GB 18384-2020_English: PDF (GB18384-2020)
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Electric vehicles safety requirements
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Electrically propelled road vehicles -- Safety specifications -- Part 1: On-board rechargeable energy storage system (REESS)
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Safety requirements of electric vehicles -- Part 1: board energy storage
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| Standard ID | GB 18384-2020 (GB18384-2020) | | Description (Translated English) | Electric vehicles safety requirements | | Sector / Industry | National Standard | | Classification of Chinese Standard | T40 | | Classification of International Standard | 43.020 | | Word Count Estimation | 18,199 | | Date of Issue | 2020-05-12 | | Date of Implementation | 2021-01-01 | | Drafting Organization | BYD Automobile Industry Co., Ltd., China Automotive Technology Research Center Co., Ltd., Beijing New Energy Automobile Co., Ltd., China FAW Group Co., Ltd., SAIC Maxus Automobile Co., Ltd., Shanghai Weilai Automobile Co., Ltd., National Automobile Quality Supervision and Inspection Center ( Xiangyang), Chongqing Vehicle Testing Research Institute Co., Ltd., Shanghai Automotive Group Co., Ltd. Technology Center, Guangzhou Automobile Group Co., Ltd., Ningde Times New Energy Technology Co., Ltd., Zhejiang Geely New Energy Commercial Vehicle Co., Ltd., Changchun Automobile Testing Center Co., Ltd. Responsible company, Zhejiang Geely Holding Group Co., Ltd., Hunan CRRC Times Electric Vehicle Co., Ltd., Kadak Motor Vehicle Quality Inspection Center (Ningbo) Co., Ltd., Chongqing Changan New Energy Vehicle Technology Co., Ltd., Chery New Energy | | Administrative Organization | Ministry of Industry and Information Technology of the People's Republic of China | | Proposing organization | Ministry of Industry and Information Technology of the People's Republic of China | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration | | Standard ID | GB/T 18384.1-2015 (GB/T18384.1-2015) | | Description (Translated English) | Electrically propelled road vehicles -- Safety specifications -- Part 1: On-board rechargeable energy storage system (REESS) | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | T40 | | Classification of International Standard | 43.020 | | Word Count Estimation | 9,944 | | Date of Issue | 2015-05-15 | | Date of Implementation | 2015-10-01 | | Older Standard (superseded by this standard) | GB/T 18384.1-2001 | | Quoted Standard | GB 2893; GB 2894; GB/T 5465.2; GB/T 16935.1; GB/T 19596 | | Adopted Standard | ISO 6469-1-2009, MOD | | Drafting Organization | China Automotive Technology and Research Center | | Administrative Organization | National Automotive Standardization Technical Committee | | Regulation (derived from) | National Standard Announcement 2015 No. 15 | | Proposing organization | Ministry of Industry and Information Technology of the People's Republic of China | | Issuing agency(ies) | Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China | | Summary | This Standard specifies the electric vehicle automotive grade B voltage drive circuitry rechargeable energy storage system (REESS) the requirements to ensure the safety of the vehicle interior, external personnel and vehicle environment. This section applies to the vehicle drive system's maximum operating voltage EV level B voltage. Electric motorcycles and electric mopeds can be implemented by reference. This section does not apply to off-road vehicles, such as material handling trucks and forklifts. This section does not apply to guide electric car assembly, maintenance and repair. Electromechanical flywheel inside (the vehicle) is not part of the scope of this. | | Standard ID | GB/T 18384.1-2001 (GB/T18384.1-2001) | | Description (Translated English) | Safety requirements of electric vehicles - Part 1: board energy storage | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | T09 | | Classification of International Standard | 43.020 | | Word Count Estimation | 12,140 | | Date of Issue | 2001-07-12 | | Date of Implementation | 2001-12-01 | | Quoted Standard | GB 2893-2001; GB 2894-1996; GB 4208-1993; GB 156-1993; GB/T 5465.2-1996 | | Adopted Standard | ISO/DIS 6469-1-2000, MOD | | Drafting Organization | China Automotive Technology and Research Center | | Administrative Organization | National Automotive Standardization Technical Committee | | Proposing organization | National Machinery Industry Bureau | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China | | Summary | This standard specifies the electric vehicle drive system board energy storage device safety requirements, ensuring user safety and the environment around the vehicle. This standard applies to car circuit's maximum operating voltage is lower than 660V (AC) or 1000V (DC) electric passenger cars and maximum mass not exceeding 3500kg electric commercial vehicles. Maximum mass exceeding 3500kg electric cars may refer to. This standard does not apply to guide electric car assembly, maintenance and repair. |
GB 18384-2020
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.020
T 40
Replacing GB/T 18384.1-2015, GB/T 18384.2-2015, GB/T 18384.3-2015
Electric vehicles safety requirements
ISSUED ON: MAY 12, 2020
IMPLEMENTED ON: JANUARY 01, 2021
Issued by: State Administration for Market Regulation;
Standardization Administration of the PRC.
