GB/T 43332-2023Safety requirements of conductive charging and discharging for electric vehicles (English PDF)

Foreword

This document was drafted in accordance with the rules provided in GB/T 1.1-2020 Directives for Standardization - Part 1: Rules for the Structure and Drafting of Standardizing Documents.

This document modifies and adopts ISO 17409:2020 Electrically Propelled Road Vehicles -Conductive Power Transfer - Safety Requirements.

In comparison with ISO 17409:2020, there are many structural adjustments. A comparison of structural No. changes between the two documents is shown in Appendix A.

In comparison with ISO 17409:2020, the technical differences and the causes for these differences are as follows.

---The Scope of this document is modified (see Chapter 1; Chapter 1 of ISO 17409:2020) to be applicable to electric vehicles with Class B voltage circuits that comply with Chinese standards on charging interfaces, so as to adapt to the actual situation of Chinese charging system;

---The normative references to standards on power supply plugs GB/T 1002 and GB/T 2099.1 are added (see Chapter 1 and 4.1), so as to adapt to the actual situation of Chinese charging system;

---The normative reference GB/T 19596 is added (see Chapter 3), so as to comply with the technical requirements of electric vehicles in China;

---The relevant contents on automatic connection of charging devices are deleted (see 3.61, 6.2, 6.3, 6.5, 7.1, 7.2, 7.4, 10.1, 10.2, 13.2, 13.3 and 13.4 of ISO 17409:2020), so as to adapt to the actual situation of Chinese charging system;

---The normative reference for the general requirements for charging connection devices is modified, replacing IEC 62196-1 with GB/T 20234.1 (see 4.1, 4.2 and 11.3, 5.1 and 5.2 of ISO 17409:2020), so as to comply with the technical conditions of China;

---The normative reference for the AC charging interface is modified, replacing IEC 62196-2 with GB/T 20234.2 (see 4.1, 4.2, 5.2 and 9.1; 5.1 of ISO 17409:2020), so as to comply with the technical conditions of China;

---The normative reference for the DC charging interface is modified, replacing IEC 62196-3:2015 with GB/T 20234.3 (see 4.2, 5.2, 9.1 and 13.8; 5.2, 6.4.2, 7.2.4, 9.9, 13.7 and 13.8 of ISO 17409:2020), so as to comply with the technical conditions of China;

---The normative reference IEC/TS 62196-3-1 for the DC charging connection devices with thermal management system is deleted (see 5.2, 7.1, 9.7 and 13.7 of ISO 17409:2020), so as to comply with the technical conditions of China;

---The normative reference for the safety requirements for electric vehicles is modified, replacing ISO 6469-3 with GB 18384 (see 5.1, 5.4.2, 8.1, 11.2, 12.2 and 13.3.2; 6.1, 6.4.2, 6.5.1, 9.1, 10.3.3, 12.2, 13.3 and 13.4 of ISO 17409:2020), so as to comply with the technical conditions of China;

---The normative reference for the requirements for equipment protection degree is modified, replacing ISO 20653 with GB/T 30038 (see 5.2, 5.5 and 11.2; 6.2 and 6.5 of ISO 17409:2020), so as to comply with the technical conditions of China and improve the operability;

---The normative reference for the design requirements for the protective conductor cross-sectional area is modified, replacing IEC 60364-5-54 with GB/T 16895.3 (see 5.3.4;

6.3 of ISO 17409:2020), so as to comply with the technical conditions of China;

---The normative reference for the enclosure protection verification probe is modified, replacing IEC 61032 with GB/T 16842 (see 5.5.1; 6.5.1 of ISO 17409:2020), so as to comply with the technical conditions of China;

---The normative reference for the insulation coordination is modified, replacing IEC 60664-1 with GB/T 16935.1 (see 5.6.1 and 13.4.4; 6.6.1 and 13.4.2 of ISO 17409:2020), so as to comply with the technical conditions of China;

---The normative reference for the charging system is modified, replacing IEC 61851-1:2017 with GB/T 18487.1-2023 (see 5.8 and 7.2.1; 6.8, 8.2.1, 9.2, 9.5, 10.2.2.4 and 13.6.1 of ISO 17409:2020), so as to comply with the technical conditions of China;

---The normative reference for the requirements for overcurrent protection is modified, replacing IEC 60364-4-43:2008 with GB/T 16895.5-2012 (see 6.2.3.1 and 6.2.4.1;

7.2.3 and 7.2.4 of ISO 17409:2020), so as to comply with the technical conditions of China;

---The normative reference IEC 61851-23 for the DC charging system is deleted (see 7.2.4.1, 7.5, 9.2, 9.3, 9.5, 9.8, 10.3.1, 10.3.4 and 13.6.1 of ISO 17409:2020), so as to comply with the actual situation of Chinese charging system;

---The I2t value applicable to Chinese charging system is added (see 6.2.4.1 and 6.2.4.2.1;

7.2.4.1 and 7.2.4.2 of ISO 17409:2020), so as to comply with the actual situation of Chinese charging system;

---The normative reference IEC 60038 for standard voltage is deleted (see 8.1 and 10.2.2.1 of ISO 17409:2020), so as to adapt to Chinese voltage level;

