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GB/T 33978-2017

Chinese Standard: 'GB/T 33978-2017'
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Detail Information of GB/T 33978-2017; GB/T33978-2017
Description (Translated English): Proton exchange membrane fuel cell modules for road vehicles
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K82
Classification of International Standard: 27.070
Word Count Estimation: 18,191
Date of Issue: 2017-07-12
Date of Implementation: 2018-02-01
Drafting Organization: Xinyuan Power Co., Ltd., Shanghai Automotive Group Co., Ltd., Tongji University, Tsinghua University, Wuhan Zhongyu Power System Technology Co., Ltd., Wuhan University of Technology, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Beijing billion Huatong Technology Co., Ltd. Ltd., Beijing Science and Technology Institute of Electrical and Mechanical Technology, Nanjing Institute of Electrical and Mechanical Technology, Nanjing Institute of Electrical and Mechanical Technology, Nanjing Institute of Science and Technology, Technology Co., Ltd.
Administrative Organization: National Standard Committee on Fuel Cell and Liquid Flow Battery (SAC / TC 342)
Proposing organization: China Electrical Appliances Industry Association
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China, China National Standardization Administration Committee

GB/T 33978-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 27.070
K 82
Proton exchange membrane
fuel cell modules for road vehicles
道路车辆用质子交换膜燃料电池模块
ISSUED ON. JULY 12, 2017
IMPLEMENTED ON. FEBRUARY 1, 2018
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
Foreword . 3 
1 Scope .. 4 
2 Normative References . 4 
3 Terms and definitions . 5 
4 Requirements . 5 
5 Test preparation . 7 
6 Test methods .. 9 
7 Inspection rules .. 14 
8 Marking, packaging, transportation and storage . 14 
9 Documents . 16 
Annex A (Informative) Vibration test . 18 
Bibliography . 22 
Proton exchange membrane
fuel cell modules for road vehicles
1 Scope
This Standard specifies the requirements, test equipment, test methods, inspection
rules and marking, packaging, transportation and storage, etc. for proton exchange
membrane fuel cell modules for road vehicles.
This Standard applies to proton exchange membrane fuel cell modules for road
vehicles (hereinafter referred to as modules).
2 Normative References
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition dated applies to this document. For
undated references, the latest edition of the referenced documents (including all
amendments) applies to This Standard.
GB/T 4208-2008, Degrees of protection provided by enclosure (IP code)
GB/T 17619-1998, Limits and methods of testing for immunity of electrical/electronic
sub-assemblies in vehicles to electromagnetic radiation
GB/T 18384.3, Electrically propelled road vehicles - Safety specifications - Part 3.
Protection of persons against electric shock
GB/T 18655-2010, Vehicles boats and internal combustion engines - Radio
disturbance characteristics - Limits and methods of measurement for the protection
of on-board receivers
GB/T 19951-2005, Road vehicles - Test methods for electrical disturbances from
electrostatic discharge
GB/T 20042.2-2008, Proton exchange membrane fuel cell - General technical
specification of fuel cell stacks
GB/T 21437.2-2008, Road vehicles - Electrical disturbances from conduction and
coupling - Part 2. Electrical transient conduction along supply lines only
GB/T 24549-2009, Fuel cell electric vehicles - Safety requirements
4.5 Allowable working pressure requirements
Conduct test as specified in 6.4. Modules shall be free from fractures, cracks,
permanent deformations or other physical damages.
4.6 Pressure resistance requirements for cooling system
Conduct test as specified in 6.5. The cooling system of modules shall be free from
fractures, cracks, permanent deformations or other physical damages; and if the
system contains liquid as a cooling agent, the cooling agent shall not leak during test.
4.7 Overpressure requirements
If a complete vehicle has requirements on modules, then the requirements of the
complete vehicle shall be met. If there are no special requirements, conduct test as
specified in 6.6. Modules shall meet the overpressure requirements specified in 5.8 of
GB/T 29838-2013.
4.8 Differential pressure requirements
If a complete vehicle has requirements on modules, then the requirements of the
complete vehicle shall be met. If there are no special requirements, conduct test as
specified in 6.7. Modules shall be free from fractures, cracks, permanent deformations
or other physical damages.
4.9 Electromagnetic compatibility requirements
Conduct test as specified in 6.8. Modules shall possess certain electromagnetic
compatibility, and shall meet relevant requirements of GB/T 18655-2010, GB/T 17619-
1998 and GB/T 21437.2-2008.