Table of Contents
Foreword ... 3
Introduction ... 5
1 Scope ... 6
2 Normative references ... 6
3 Terms and definitions ... 7
4 Voltage class ... 7
5 Safety requirements ... 8
5.1 Requirements for protection of persons against electric shock ... 8
5.2 Requirements for functional safety protection ... 14
5.3 Requirements for traction battery ... 16
5.4 Requirements for collision protection of vehicles ... 16
5.5 Requirements for flame-retardant protection of vehicles ... 17
5.6 Requirements for vehicle charging interface ... 17
5.7 Requirements for vehicle alarm and prompt ... 17
5.8 Requirements for vehicle event data recording ... 17
5.9 Requirements for electromagnetic compatibility ... 17
6 Test methods ... 17
6.1 Protection against direct contact ... 17
6.2 Protection against indirect contact ... 18
6.3 Waterproof of the whole vehicle ... 25
6.4 Functional safety protection ... 25
7 Date of implementation ... 25
Appendix A (Normative) Method for verifying waterproof performance of class
B voltage components ... 26
Bibliography ... 28
Electric vehicles safety requirements
1 Scope
This Standard specifies the safety requirements and test methods for electric
vehicles.
This Standard applies to electric vehicles whose maximum working voltage of
the on-board drive system is class B voltage.
This Standard does not apply to road vehicles, which are continuously
connected to the grid during driving.
2 Normative references
The following documents are indispensable for the application of this document.
For the dated references, only the editions with the dates indicated are
applicable to this document. For the undated references, the latest edition
(including all the amendments) are applicable to this document.
GB/T 4094.2 Electric vehicles - Symbols for controls, indicators and tell-tales
GB 7258-2017 Technical specifications for safety of power-driven vehicles
operating on roads
GB 8410 Flammability of automotive interior materials
GB/T 4208-2017 Degrees of protection provided by enclosure (IP code)
GB 11551 The protection of the occupants in the event of a frontal collision
for motor vehicle
GB 17354 Front and rear protective devices for passenger cars
GB/T 18387 Limits and test method of magnetic and electric field strength
from electric vehicles
GB/T 19596 Terminology of electric vehicles
GB/T 19836 Instrumentation for electric vehicles
GB 20071 The protection of the occupants in the event of a lateral collision
GB/T 20234.1 Connection set for conductive charging of electric vehicles -
b) The high-voltage connector requires at least two different actions to
separate it from the mutual docking ends. The high-voltage connector has
a mechanical locking relationship with some other mechanism. Before the
high-voltage connector is opened, the locking mechanism can only be
opened by using tools; or
c) After the high-voltage connector is separated, the voltage of the live part
of the connector can, within 1 s, be reduced to not more than 30 V (a.c.)
(rms) and not more than 60 V (d.c.).
5.1.3.4 Requirements for high-voltage service disconnect
For vehicles equipped with a high-voltage service disconnect, the high-voltage
service disconnect shall not be opened or pulled out without tools, except for
the following two cases:
a) After the high-voltage service disconnect is opened or pulled out, the live
part of the class B voltage meets the requirements for degree of protection
of IPXXB specified in GB/T 4208-2017; or
b) Within 1 s after separation, the voltage of the live part of the class B
voltage of the high-voltage service disconnect drops to not more than 30
V (a.c.) (rms) and not more than 60 V (d.c.)
