GB/T 28569-2024 PDF EnglishUS$380.00 · In stock · Download in 9 seconds
GB/T 28569-2024: Electric energy metering for electric vehicle AC charging spot Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 28569: Historical versions
Similar standardsGB/T 28569-2024: Electric energy metering for electric vehicle AC charging spot---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT28569-2024GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 29.020 CCS K 81 Replacing GB/T 28569-2012 Electric energy metering for electric vehicle AC charging spot Issued on. SEPTEMBER 29, 2024 Implemented on. APRIL 01, 2025 Issued by. State Administration for Market Regulation; Standardization Administration of the People's Republic of China. Table of ContentsForeword... 3 1 Scope... 5 2 Normative references... 5 3 Terms and definitions... 5 4 Technical requirements... 6 4.1 Interfaces... 6 4.2 Function... 7 4.3 Whole spot requirements... 10 4.4 Requirements for measuring modules... 12 5 Test methods... 13 5.1 Test reference conditions... 13 5.2 Metering interface and nameplate inspection... 14 5.3 Function inspection... 14 5.4 Accuracy test... 14 5.5 Pulse constant test... 18 5.6 Error variation test... 19 5.7 Clock time error test... 19 5.8 Climate and environmental impact test... 20 6 Inspection rules... 20 6.1 Inspection classification... 20 6.2 Inspection Items... 20 Annex A (informative) Schematic diagram of calibration methods... 22 A.1 Actual load verification method... 22 A.2 Virtual load verification method... 22 Annex B (normative) Inspection items... 241 ScopeThis document specifies the technical requirements, test methods and inspection rules for AC power metering between electric vehicle AC charging spots and electric vehicles. This document is applicable to the design, manufacture, acceptance and use of the whole-spot electric energy metering of public AC chargers (hereinafter referred to as "charging spot"). Other types of AC charging spots shall refer to this document for implementation.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 2423.1, Environmental testing for electric and electronic products - Part 2. Test methods - Tests A. Cold GB/T 2423.2, Environmental testing for electric and electronic products - Part 2. Test methods - Tests B. Dry heat GB/T 2423.4, Environmental testing for electric and electronic products - Part 2. Test method - Test Db. Damp heat, cyclic (12 h + 12 h cycle) GB/T 18487.1-2023, Electric vehicle conductive charging system - Part 1.General requirements GB/T 18487.2-2017, Electric vehicle conductive charging system - Part 2.EMC requirements for off-board electric vehicle supply equipment GB/T 29317, Terminology of electric vehicle charging/battery swap infrastructure3 Terms and definitionsFor the purposes of this document, the terms and definitions defined in GB/T 29317 as well as the followings apply. 3.1 public AC charger An AC charging spot installed in a public area to realize the transfer of electric energy ownership, with metering and billing functions, and providing a settlement voucher after charging is completed. 3.2 total charging energy The total charging energy recorded by the charging spot in working state since the first charging. 3.4 additional amount Fees other than the rate amount recorded when the charging spot is in working condition. 3.5 billable amount The sum of the rate amount and additional amount recorded by the charging spot when it is in working state is used for settlement with the user. 3.6 total billable amount The sum of the billable amounts recorded by the charging spot when it is in working condition, starting from the first charging.4 Technical requirements4.1 Interfaces The charging spot energy metering interface meets the following requirements. detection. 4.2 Function 4.2.1 Metering function The charging spot has the following functions. 4.2.2 Billing function Charging spots shall have the function of calculating the billable amount based on time, electricity, rates, etc. 4.2.3 Rate period setting function The charging spot has the following functions. 4.2.4 Time calibration function The charging spot shall have a time calibration function and shall not be calibrated during the charging process. 4.2.5 Information recording function 4.2.5.1 Metering and billing information The charging spot has the following functions. 4.2.5.2 Event Recording The charging spot shall have the following functions. 4.2.6 Clearing function The charging spot has the following functions. 4.2.7 Display function 4.2.7.1 Basic requirements The charging spot shall have a display function that can be displayed on the spot body or other carriers. 4.2.7.2 Display digits The number of display digits and resolution of the charging spot shall meet the following requirements. 4.2.7.3 Charging display 4.2.8 Charging receipt function The charging receipt function of the charging spot meets the following requirements. 4.2.9 Consistency requirements If the charging spot has multiple human-computer interaction methods, all information related to metering and billing shall be consistent when charging is completed. 4.2.10 Software protection function 4.2.11 Other functions During the charging process, if the charging spot cannot perform billing normally, the current charging and metering and billing shall be stopped immediately. The current metering and billing value is stored. After the above functions are restored, metering and billing shall be restarted. 4.3 Whole spot requirements 4.3.1 Connection point location The location of the charging spot connection point meets the following requirements. 4.3.2 Nameplate The charging spot shall have a nameplate. The nameplate shall include the following measurement-related information. If there are multiple charging interface outputs, the maximum current and minimum current of each channel shall be indicated. If each channel is not marked separately, they are assumed to be the same. 4.3.3 Measurement range The measurement range of the charging spot shall meet the following requirements. 