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GB/T 18487.2-2017: Electric vehicle conductive charging system - Part 2: EMC requirements for off-board electric vehicle supply equipment 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 18487.2: Historical versions
Similar standardsGB/T 18487.2-2017: Electric vehicle conductive charging system - Part 2: EMC requirements for off-board electric vehicle supply equipment---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/GBT18487.2-2017 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 33.100 L 06 Replacing GB/T 18487.2-2001 Electric vehicle conductive charging system – Part 2.EMC requirements for off-board electric vehicle supply equipment Issued on: DECEMBER 29, 2017 Implemented on: JULY 01, 2018 Issued by. Ministry of Housing and Urban-rural Development of PRC; General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China. Table of ContentsForeword... 4 1 Scope... 6 2 Normative references... 6 3 Terms and definitions, abbreviations... 9 3.1 Terms and definitions... 9 3.2 Abbreviations... 10 4 Power supply equipment configuration... 11 4.1 Overview... 11 4.2 Conductive power transfer (CPT) equipment... 11 5 Test load conditions of power supply equipment... 12 5.1 Overview... 12 5.2 Electric vehicle’s CPT power supply equipment... 12 6 Operating conditions during test... 12 6.1 Overview... 12 6.2 Test description... 13 6.3 Environmental conditions/restrictions... 14 7 Immunity requirements... 14 7.1 Performance criteria... 14 7.2 Test requirements... 16 8 Emission requirements... 23 8.1 Overview... 23 8.2 Low-frequency disturbance limits and test conditions... 23 8.3 Radio frequency disturbance limits and test conditions... 25 9 Test results and test reports... 29 Appendix A (Normative) Conductive harassment voltage test arrangement example for DC power supply CPT port... 31 Appendix B (Normative) CPT port load conditions... 33 Appendix C (Normative) Surge and electrical fast transient burst test arrangement of DC power supply equipment... 36 Appendix D (Normative) Radiation harassment of keyless entry system... 38 Appendix E (Informative) Voltage transient harassment of DC power supply equipment... 411 ScopeThis part of GB/T 18487 specifies the electromagnetic compatibility requirements of the electric vehicle power supply equipment for electrical vehicle off-board conductive charging (hereinafter referred to as the power supply equipment). The maximum rated voltage of the power supply of the power supply equipment is 1000 VAC or 1500 VDC, the maximum rated output voltage is 1000 VAC or 1500 VDC. This part applies to the power supply equipment of the charging mode 2, charging mode 3, charging mode 4 as specified in GB/T 18487.1. This part applies to the electrical vehicle power supply equipment which obtains energy from the field energy storage system (such as buffer battery, etc.). In this part, it considers that the power cables without electronic components or switches (except for manual switch) are passive, which comply with the emission and immunity requirements, so they do not require test any more. This part does not apply to any on-board power supply equipment AND the components and equipment to supply power or charge the electrical vehicle. This part does not apply to the power supply equipment supplying power or charging the electrical vehicle through wireless charging (WPT) method. This part does not apply to trolley buses, railway vehicles, industrial vehicles and the power supply equipment which is mainly for non-road vehicles.2 Normative referencesThe following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this document. GB/T 4365 Electrotechnical terminology - Electromagnetic compatibility GB 4824-2013 Industrial, scientific and medical equipment - Radio- frequency disturbance characteristics - Limits and methods of measurement GB/T 6113.102-2008 Specification for radio disturbance and immunity measuring apparatus and methods - Part 1-2.Radio disturbance and immunity measuring apparatus - Ancillary equipment - Conducted disturbance GB/T 6113.201 Specification for radio disturbance and immunity measuring apparatus and methods - Part 2-1.Methods of measurement of disturbances and immunity - Conducted disturbance measurements GB/T 17215.321 Electricity metering equipment (A.C.) - Particular requirements - Part 21.Static meters for active energy (classes 1 and 2) GB 17625.1 Electromagnetic compatibility - Limits - Limits for harmonic current emissions (equipment input current ≤ 16 A per phase) GB/T 17625.2 Electromagnetic compatibility (EMC) - Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems, for equipment with rated current ≤ 16 A per phase and not subject to conditional connection GB/T 17625.7 Electromagnetic compatibility - Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems for equipment with rated current ≤ 75 A and subject to conditional connection GB/T 17625.8 Electromagnetic compatibility - Limits - Limits for harmonic currents produced by equipment connected to public low-voltage systems with input current >16 A and ≤ 75 A per phase GB/T 17626.2 Electromagnetic compatibility - Testing and measurement techniques - Electrostatic discharge immunity test GB/T 17626.3 Electromagnetic compatibility - Testing and measurement techniques - Radiated radio-frequency electromagnetic field immunity test GB/T 17626.4 Electromagnetic compatibility - Testing and measurement techniques - Electrical fast transient/burst immunity test GB/T 17626.5 Electromagnetic compatibility - Testing and measurement techniques - Surge immunity test GB/T 17626.6 Electromagnetic compatibility - Testing and measurement techniques - Immunity to conducted disturbances induced by radio- frequency fields GB/T 17626.8 Electromagnetic compatibility (EMC) - Part 8.Testing and measurement techniques - Power frequency magnetic field immunity test GB/T 17626.11 Electromagnetic compatibility - Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests3 Terms and definitions, abbreviations3.1 Terms and definitions The terms and definitions as defined in GB/T 4365, GB 4824-2013, GB/T 18487.1, GB/T 19596 and GB/T 29317 as well as the following terms and definitions apply to this document. 