5.1.3.5 Requirements for charging socket
When the vehicle charging socket and the vehicle charging plug are
disconnected, the vehicle charging socket shall meet at least one of the
following requirements:
a) Within 1 s after disconnection, the voltage of the live part of the class B
voltage of the charging socket drops to no more than 30 V (a.c.) (rms) and
no more than 60 V (d.c.); or the total energy stored in the circuit is less
than 0.2 J; or
b) When meeting the requirements for degree of protection of IPXXB
specified in GB/T 4208-2017 and within 1 min, the voltage of the live part
of the class B voltage of the charging socket drops to no more than 30 V
(a.c.) (rms) and no more than 60 V (d.c.); or the total energy stored in the
circuit is less than 0.2 J.
5.1.4 Requirements for protection against indirect contact
5.1.4.1 Requirements for insulation resistance
Under the maximum working voltage, the insulation resistance of the d.c. circuit
insulation resistance value is less than the threshold specified by the
manufacturer, the driver shall be reminded by an obvious tell-tale (for example:
acoustic or optical signal). The threshold specified by the manufacturer shall
not be lower than that required by 5.1.4.1.
5.1.4.3 Requirements for potential equalization
Exposed conductive parts for protection against direct contact with class B
voltage circuits, such as conductive enclosures and barriers, shall be
conductively connected to the electric platform; and, meet the following
requirements:
a) The connection impedance between the exposed conductive part and the
electric platform shall not be greater than 0.1 Ω;
b) In the potential equalization path, any two exposed conductive parts which
can be touched by a person at the same time, that is, the resistance
between two conductive parts whose distance is not more than 2.5 m shall
not be greater than 0.2 Ω.
If a soldered connection is used, it is considered to meet the above
requirements.
5.1.4.4 Requirements for capacitive coupling
Capacitive coupling shall meet at least one of the following requirements:
a) In class B voltage circuit, the energy stored in the total capacitance
between any class B voltage live part and the electric platform, at its
maximum working voltage, shall not be greater than 0.2 J. 0.2 J is the
maximum storage energy requirement for the Y capacitor on the positive
side or the Y capacitor on the negative side of the class B voltage circuit.
In addition, if there are class B voltage circuits isolated from each other,
then 0.2 J is a separate requirement for each circuit isolated from each
other. Or
b) Class B voltage circuits have at least two insulation layers, barriers, or
enclosures; or are arranged in the enclosure or behind the barrier. These
enclosures or barriers shall be able to withstand a pressure of not less
than 10 kPa, without obvious plastic deformation.
5.1.4.5 Requirements for charging socket
5.1.4.5.1 Vehicle’s a.c. charging socket
The vehicle’s a.c. charging socket shall have terminals to connect the electric
From the power-off state of the drive system to the "drivable mode", the vehicle
shall go through at least two consciously different actions. At least one action is
to press the brake pedal.
Only one action is required from the "drivable mode" to the power-off state of
the drive system.
The driver shall be continuously or intermittently indicated that the vehicle is
already in the "drivable mode". When the driver leaves the vehicle, if the drive
system is still in the "drivable mode", the driver shall be alerted by an obvious
tell-tale (for example, an acoustic or optical signal).
When the vehicle is stopped, after the drive system is automatically or manually
shut down, it can only re-enter the "drivable mode" through the above
procedure.
5.2.2 Driving
5.2.2.1 Power reduction prompt
If the electric drive system adopts measures to automatically limit and reduce
the driving power of the vehicle, when the limitation and reduction of the driving
power affects the driving of the vehicle, the driver shall be alerted by an obvious
tell-tale (for example, an acoustic or optical signal).
5.2.2.2 REESS low battery prompt
If the low battery of REESS affects the driving of the vehicle, the driver shall be
alerted by an obvious tell-tale (for example, an acoustic or optical signal).
5.2.2.3 REESS thermal event alarm
If REESS is about to have a thermal runaway safety event, the driver shall be
alerted by an obvious tell-tale (for example, an acoustic or optical signal).
5.2.2.4 Brake priority
For the vehicle control system, when the brake signal and the acceleration
signal occur simultaneously, priority is given to the brake signal.