4.3.4 Accuracy requirements 4.3.5 Pulse constant The relationship between the number of electric energy pulses output by the charging spot test and the change in electric energy indicated by the display shall be consistent with the electric energy pulse constant indicated on the nameplate. 4.3.6 Error variation For the same test point of a charging spot, the absolute value of the maximum error variation between adjacent test results shall not exceed 1/5 of the absolute value of the error limit shown in Table 1. 4.3.7 Clock time error For charging spots with time-sharing billing function, the charging spot clock indication error shall not exceed 5 s. 4.3.8 Climate and environmental impact requirements When the charging spot is operating within the normal operating temperature range and humidity conditions specified in 15.1.1 and 15.1.2 of GB/T 18487.1-2023, its basic error in electric energy shall meet the requirements of Table 1. 4.4 Requirements for measuring modules The housing of the measuring module shall be able to be sealed. The internal components of the module can only be accessed after the seal is broken.5 Test methods5.1 Test reference conditions To verify the accuracy requirements of the charging spot, the test conditions meet the following requirements. 5.2 Metering interface and nameplate inspection During the test, visually inspect the appearance and nameplate of the charging spot. Check whether the test results comply with the provisions of 4.1 and 4.3.2. 5.3 Function inspection During the test, the charging spot must be powered on. Check various functions by visual inspection, simulated charging, software reading, etc. Check whether the test results meet the requirements of 4.2. 5.4 Accuracy test 5.4.1 Basic error test Under the test reference conditions specified in Table 4, compare the electric energy values measured simultaneously by the calibration device and the tested charging spot to determine the basic error of the tested charging spot. The test points shall include the minimum current and maximum current marked on the charging spot nameplate. 5.4.2 Self-heating effect test During the test, under the test reference conditions specified in Table 4, the test method is as follows. 5.4.3 Voltage change test During the test, under the test reference conditions specified in Table 4, select any load point within the minimum current and maximum current range indicated on the nameplate for basic error test. Then set the charging spot input voltage to 120%Ub and 80%Ub respectively. Test the basic error of the charging spot at the same load point. 5.4.4 Frequency change test During the test, under the test reference conditions specified in Table 4, select any load point within the minimum current and maximum current range indicated on the nameplate for basic error test. Set the charging spot input frequency to 51 Hz and 49 Hz respectively. Test the basic error of the charging spot at the same load point. 5.4.5 Voltage unbalance test During the test, under the test reference conditions specified in Table 4, select any load point within the minimum current and maximum current range indicated on the nameplate for basic error testing. Set the three-phase imbalance of the charging spot supply voltage to 5%. Test the basic error of the charging spot at the same load point. 5.5 Pulse constant test During the test, under the test reference conditions specified in Table 4, record the electric energy value displayed by the charging spot within a period of time and the number of output pulses of the test output. The error ek is determined by formula (6). 5.6 Error variation test During the test, the charging spot is tested three times at the same test point under the test reference conditions specified in Table 4.The absolute value of the difference between adjacent test results is calculated. Check whether the test results comply with the requirements of 4.3.6. 5.7 Clock time error test During the test, under the test reference conditions specified in Table 4, the charging spot display time is compared with the reference clock display time. The charging spot clock time error ΔT is calculated according to formula (7), that is. 5.8 Climate and environmental impact test During the test, the charging spot is subjected to high temperature test, low temperature test and alternating damp heat test respectively under the test reference conditions specified in Table 4.The test methods are as follows. 15.1.1 of GB/T 18487.1-2023.After the test temperature of the environmental test chamber stabilizes, the charging spot is set to operate under rated load. The basic error of measurement shall meet the requirements of Table 1.6 Inspection rules6.1 Inspection classification Product inspection categories include exit-factory inspection, type inspection, and acceptance inspection. 6.2 Inspection Items 6.2.1 Exit-factory Inspection The manufacturer shall test the newly produced charging spots according to the inspection items specified in Table B.1 in Annex B. After passing the inspection, an inspection certificate shall be issued. 6.2.2 Type inspection Type inspection shall be carried out by a testing agency with relevant qualifications. Tests shall be conducted according to the inspection items specified in Table B.1. Charging spot type inspection shall be carried out when one of the following situations occurs. 6.3 Qualification judgment The tested product can only be judged as qualified for this category after all the test items of the corresponding inspection category meet the requirements, otherwise it will be judged as unqualified. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 28569-2024 be delivered?Answer: The full copy PDF of English version of GB/T 28569-2024 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 28569-2024_English with my colleagues?Answer: Yes. 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