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GB/T 40820-2021 PDF English

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GB/T 40820-2021: Residual direct current detecting device (RDC-DD) to be used for mode 3 charging of electric vehicles
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GB/T 40820-2021: Residual direct current detecting device (RDC-DD) to be used for mode 3 charging of electric vehicles


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NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 29.120.50 CCS K 31 GB/T 40820-2021 / IEC 62955.2018 Residual Direct Current Detecting Device (RDC-DD) to be Used for Mode 3 Charging of Electric Vehicles (IEC 62955.2018, IDT) Issued on. OCTOBER 11, 2021 Implemented on. MAY 01, 2022 Issued by. State Administration for Market Regulation; Standardization Administration of PRC.

Table of Contents

Foreword... 4 1 Scope... 6 2 Normative References... 7 3 Terms, Definitions and Symbols... 8 4 Classification of RDC-DD (RDC-MD, RDC-PD)... 9 5 Characteristics of RDC-DDs... 12 6 Marking and Other Product Information... 17 7 Standard Conditions for Operation in Service and for Installation... 19 8 Requirements for Construction and Operation... 20 9 Tests... 33 Annex A (Normative) Test Sequence and Number of Samples to be Submitted for Testing Purposes... 97 Annex B (Normative) Determination of Clearances and Creepage Distances... 102 Annex C (Normative) Arrangement for the Detection of the Emission of Ionized Gases during Short-Circuit Tests... 109 Annex D (Normative) Routine Tests... 112 Annex E (Informative) Methods for Determination of Short-Circuit Power-Factor 113 Annex F (Informative) Examples of Terminal Designs... 115 Annex G (Informative) Correspondence between ISO and AWG Copper Conductors ... 119 Annex H (Informative) SCPDs for Short-Circuit Tests... 120 Annex I (Normative) Particular Requirements for RDC-DDs with Screwless Type Terminals for External Copper Conductors... 122 Annex J (Normative) Particular Requirements for RDC-DDs with Flat Quick-Connect Terminations... 131 Annex K (Normative) Specific Requirements for RDC-DDs with Screw-Type Terminals for External Untreated Aluminium Conductors and with Aluminium Screw- Type Terminals for Use with Copper or with Aluminium Conductors... 139 Annex L (Informative) Examples of RDC-DD according to Construction Classification ... 150 Annex M (Normative) Additional Requirements and Tests for RDC-MDs according to Classification 4.1.1.2 Consisting of an RDC-M-Unit Designed to be Assembled on Site together to a Separate Switching Protective Device... 152 Annex N (Normative) Additional Requirements and Tests for RDC-MDs according to Classification 4.1.1.3 Consisting of an RDC-MD Module Electrically Coupled to a Separate Switching Device or a Protective Device... 157 Annex O (Normative) RDC-PDs with Integrated DC, Pulsating DC (Type A) and 6 mA DC Detection, Evaluation and Mechanical Switching in one Unit according to Classification 4.1.2... 162 Bibliography... 165