5.2.3 Gear shift
5.2.3.1 Driving gear shift
When the driver directly drives the vehicle, and switches from the non-driving
gear to the driving gear when the vehicle is stationary, the brake pedal shall be
depressed.
5.5 Requirements for flame-retardant protection of vehicles
The flame-retardant properties of interior materials of electric vehicles shall
meet the requirements of GB 8410.
Note: The scope of application of this subclause is consistent with GB 8410.
5.6 Requirements for vehicle charging interface
The charging interface of electric vehicles shall meet the requirements of GB/T
20234.1.
Note: The scope of application of this subclause is consistent with GB/T 20234.1.
5.7 Requirements for vehicle alarm and prompt
Electric vehicle alarms and prompts shall comply with the requirements of GB/T
19836 and GB/T 4094.2.
Note: The scope of application of this subclause is consistent with GB/T 19836 and GB/T
4094.2.
5.8 Requirements for vehicle event data recording
Type M1 electric vehicles shall be equipped with an event data recording system
(EDR) or on-board video driving recording device.
5.9 Requirements for electromagnetic compatibility
The electromagnetic compatibility of electric vehicles shall meet the
requirements of GB 34660 and GB/T 18387.
Note: The scope of application of this subclause is consistent with GB 34660 and GB/T
18387.
6 Test methods
6.1 Protection against direct contact
During the test of protection against direct contact, the vehicle shall be in a
power-off state for the whole vehicle; all barriers and enclosures of the vehicle
shall be intact.
During the test process, without using other tools, in accordance with the test
methods of IPXXD and IPXXB in GB/T 4208-2017, the testing personnel only
use probes or test fingers to perform IP code tests on openings and connectors
outside and inside the vehicle.
6.2.1.3 Measurement method for insulation resistance of class B voltage
load without power supply
The specific measurement steps are as follows:
a) Disconnect all power supplies (including class A voltage power supplies)
of the class B voltage load under test;
b) Conductively connect all class B voltage live parts of the class B voltage
load each other;
c) Conductively connect all exposed conductive parts and class A voltage
parts of class B voltage load to the electric platform;
d) Connect the insulation resistance test equipment between the live part
and the electric platform. The equipment can be a megohmmeter;
e) SET the test voltage of the insulation resistance test equipment to not
lower than the highest working voltage of the class B voltage circuit;
f) READ the insulation resistance value of class B voltage load as Rx.
If there are multiple voltage classes in the conductively-connected circuit in the
system (for example: there is a boost converter in the system), and some
components cannot withstand the maximum working voltage of the entire circuit,
these components can be disconnected. USE their respective maximum
working voltages to individually measure the insulation resistance.
6.2.1.4 Calculation of the insulation resistance of the whole vehicle
For the vehicle with all class B voltage loads working at the same time,
according to the test method of 6.2.1.2, the insulation resistance of the whole
vehicle can be directly measured.
Otherwise, the insulation resistance of the class B voltage load, which cannot
be tested in 6.2.1.2, needs to be measured in accordance with 6.2.1.3. The
measured result Ri in 6.2.1.2 and the insulation resistance Rx of each class B
voltage load measured in 6.2.1.3 are calculated in parallel, which is the
insulation resistance of the whole vehicle.
If the whole vehicle has two or more class B voltage circuits isolated from each
other, by the method of this subclause, the insulation resistance of each class
B voltage circuit can be measured and calculated, respectively. The minimum
value is taken as the insulation resistance of the whole vehicle.
6.2.2 Insulation resistance of charging socket
The measurement steps are as follows:
a) At normal temperature, according to the test method of 6.2.1, measure the
current insulation resistance value of the whole vehicle as Ri; and, record
the high-voltage side of REESS, where the smaller measured voltage U1′
of the test step b) of 6.2.1.2 is located.
b) According to the normal operation process of the vehicle under test, make
the vehicle enter the "drivable mode".
c) In step a), if U1′ is at the positive end of REESS, then, as shown in Figure
7, an adjustable resistor is connected in parallel between the positive end
of REESS and the vehicle electric platform. Conversely, if U1′ is at the
negative end of REESS, an adjustable resistor is connected in parallel
between the negative end of REESS and the vehicle electric platform.