3.1.1 Port A specific interface between the equipment and the external electromagnetic environment, an example of the port for the off-board power supply equipment is as shown in Figure 1. 3.1.2 Enclosure port The physical boundary that is radiated or invaded by the electromagnetic field through this port. 3.1.3 Power port Signal/control port 3.1.4 Wired network port Ports connecting voice, data and signaling, which is intended to connect the telecommunication network of single user or multiple users, to make the dispersed systems mutually connected, such as PSTN, ISDN, xDSL, LAN and similar networks. Note. These ports can support shielded or unshielded cables, they can also bear the AC or DC power as specified in the telecommunication specifications. [CISPR 32] 3.1.5 Signal/control port The port through which the EUT or EUT internal components complying with relevant functional descriptions (for example, for the maximum length of the connection cable) are connected to the local AE. Note. For example, RS-232, universal serial bus (USB), high definition multimedia interface (HDMI), IEEE 1394 (FireWire) compliance, and control guider. [CISPR 32] 3.1.6 Conductive power transfer port (CPT port) The power output port for an electric vehicle power supply equipment that is used for conductive power transfer (CPT), which transfers the low voltage AC or DC power to the secondary device of the charging system (such as the power charging the load), AND provides the necessary signal/control and/or communication functions.4 Power supply equipment configuration4.1 Overview The test arrangements and test conditions of the test items in this part are given in specific clauses. 4.2 Conductive power transfer (CPT) equipment All tests shall use the typical power supply equipment and communications cables provided by the manufacturer (on the CPT port). If the power supply equipment does not provide cable, the test shall be carried out under the typical length of the cable.5 Test load conditions of power supply equipment5.1 Overview The communication lines of the power supply equipment with communication functions (between the power supply equipment and the vehicle) shall be terminated in accordance with Appendix B, the communication signals shall be provided by the respective simulators and fed in via suitable coupling means. If the power supply equipment has a large number of similar ports or connector ports, a sufficient number of ports shall be selected to simulate the actual operation status, AND ensure that all different types of terminals are covered, such as 20% of all ports or at least four ports. Note. It shall be noted that this does not always represent the actual use, as the power will decrease as the battery is charged full. 5.2 Electric vehicle’s CPT power supply equipment The CPT port of the power supply equipment shall be connected to the AE, which includes the vehicle simulator formed by the AN and/or ISN, AND is connected to the adjustable resistive load.6 Operating conditions during test6.1 Overview The test is carried out in the mode specified in this part. The test shall be carried out under the load conditions specified in clause 5. The test plan shall specify the configuration and mode of operation of the EUT, AND the test report shall accurately record the actual conditions during the test. The following two modes of operation shall be evaluated. a) Standby mode. The analogue power supply equipment supplies power normally, the vehicle plug is inserted into the vehicle socket, at this time the power supply equipment is at non-charging state (e.g., when the vehicle battery is fully charged or waiting for the grid to decide when to charge) b) Charging mode. During the test, the output current of the power supply equipment is at the power generating the highest emission. Note. There is no need to evaluate when no load is connected, which is fully considered in standby mode. If the communication between the equipment and the vehicle (e.g. charging control) is to be carried out by means of non-controlled navigation or other signals (e.g. PLC), tests shall be carried out under the most adverse signal conditions, such as selecting the signal of maximum communication as specified by the manufacturer. The test shall be carried out under the working range and rated input voltage as specified for the power supply equipment unless, unless otherwise specified in the relevant basic standards. The cable control and protection device (IC-CPD) shall be tested in accordance with the charging mode 3. 