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GB/T 18384.3-2015 (GB/T18384.3-2015)

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GB/T 18384.3-2015: PDF in English (GBT 18384.3-2015)

GB/T 18384.3-2015
GB
National Standard
of the People’s Republic of China
ICS 43.020
T 40
Replacing GB/T 18384.3-2001
Electrically propelled road vehicles –
Safety specifications – Part 3. Protection of
persons against electric shock
(ISO 6469-3.2011, MOD)
ISSUED ON. MAY 15, 2015
IMPLEMENTED ON. OCTOBER 1, 2015
Issued by. General Administration of Quality Supervision, Inspection
and Quarantine of People's Republic of China;
Standardization Administration of China.
Table of Contents
Foreword ... 3 
1 Scope ... 6 
2 Normative references ... 6 
3 Terms and definitions ... 7 
4 Voltage Classes ... 8 
5 Marking ... 8 
6 Method and requirement of electric shock protection for persons ... 9 
7 Test method of electric shock protection ... 15 
8 Waterproof ... 19 
9 Owner's manual ... 21 
Annex A (informative annex) Hose nozzle for test ... 22 
Annex B (informative annex) Sprinkler head for test ... 23 
Foreword
GB/T 18384 "Electrically propelled road vehicles - Safety specifications" is divided into
three parts.
- Part 1. On-board rechargeable energy storage system (REESS);
- Part 2. Vehicle operational safety means and protection against failures;
- Part 3. Protection of persons against electric shock.
This Part is Part 3 of GB/T 18384.
This Part was drafted according to the given rules of GB/T 1.1-2009.
This Part replaces GB/T 18384.3-2001 "Electric vehicles - Safety specification - Part 3.
Protection of persons against electric shock”. Compared with GB/T 18384.3-2001, except
for structure difference in article and chapter and editorial modification, the main technical
changes are as follows.
- Modify the applicable scope of the standard (see Chapter 1; Chapter 1 in version 2001);
- Delete the terms and definitions that have already been defined in the GB/T 19596
(see Chapter 3 in version 2001);
- Add the definition of the rechargeable energy storage system (see 3.1);
- Add the definition of “voltage Class A electric circuits” (see 3.2);
- Add the definition of “voltage Class B electric circuits” (see 3.3);
- Add the definition of “basic protection” (see 3.4);
- Add the definition of “barriers” (see 3.5);
- Add the definition of “enclosures” (see 3.6);
- Modify the definition of “potential equalization” (see 3.7);
- Add the definition of “balance of electric power system” (see 3.8);
- Modify the voltage class division (see Chapter 4; Chapter 4 in version 2001).
- Add the marking requirements (see Chapter 5);
- Modify the protection in case of basic protection failure (see 6.3; 5.3 and Chapter 6 in
version 2001);
Inspection Center (Changchun), China First Vehicle Work Co., Ltd. Technology Center,
National Vehicle Quality Supervision and Inspection Center (Xiangyang), FAW -
Volkswagen Co., Ltd., Haima Vehicle Group Co., Ltd., Chongqing Chang’an New Energy
Vehicle Co., Ltd., Pan-Asia Technical Automotive Center Co., Ltd., Huacheng Vehicle
Group Co., Ltd., BYD Vehicle Industry Col, Ltd., Shanghai Jieneng Vehicle Technology Co.,
Ltd., Chery New Energy Automotive Technology Co., Ltd., Shanghai Volkswagen Co. Ltd.,
Saic GM Wuling Vehicle Co., Ltd., Liuzhou Wuling Vehicle Industry Co., Ltd., China
Automotive Engineering Research Institute Co., Ltd., Zhejiang Geely Vehicle Research
Institute Co., Ltd., Zhengzhou Yutong Bus Co., Ltd., Beiqi Foton Vehicle Co., Ltd., Xiamen
Golden Dragon Bus Co., Ltd., Siaiyi Industrial Technology and Consultancy (Shanghai)
Co., Ltd.
The main drafters of this Part. Zhang Yingnan, Xu Zhihan, Xiong Liangping, Liu Ling,
Huang Zhongrong, Chen Shundong, Liu Guibin, Xu Junhui, Xu Zhiguang, Shen Jianping,
Cui Fengtao, Zhu Xiaoming, Miao Wenquan, Zhang Tianqiang, Huang Min, Ni Xinyu, Su
Ling, Zhu Daoping, Jiang Shijun, Wang Hongjun, Qiu Jie, Du Zhiqiang, Huang Zhongwen,
Fang Yunzhou, Sui Tao, Fan Dapeng, Fu Lei, Wang Kan, Zhang Xiangjie, and Hong Yang.
This Part was first-time issued in July 2001; this is the first revision.
Electrically propelled road vehicles –
Safety specifications –
Part 3. Protection of persons against electric shock
1 Scope
This Part of GB/T 18384 specifies the requirements for the electric vehicle’s electric drive
system and auxiliary system of conduction connection (if any), so as to protect the persons