When starting the measurement, the resistance of the adjustable resistor
is set to the maximum value.
d) According to the requirements of 5.1.4.1, if the minimum insulation
resistance is required to be 100 Ω/V, then the resistance of the adjustable
resistor is reduced to the target value Rx. Rx is calculated according to
formula (3):
According to the requirements of 5.1.4.1, if the minimum insulation
resistance is required to be 500 Ω/V, then the resistance of the adjustable
resistor is reduced to the target value Rx. Rx is calculated according to
formula (4):
Where:
UREESS - The current total voltage of the battery pack, in volts (V).
e) Observe whether the vehicle has obvious acoustic or optical alarm.
6.3 Waterproof of the whole vehicle
6.3.1 Simulated cleaning
The scope of this test is the boundary line of the whole vehicle, such as the seal
between two parts, the glass sealing ring, the outer edge of the openable part,
the boundary of the front pillar, and the sealing ring of the lamp.
In this test, the IPX5 hose nozzle in GB/T 4208-2017 is used. USE clean water,
at a flow rate of 12.5 L/min±0.5 L/min, at a speed of 0.10 m/s±0.05 m/s; SPRAY
water to all boundary lines in all possible directions. The distance from the
nozzle to the boundary line is 3.0 m±0.5 m.
6.3.2 Simulated wading
In a pool of 100 mm depth, the vehicle shall be driven at a speed of 20 km/h±2
km/h for at least 500 m, for a time of about 1.5 min. If the pool distance is less
than 500 m, the test shall be repeated, so that the cumulative wading distance
is not less than 500 m. The total test time including the vehicle outside the pool
shall be less than 10 min.
6.4 Functional safety protection
According to the functional protection requirements specified in 5.2, the
manufacturer shall provide specific program descriptions, including the
triggering conditions of protective actions, operation instructions, and alarm
prompt signal instructions, etc. According to the description materials, the
testing agency will test and verify a real vehicle and compare with the
requirements in 5.2, to determine the compliance.
7 Date of implementation
For the vehicle types which newly apply for type approval, this Standard will be
implemented from the date of implementation. For vehicle types which have
received type approval, this Standard will be implemented from the 13th month
from the date of implementation.
Regarding the requirement that type M1 electric vehicles shall be equipped with
an event data recording system or an on-board video driving recording device,
the implementation date shall be in accordance with the requirements of 15.4
in GB 7258-2017.
a) If the height of the lower surface of the component from the ground is less
than 300 mm, the high-voltage component shall meet the requirements of
IPX7 in GB/T 4208-2017;
b) If the height of the lower surface of the component from the ground is not
less than 300 mm, and there is no barrier under the component, the high-
voltage component needs to meet the requirements of IPX5 in GB/T 4208-
2017;
c) If the height of the lower surface of the component from the ground is not
less than 300 mm, and there is barrier under the component, the high-
voltage component needs to meet the requirements of IPX4 in GB/T 4208-
2017.
A.1.3 The manufacturer shall provide the insulation resistance of all class B
voltage components in Table A.1 after completing the tests in A.2; and, perform
a parallel calculation to obtain the insulation resistance of the whole vehicle,
which shall meet the requirements of 5.1.4.1.
A.2 Waterproof test method for class B voltage components
A.2.1 The IPX7, IPX5, and IPX4 tests shall be carried out in accordance with
GB/T 4208-2017.
A.2.2 During the testing of IPX7, IPX5, and IPX4, before checking the internal
water ingress of class B voltage components, by the test method of 6.2.1, the
insulation resistance shall be tested first.
......
GB/T 18384.1-2015
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.020
T 40
Replacing GB/T 18384.1-2001
Electrically propelled road vehicles - Safety
specifications - Part 1. On-board rechargeable energy
storage system (REESS)
[ISO 6469-1.2009, Electrically propelled road vehicles - Safety specifications -
Part 1. On-board rechargeable energy storage system (RESS), MOD]
ISSUED ON. MAY 15, 2015
IMPLEMENTED ON. OCTOBER 01, 2015
Issued by.