---The normative reference ISO 15118 (all parts) for the communication protocols is deleted (see 8.2.1 and 8.3 of ISO 17409:2020), so as to comply with the actual situation of Chinese charging system;

---The normative reference for the electromagnetic compatibility limits is modified, replacing IEC 61000-3-3 with GB/T 17625.2 (see 7.2.2; 8.2.2 of ISO 17409:2020), so as to adapt to the technical conditions of China;

---The normative reference for the electromagnetic compatibility limits is modified, replacing IEC 61000-3-11 with GB/T 17625.7 (see 7.2.2; 8.2.2 of ISO 17409:2020), so as to adapt to the technical conditions of China;

---The normative reference ISO 26262 (all parts) for the vehicle functional safety is deleted (see 9.6 of ISO 17409:2020), so as to comply with the actual situation of Chinese charging system;

---The requirements for shared contacts for AC and DC charging are deleted (see 9.6 of ISO 17409:2020), so as to comply with the actual situation of Chinese charging system;

---The requirements for vehicle socket-outlet cooling are modified (see 8.6.2; 9.7 of ISO 17409:2020), so as to comply with the actual situation of Chinese charging system;

---The output power quality of AC discharge is modified (see 9.2.2; 10.2.2 of ISO 17409:2020), so as to comply with the requirements for power quality in China;

---The normative reference for the requirements for the electric shock protection is modified, replacing IEC 60364-4-41:2005 with GB/T 16895.21 (9.2.2; 10.2.2 of ISO 17409:2020), so as to adapt to the technical conditions of China;

---The normative reference GB 38031 for the power battery safety is added (see 9.3.3), so as to adapt to the technical conditions of China;

---The requirements for charging operation and electromagnetic immunity are added (see 10.2 and 10.3), so as to supplement and improve the requirements for charging safety;

---The normative reference GB/T 34657.2-2017 for the charging interoperability is added (see 10.2.1.1 and 10.2.2.1), so as to comply with the actual situation of Chinese charging system;

---The normative reference GB/T 40428-2021 for the charging electromagnetic compatibility is added (see 10.3 and 11.4), so as to comply with the actual situation of Chinese charging system;

---The requirements for the protection degree and electromagnetic compatibility are added (see 10.3, 11.2 and 11.4), so as to satisfy the actual product design, research and development demands of China;

---The accuracy requirements for the measuring instruments and equipment are added (see 13.1.5), so as to guide actual test operations;

---The normative reference for the inspection requirements for the electrical devices is modified, replacing IEC 60364-6 with GB/T 16895.23 (see 13.5.1; 13.5.1 of ISO 17409:2020), so as to adapt to the technical conditions of China;

---The normative reference for the touch current measurement method is modified, replacing IEC 60990:2016 with GB/T 12113 (see 13.6.1; 13.6.1 of ISO 17409:2020), so as to adapt to the technical conditions of China.

This document makes the following editorial modifications.

---In order to coordinate with the existing standards, the title of the Standard is modified into Safety Requirements of Conductive Charging and Discharging for Electric Vehicles;

---In order to facilitate the understanding and application of the Standard, the NOTEs that are not applicable to Chinese charging system are deleted, and some NOTEs are modified or added;

---Appendix A (informative) is added.

Please be noted that certain content of this document may involve patents. The institution issuing this document does not undertake the responsibility of identifying these patents.

This document was proposed by the Ministry of Industry and Information Technology of the People's Republic of China.

This document shall be under the jurisdiction of National Technical Committee on Auto of Standardization Administration of China (SAC/TC 114).

1 Scope

This document specifies the safety requirements for conductive charging and discharging of electric vehicles (hereinafter referred to as "vehicles") when they are conductively connected to an external electric power supply or external load.

2 Normative References

The contents of the following documents constitute indispensable clauses of this document through the normative references in the text. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document.

GB/T 1002 Single Phase Plugs and Socket-outlets for Household and Similar Purposes - Types, Basic Parameters and Dimensions

3 Terms and Definitions

What is defined in GB 18384, GB/T 18487.1-2023, GB/T 19596 and GB/T 20234.1, and the following terms and definitions are applicable to this document.

4 Requirements for Power Supply Plugs and Vehicle Socket- outlets

The vehicle socket-outlets (connection mode B and connection mode C) for AC conductive charging shall comply with GB/T 20234.1 and GB/T 20234.2.

5 Requirements for Protection against Electric Shock

he requirements for the protection coordination with residual current device (RCD) are shown in 11.3 of GB/T 18487.1-2023.

6 Requirements for Thermal Accident Protection

7 Additional Requirements for AC Charging

The connection confirmation circuit shall provide an interlock function. Within 100 ms after the S3 switch in the connection confirmation circuit is disconnected, the vehicle shall stop charging and the current passing through the vehicle interface shall be reduced to not greater than 1 A.

8 Additional Requirements for DC Charging

If the vehicle is equipped with an insulation monitoring system for the vehicle power supply circuit, then, it shall be prevented from conflicting with the insulation monitoring device (IMD) of the off-board charger. In order to avoid interference, the vehicle may switch off its insulation monitoring system.

9 Requirements for External Discharge

If the output current exceeds the maximum current allowed, the vehicle shall activate the overcurrent protection function to cut off the output current.

The vehicle can provide an external auxiliary power supply.