaluation of Installed AC Energy Meter Reactive energy meter Published on December 31,.2019 2020-03-31 Implementation Issued by the State Administration of Market Supervision and Administration Outline of Type Evaluation of Installed AC Energy Meter Reactive energy meter EnergyMeters Partial replacement JJF 1245.1 ~ 6-2010 Centralized unit. National Electromagnetic Measurement Technical Committee Main drafting unit. Zhejiang Institute of Metrology State Grid Zhejiang Electric Power Company Electric Power Research Institute Participated in the drafting unit. China Academy of Metrology This specification entrusts the National Electromagnetic Measurement Technical Committee to interpret The main drafters of this specification. Zheng Jianzhong (Zhejiang Institute of Metrology) Zhou Shaoyuan (Zhejiang Institute of Metrology) Yao Li (State Grid Zhejiang Electric Power Company Electric Power Research Institute) Participating drafters. Wang Donghong (Zhejiang Institute of Metrology) Jin Wenge (Zhejiang Institute of Metrology) Li Min (Chinese Academy of Metrology) Zhu Zhongwen (Zhejiang Institute of Metrology) table of ContentsIntroduction (Ⅱ) 1 Scope (1) 2 References (1) 3 Terms and definitions (2) 4 Overview (3) 5 Legal management requirements (3) 5.1 Requirements for units of measurement (3) 5.2 Accuracy class (3) 5.3 Requirements for measurement legal signs and measurement appliance marks (3) 5.4 External structure design requirements (3) 5.5 Installation requirements (3) 6 Metrology and technical requirements (3) 6.1 Rated working conditions (3) 6.2 Accuracy requirements (5) 6.3 Timing accuracy (10) 6.4 Metering performance protection (software requirements) (10) 6.5 Applicability (10) 6.6 Durability (11) 6.7 Safety and special requirements (11) 6.8 Functional requirements (11) 7 Type evaluation item list (11) 8 Technical data and test prototypes to be submitted by the applicant (11) 9 Type evaluation conditions and methods (11) 9.1 General requirements (11) 9.2 Maximum allowable error compliance test (14) 9.3 Influence test (17) 9.4 Interference test (23) 9.5 Timing accuracy (37) 10 Type evaluation record format (37) Appendix A List of Type Evaluation Items (38)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 "Type Evaluation Outline of Installed AC Energy Meter 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 Meter". 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 17215.323-2008, GB/T 17215.324-2017 and GB/T 15282- The content of.1994 was prepared in accordance with the framework of international recommendation OIMLR46-1/-2..2012. Outline of Type Evaluation of Installed AC Energy Meter Reactive energy meter1 ScopeThis specification applies to single and three-phase reactive energy meters with a frequency of 50Hz or 60Hz (hereinafter referred to as instruments) Type evaluation. 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 documentsThis 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 1245.4-2019 Special Requirements and Safety Requirements for Type Evaluation Outline of Installed AC Energy Meter JJF 1245.5-2019 Functional Requirements for Type Evaluation Outline of Installed AC Energy Meter GB/T 2423.1-2008 Environmental testing for electrical and electronic products Part 1.Test methods Test A. Low temperature GB/T 2423.2-2008 Environmental testing for electrical and electronic products Part 2.Test methods Test B. high temperature GB/T 2423.4-2008 Environmental testing for electrical and electronic products. Part 2.Test method test Db. Alternating damp heat (12h 12h cycle) GB/T 2423.43-2008 Environmental testing for electrical and electronic products. Part 2.Test methods Vibration, impact Installation of impact and similar kinetic test samples GB/T 4208-2017 enclosure protection level (IP code) GB/T 15282-1994 reactive energy meter GB/T 16422.3-2014 Plastic laboratory light source exposure test method Part 3.Fluorescent ultraviolet lamp GB/T 16927.1-2011 High voltage test technology Part 1.General definition and test requirements GB/T 17215.323-2008 Particular requirements for alternating current measurement equipment Part 23.Static reactive power Energy Meter (Level 2 and Level 3) GB/T 17215.324-2017 Particular requirements for alternating current measurement equipment Part 24.Static fundamental frequency Rate reactive energy meter (0.5S, 1S and 1) GB/T 17215.9321-2016 Credibility of electrical measuring equipment Part 321.Durability-high temperature Measurement characteristic stability test GB/T 17626.2-2018 Electromagnetic Compatibility Test and Measurement Technology Electrostatic Discharge Immunity Test GB/T 17626.3-2016 Electromagnetic compatibility test and measurement technology RF electromagnetic field radiation immunity test ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of JJF 1245.3-2019_English be delivered?Answer: Upon your order, we will start to translate JJF 1245.3-2019_English as soon as possible, and keep you informed of the progress. The lead time is typically 5 ~ 8 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of JJF 1245.3-2019_English with my colleagues?Answer: Yes. The purchased PDF of JJF 1245.3-2019_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version JJF 1245.3-2019?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJF 1245.3-2019 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