General Administration of Quality Supervision, Inspection
and Quarantine of the People’s Republic of China;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Table of Contents ... 2
Foreword ... 3
1 Scope ... 6
2 Normative references ... 6
3 Terms and definitions ... 6
4 Marks and logos ... 7
5 Requirements ... 8
Foreword
GB/T 18384 “Electrically propelled road vehicles - Safety specifications” is divided into 3
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 hazards.
This Part is Part 1 of GB/T 18384.
This Part is drafted based on the provisions provided in GB/T 1.1-2009.
This Part replaces GB/T 18384.1-2001 “Electric Vehicles - Safety Specification - Part 1.
On-board Energy Storage Device”. Compared with GB/T 18384.1-2001, in addition to
editorial changes, the main technical changes are as follows.
— Revise the application scope of the standard (see chapter 1; chapter 1 in edition
2001)
— Delete the terms and definitions that have already been defined in GB/T 19596 (see
chapter 3 in edition 2001);
— Add the definition of “rechargeable energy storage system” (see 3.1);
— Add the definition of “power system” (see 3.2);
— Add the definition of “maximum working voltage” (see 3.3);
— Add the definition of “voltage class B electric circuits” (see 3.4);
— Add the definition of “single-point failure” (see 3.5);
— Revise the test conditions of REESS insulation resistance measurement (see 5.1.2;
6.1.1 in edition 2001);
— Modify the calculation method of REESS insulation resistance (see 5.1.3; 6.1.1 in
edition 2001);
— Revise the requirements for REESS insulation resistance value (see 5.1.4; 6.1.2 in
edition 2001);
— Revise the requirements for the discharge of harmful gases and harmful substances
(see 5.3; chapter 5, 6.3 and 6.4 in edition 2001);
— Add the regulations on heat generated by REESS (see 5.4);
— Delete the special requirements on on-board energy storage device collision (see
chapter 8 in edition 2001);
— Delete annex A in edition 2001;
— Delete annex B in edition 2001.
This Part uses re-drafting method to modify and adopt ISO 6469-1.2009 “Electrically
Propelled Road Vehicles - Safety Specifications - Part 1. On-board Rechargeable Energy
Storage System (RESS)”.
Technical differences between this Part and ISO 6469-1.2009, as well as the reasons, are
as follows.
— Delete some terms and definitions that have already been defined in GB/T 19596,
as shown in chapter 3;
— Delete the description on chapter 4 “Environment and operating conditions” in ISO
6469-1.2009. The relevant content has been included in experimental conditions,
and the following chapter numbers are increased sequentially, as shown in chapter
4;
— Add requirements for REESS category marking, so as to be convenient for
identification by maintenance and rescue personnel;
— Delete the provision that on-board insulation resistance monitoring system may be
used to measure the insulation resistance value of the entire circuit, so as to replace
REESS insulation resistance measurement of this Part, as shown in 6.1.3;
— Delete the requirements for collision test. There are corresponding collision
standards; the following chapter numbers are increased sequentially, as shown in
chapter 7.
This Part was proposed by Ministry of Industry and Information Technology of the
People’s Republic of China.
This Part shall be under the jurisdiction of National Technical Committee of Auto
Standardization (SAC/TC 114).
The responsible drafting organizations of this Part. China Automotive Technology
Research Center, Anhui Ankai Automobile Co., Ltd., Hunan CSR Times Electric Vehicle
Co., Ltd. AND Shanghai Motor Vehicle Inspection Center.
The participating drafting organizations of this Part. National Automobile Quality
Supervision and Inspection Center (Changchun), China Faw Group Corporation R&D
Center, National Automobile Quality Supervision and Inspection Center (Xiangyang), Faw
- Volkswagen Co., Ltd., Haima Automobile Group Co., Ltd., Chongqing Changan New
Energy Automobile Co., Ltd., Pan Asia Technical Automotive Center Co., Ltd., Huachen
Group Auto Holding Co., Ltd., BYD Auto Industry Company Limited, Shanghai Jieneng
Auto Technology Co., Ltd., Chery New Energy Automotive Technology Co., Ltd., Shanghai
Volkswagen Automobile Co., Ltd., SGMW, Liuzhou Wuling Motors Co., Ltd., China
Automotive Engineering Research Institute Co., Ltd., Zhejiang Geely Holding Group Co.,
Ltd., Zhengzhou Yutong Group Co., Ltd., Beiqi Foton Motor Co., Ltd., Xiamen Golden
Dragon Bus Co., Ltd. AND SAE Industrial Consulting Services (Shanghai) Co., Ltd.