Foreword

This Document was drafted as per the rules specified in GB/T 1.1-2020 Directives for Standardization – Part 1.Rules for the Structure and Drafting of Standardizing Documents. This Document used translation method to equivalently adopt IEC 62955.2018 Residual Direct Current Detecting Device (RDC-DD) to be Used for Mode 3 Charging of Electric Vehicles. The Chinese documents that have a consistent correspondence with the international documents normatively cited in this document are as follows. --- GB/T 2424.2-2005 Environment Tests for Electric and Electronic Products - Guidance for Damp Heat Tests (IEC 60068-3-4.2001, IDT); --- GB/T 4208-2017 Degrees of Protection Provided by Enclosure (IP Code) (IEC 60529.2013, IDT); --- GB 4343.1-2018 Electromagnetic Compatibility Requirements for Household Appliances, Electric Tools and Similar Apparatus - Part 1.Emission (CISPR 14-1.2011, IDT); --- GB/T 5169.10-2017 Fire Hazard Testing for Electric and Electronic Products - Part 10. Glowing/Hot-Wire Based Test Methods - Glow-Wire Apparatus and Common Test Procedure (IEC 60695-2-10.2013, IDT); --- GB/T 16895 (all parts) Low-Voltage Electrical Installations [IEC 60364 (all parts)]; --- GB/T 16916.1-2014 Residual Current Operated Circuit-Breakers Without Integral Overcurrent Protection for Household and Similar Uses (RCCB) - Part 1.General Rules (IEC 61008-1.2012, MOD); --- GB/T 16917.1-2014 Residual Current Operated Circuit-breakers with Integral Overcurrent Protection for Household and Similar Uses (RCBOs) - Part 1.General Rules (IEC 61009-1.2012, MOD); --- GB/T 18499-2008 Residual Current Operated Protective Devices (RCD) for Household and Similar Use - Electromagnetic Compatibility (IEC 61543.1995, IDT). This Document made the following editorial modifications. --- Move the informative references of IEC 60112 and IEC 60664-3 from Clause 2 to Bibliography; --- Supplement the cross-sectional area of the connectable copper conductors with rated currents of 63A to 125A omitted in Table 7, which is consistent with the relevant standards of residual current protection electrical apparatus; --- Modify the error of "RDC-MD" into "RDC-DD" in 9.9.3; --- Modify the error of "after the test of 9.10.3" into "after the test of 9.10.2" in 9.10.3; --- Modify the error reference of "9.11.2.1 f) i)" into "9.11.2.1 f) 1)" in 9.11.2.1 f) 2); ---Modify the error of "5.1.1" into "5.1.1 in IEC 61543.1995+AMD1.2004" in Table 19 of 9.21.2; --- Modify the error reference of "see J.3.6" into "see I.3.6" in I.1 of Annex I; --- Modify the error of "Table 5" into "Table 7" in Table K.2; --- Modify the error of "performance of RCCB under short-circuit conditions" into "performance of RDC-PD under short-circuit conditions" in Table O.1. Please note some contents of this Document may involve patents. The issuing agency of this Document shall not assume the responsibility to identify these patents. This Document was proposed by China Electrical Equipment Industry Association. This Document shall be under the jurisdiction of National Technical Committee on Low- Voltage Apparatus of Standardization Administration of China (SAC/TC 189). Drafting organizations of this Document. Shanghai Electrical Apparatus Research Institute; NOARK Electrics (Shanghai) Co., Ltd.; Shanghai Liangxin Electrical Co., Ltd.; Schneider Electric (China) Co., Ltd. Shanghai Branch; Qingdao Topscomm Communication INC.; Suzhou ELE Electrical Apparatus Manufacturing Co., Ltd.; Guizhou Taiyong-Changzheng Technology Co., Ltd.; Shanghai TILVA Certification Technology Co., Ltd.; Shanghai Shengwei Electronic & Technology Co., Ltd.; and Zhongshan Kaper Electrical Co., Ltd. Chief drafting staffs of this Document. Wang Yuxuan, Li Renjie, Wang Bangle, Xu Jinchao, Ma Feng, Wang Jianhua, Li Chengli, He Guibing, Dong Tianshuai, and Zou Jianhua. Residual Direct Current Detecting Device (RDC-DD) to be Used for Mode 3 Charging of Electric Vehicles

1 Scope

This Document specifies the classification, characteristics, marking, conditions of use and installation, technical requirements for structure and operation, and corresponding tests of residual direct current detecting device (RDC-DD) to be used for Mode 3 charging of electric vehicles.

2 Normative References

The following documents are referred to in the text in such a way that some or all of their content constitutes requirements 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 2423.4-2008 Environmental Testing for Electric and Electronic Products - Part 2. Test Method - Test Db. Damp Heat, Cyclic (12h+12h Cycle) (IEC 60068-2-30.2005, IDT)

3 Terms, Definitions and Symbols

Monitoring device capable of 6 mA DC residual current detection and mechanical switching. Protective device with integrated AC, pulsating DC and 6 mA DC detection, evaluation and mechanical switching.

4 Classification of RDC-DD (RDC-MD, RDC-PD)

RDC-M-unit capable of 6mA DC residual current detection and evaluation mechanically coupled to a separate protective device.

5 Characteristics of RDC-DDs

The rated operational voltage (hereafter referred to as "rated voltage") of an RDC-DD is the value of voltage, assigned by the manufacturer, to which its performance is referred. The rated impulse withstand voltage of an RDC-DD shall be equal to or higher than the standard values of rated impulse withstand voltage given in Table 4.

6 Marking and Other Product Information

Due to physical reasons, for pulsating DC residual currents, only limited selectivity to upstream type A or type F RCDs with a rated residual current of 30 mA can be achieved. For this reason, related information shall be provided by the manufacturer.

7 Standard Conditions for Operation in Service and for Installation

RDC-DDs shall be installed in accordance with the manufacturer's instructions. RDC-DDs complying with this document are intended for environment with pollution degree 2, i.e., normally, only non-conductive pollution occurs; occasionally, however, a temporary conductivity caused by condensation may be expected.

8 Requirements for Construction and Operation

The protective conductor of the installation shall not become live in such a way that a dangerous touch voltage is created when the RDC-DD is operated. A standing current in the PE up to the limit of 1 mA is accepted with a touch voltage limited not exceeding dangerous levels according to IEC 60364 series and IEC 60479 series of standards.

9 Tests

The RDC-DD is mounted individually according to manufacturer's instructions and in free air, at an ambient temperature between 20°C and 25°C, unless otherwise specified, and is protected against undue external heating or cooling. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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