in car and out of the car from electric shock.
This Part is applicable to the electric vehicles of which the maximum voltage of the drive
system is class-B voltage. The electric motorcycle and electric mopeds may refer to this
Part.
This Part is not applicable to off-road vehicle, e.g. material handling vehicle and forklift.
This Part is not applicable to the guidance of electric vehicle’s assembly, maintenance and
repair.
2 Normative references
The following documents are essential to the application of this document. For dated
references, only the dated version is applicable to this document. For undated references,
its latest version (including all amendments) is applicable to this document.
GB 2893 Safety colours (GB 2893-2008, ISO 3864-1.2002, MOD)
GB 2894 Safety signs and guideline for the use
GB 4208 Degrees of protection provided by enclosures (IP code) (GB 4208-2008, IEC
60529.2001, IDT)
GB 4943.1 Information technology equipment - Safety - Part 1. General requirements
(GB 4943.1-2011, IEC 60950-1.2005, MOD)
GB/T 5465.2 Graphical symbols for use on electric equipment - Part 2. Graphical
symbols (GB/T 5465.2-2008, IEC 60417 DB.2007, IDT)
GB/T 16935 (All parts) Insulation coordination for equipment within low-voltage systems
[IEC 60664 (All parts)]
GB/T 18384.1 Electrically propelled road vehicles - Safety specifications - Part 1. On-
board rechargeable energy storage system (REESS) (GB/T 18384.1-2015, ISO 6469-
1.2009, MOD)
GB/T 19596 Terminology of electric vehicles (GB/T 19596-2004, ISO 8713.2002, NEQ)
3 Terms and definitions
For the purpose of this document, the following terms and definitions AND those defined
in GB/T 19596 shall apply.
3.1 Rechargeable energy storage system
REESS
Energy storage system which is rechargeable and can provide electricity, such as batteries,
capacitors.
3.2 Voltage class A electric circuits
Electric modules or circuits of which the maximum working voltage is less than or equal to
30 V a.c. (rms), or less than or equal to 60 V d.c.
3.3 Voltage class B electric circuits
Electric modules or circuits of which the maximum working voltage is greater than 30V
a.c.(rms) and less than or equal to 1 000 V a.c.(rms), or greater than 60 V in direct current
(d.c.) and less than or equal to 1500 V in direct current (d.c.).
3.4 Basic protection
It prevents the direct contact to live part under the non-failure condition.
3.5 Barriers
The parts that can prevent direct contact, from any direction where persons usually access
in.
3.6 Enclosures
The parts that are used to prevent the equipment from certain external influence or direct
contact, from any direction.
Note. External influence may include entrance of water or dust, so as to prevent mechanical damage.
analysis and establish a series of effective protective measures to prevent single-point
failure.
6.5 Insulation requirement
If electric shock protection is not provided through isolation, but rather through insulating
materials, then the live parts of electric system shall be fully wrapped with insulator, and it
may not be removed unless damage.
Insulation materials shall be able to withstand the temperature of the electric vehicle and
its system, as well as the maximum working voltage.
Insulators shall have enough ability to withstand voltage. No insulation breakdown or arc
phenomenon shall occur if tests are carried out according to 7.3.
6.6 Barriers/ enclosures requirements
6.6.1 General
If electric shock protection is provided by barriers / enclosures, the live parts shall be
arranged inside the shell or behind the barriers to prevent accessing the live parts from
any usual directions.
The barriers/ enclosures shall be able to provide enough mechanical resistance under
normal operation condition according to the manufacturer’s requirements.
It the barriers/ enclosures is allowed to access directly, then it is only opened or removed
through tools or maintenance keys, or there are some other methods to make voltage class
B’s live part to power-off, such as interlock.
6.6.2 Protection degrees
6.6.2.1 Protection degrees of barriers / enclosures
The barriers/ enclosures shall at least meet the IPXXB protection degrees as specified in
GB 4208.
The barriers/ enclosures in passenger and luggage compartment shall at least meet the
IPXXD protection degrees...
......
 
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.