The main drafters of this Part. Zhang Yingnan, Xu Zhihan, Xiong Liangping, Liu Lin,
Huang Zhongrong, Chen Shundong, Liu Guibin, Xu Junhui, Xu Zhiguang, Shen Jianping,
Cui Fengtao, Zhu Xiaoming, Miao Wenquan, Zhang Tianjiang, Huang Mi, Ni Xinyu, Su
Ling, Zhu Daoping, Jiang Shijun, Wang Hongjun, Qiu Jie, Du Zhiqiang, Huang Zhongwen,
Fang Yunzhou, Sui Tao, Fan Dapeng, Fu Xin, Wang Kan, Zhang Xiangjie and Hongyang.
This Part was first-time released in July, 2001; this is the first revision.
Electrically propelled road vehicles - Safety specifications -
Part 1. On-board rechargeable energy storage system
(REESS)
1 Scope
This Part specifies the requirements for on-board rechargeable energy storage system
(REESE) of electrically propelled road vehicle’s voltage class B driven electric circuit
system, so as to ensure the safety of personnel inside and outside vehicles and vehicle
environment.
This Part applies to electrically propelled road vehicles of which the maximum working
voltage of on-board driving system is voltage class B. Electric motorcycles and electric
mopeds may reference for implementation.
This Part does not apply to non-road vehicles, e.g. material carrying trucks and forklifts.
This Part is not applicable to guide the assembly, maintenance and repair of electrically
propelled road vehicles. Electromechanical flywheel (vehicle) is not included in this Part.
2 Normative references
The following documents are indispensable for the application of this document. For the
dated documents so quoted, only the dated versions apply to this document. For the
undated documents so quoted, the latest versions (including all modification sheets) apply
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/T 5465.2 Graphical symbols for use on electrical equipment - Part 2. Graphical
symbols (GB/T 5465.2-2008, IEC 60417 DB.2007, IDT)
GB/T 16935.1 Insulation coordination for equipment within low-voltage systems - Part
1. Principles requirements and tests (GB/T 16935,1-2008, IEC 60664-1.2007, IDT)
GB/T 19596 Terminology of electric vehicles (GB/T 19596-2004, ISO 8713.2002, NEQ)
3 Terms and definitions
The following terms and definitions AND the ones defined in GB/T 19596 apply to this
document.
3.1
Rechargeable energy storage system
REESS
Energy storage system that is rechargeable and may provide electric energy, e.g. storage
battery, capacitor.
3.2
Electric power system
Circuit, including power source (e.g. fuel cell stack, storage battery).
3.3
Maximum working voltage
The effective value of possible alternating current (a.c.) voltage or the maximum value of
direct current (d.c.) voltage of electric power system under normal working conditions.
Transient state peak value is ignored.
3.4
Voltage class B electric circuits
Electrical modules or circuits of which the maximum working voltage is greater than 30 V
a.c. (rms) and less than or equal to 1 000 V a.c. (rms); or the maximum working voltage is
greater than 60 V direct current (d.c.) and less than or equal to 1 500 V direct current
(d.c.).
3.5
Single-point failure
Failure caused by malfunction of system or part (including hardware, software) of the
system that are not protected by a safety mechanism.
4 Marks and logos
Warning mark shown in Figure 1 shall be used in REESS of voltage class B circuit.
Background color of the symbol is yellow; the frame and arrow are black. It shall follow the
provisions in GB 2893, GB 2894 and GB/T 5465.2.
Figure 3 Creepage distance
5.3 Discharge of harmful gases and harmful substances
In order to prevent explosion, fire or toxic substances, when REESS may discharge
harmful gases or other harmful substances under normal ambient and operation
conditions, the following requireme...
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