6.2 Test description Power supply equipment shall meet the immunity and emission requirements of this part.7 Immunity requirements7.1 Performance criteria 7.1.1 Overview Power supply equipment shall be maintained in a safe state, as the test results specified in this part. For further guidance, SEE standard GB/T 18487.1. There are different performance criteria for the charging mode based on power supply equipment, especially for the charging mode 3 and charging mode 4. When the AC or DC power input port is subject to surge (GB/T 17626.5) and electrical fast transient/burst (GB/T 17626.4), it shall use appropriate instrument to make measurement, which can measure the relevant transient amplitude on the DC output port. This measurement shall be carried out in accordance with the arrangement described in Appendix C. The requirements of Appendix C shall be satisfied. When the equipment under test has metering and billing functions, the corresponding performance criteria shall be defined in accordance with the applicable product standards, for example, GB/T 17215.321. Power supply equipment manufacturers shall provide functional definitions and performance criteria definitions during or after the EMC test. 7.1.2 Performance criteria A During or after the test is carried out, the power supply equipment shall continue running as expected within the permissible range as defined by the manufacturer of the power supply equipment. Its operating status is not allowed to change (i.e. keep charging in the charging mode, keep idle state at standby mode). Note. For charging mode 2 and charging mode 3, the change in status includes the change in the PWM signal. For charging mode 4, the change in status includes any change in the charging current that exceeds the manufacturer's permissible range. 7.1.3 Performance criteria B After the test is completed, the power supply equipment shall be running continuously as expected within the allowable range defined by the manufacturer of the power supply equipment. In addition, the main function of the power supply equipment shall be maintained (within the permissible range defined by the power supply equipment manufacturer) during the test. In the test process of secondary functions (including display, etc.), it allows for performance degradation, but it shall be restored to their original state after the test. After the implementation of the test, the power supply equipment shall not change its operating status (i.e. keep charging in the charging mode, keep idle state at standby mode). Note 1.For charging mode 2 and charging mode 3, the change of state includes the change of the PWM signal. For charging mode 4, the change of state includes any change in the charge current (exceeding the manufacturer's permissible range). Note 2.For the voltage sag and short-time interruption immunity test, it can be regarded as meeting the performance criteria B if the manual operation specified in the charging process is carried out, such as swipe card or charging start. 7.1.4 Performance criteria C During the course of the test implementation and after the test, the power supply equipment is changed to the state of fault protection. If the safety requirements as defined in GB/T 18487.1 have been met, this condition requires user intervention to restart the charging or to resume charging automatically.8 Emission requirements8.1 Overview Each type of disturbance shall be measured under clear, repeatable conditions. Table 5 and Table 6 provide the test description, test method and test arrangement. 8.2 Low-frequency disturbance limits and test conditions 8.2.1 Overview Table 5 provides the requirements for the assessment of low frequency disturbance. 8.2.2 Voltage fluctuation and flashing a GB 17625.2 (rated current ≤ 16 A per phase) GB/T 17625.7 (rated current per phase > 16 A and ≤ 75 A) b 8.2.3 Note. The power supply equipment in charging mode 2 and charging mode 3 must be tested in standby mode. a For power supply equipment within the scope of GB 17625.1, GB/T 17625.2, GB/T 17625.7 and GB/T 17625.8. b Equipment to meet the requirements of GB/T 17625.2, it does not apply to GB/T 17625.7. 8.2.2 Harmonic current Harmonic currents are only valid for power supply equipment in the following categories. - Rated voltage 220 V, single-phase, three-wire; - Rated voltage 380 V, three-phase, five-wire; - Rated frequency 50 Hz. Each phase input current is less than or equal to 16 A, AND the power supply equipment connected to the public low-voltage AC distribution system shall be consistent with GB 17625.1, all power equipment is class A equipment. Note. The definition of the above class A equipment differs from the environmental classification detailed in 8.1.2 of GB 4824-2013. Each phase input current is greater than 16 A, less than or equal to 75 A, AND the power supply equipment connected to the public low-voltage AC power distribution system shall be consistent with GB/T 17625.8. For power supply equipment with input current greater than 75 A per phase, since the limit value and measurement method are under consideration, it is recommended for its measurement to be made at the maximum module number configuration having an input current per phase not more than 75 A. For charging mode 2 and charging mode 3, no harmonic current measurement is required. 8.2.3 Voltage fluctuation and flashing The requirements for the voltage fluctuation and flashing produced by the power supply equipment are as shown in GB/T 17625.2 and GB/T 17625.7. For charging mode 3, power supply equipment power input terminals using electromechanical switches do not require voltage fluctuations and flashing tests.9 Test results and test reportsThe test report shall include all the information that can guarantee the test reproducibility. The test report contains at least the following. - Description of charging equipment; -Test plan; - Test data and results; - Test equipment and arrangement. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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