4.10 Waterproofing and dustproofing requirements
If a complete vehicle has requirements on modules, then the requirements of the
complete vehicle shall be met. If there are no special requirements, conduct test as
specified in 6.9. The waterproofing of modules shall meet the requirements of degree
IPX5 of GB/T 4208-2008; and the dustproofing shall meet the requirements of degree
IP5X of GB/T 4208-2008.
4.11 Performance requirements
The manufacturer and the purchaser shall agree on specific test items and conditions.
Conduct test as specified in 6.10. The power and polarization curve shall meet the
requirements of the purchaser.
4.12 Insulation requirements
Conduct test as specified in 6.11. The insulation shall meet relevant requirements of
GB/T 24549-2009.
Monitoring and control of module temperature - being capable of testing and controlling
the temperature of circulation cooling liquid and the temperature of reactant gas in and
out of modules, as needed.
Instruments for monitoring current, voltage and power of modules and data acquisition
- during test, measuring and recording the current, voltage and power of modules.
Safety control system - safety control system shall be capable of stopping test
automatically in case of any alarm of monitoring modules. It is recommended that the
anode and cathode pipelines have the capability of purging inert gas. For the out of
limit alarming of high/low cell voltage, pressure and temperature as well as gas leakage,
it is also recommended that a linked trigger device be provided; and meanwhile, an
appropriate ventilation equipment shall be provided.
Monomer voltage test - being capable of testing monomer voltage of modules to
monitor their consistency and attenuation.
Circulation cooling liquid conductivity test - testing the conductivity of circulation
cooling liquid of modules.
5.1.2 High-low temperature environment test chambers
High-low temperature environment test chambers shall be capable of meeting the
high-low environmental conditions required by test; and the temperature uniformity and
temperature control accuracy inside chambers shall meet the requirement of setting
temperature ± 20°C. High-low temperature environment test chambers are provided
with module operation gas supply, cooling agent and circuit interfaces; and they are
provided with hydrogen alarms and exhaust outlets inside chambers, to ensure the
safety during test.
5.1.3 Vibration test platform
Vibration test platform shall be capable of meeting the requirements for module
vibration test and vibrating in the longitudinal direction, lateral direction, vertical
direction, etc.
5.2 Measuring instruments and accuracies
The measuring instruments for module test shall, at least, include.
a) the instruments measuring environmental conditions. barometers, hygrometers
and temperature measuring instruments;
b) the instruments measuring fuel. fuel flow meters, pressure measuring
instruments, temperature measuring instruments and humidity measuring
instruments;
c) the instruments measuring oxidizing agent. oxidizing agent flow meters, pressure
measuring instruments, temperature measuring instruments and humidity
whether there is any high-voltage electricity warning sign on the surface of
modules;
-- polarity inspection. When conducting test of 6.12, use a voltmeter to check the
polarity of terminals of modules;
-- inspection of dimensions and weight. Use a measuring tool and a weighing
apparatus to measure the dimensions and mass of modules.
6.2 Leakage test
At room temperature, use anode gas or helium to inject into the anode cavity, cathode
cavity and cooling liquid cavity of modules; and inflate gradually to the maximum
operating pressure, i.e. 1.5 times of nominal pressure, to conduct leakage test. The
gas leakage is lower than the value required by the purchaser. Maintain the pressure
at the inlet of modules stable; and use a flow meter installed at the inlet of modules to
measure the gas leakage for 10 min.
6.3 Hydrogen leakage rate test
6.3.1 Hydrogen out-leakage test
Under the conditions of stack temperature and intake pressure during the normal
operation of modules, test the hydrogen out-leakage of modules during the operating
process. Conduct test indoors where there is no wind; the requirements for test points
and leakage concentration upper limits can be agreed on by the purchaser and the
manufacturer; and if there are no clear requirements, conduct measurement in
accordance with the following requirements.
For encapsulated modules, provide air intake (1) and air outtake(s) (1 or more); let a
certain amount of air or inert gas (the specific gas intake amount as decided by the
purchaser and the manufacturer) pass through the gas intake of modules to get inside
modules; and then discharge through the gas outtake. During the operation of modules,
use a hydrogen leakage detector to test the hydrogen concentration in the gas outtake
pipe of modules; take t......
Related standard:   GB/T 33979-2017  GB/T 33983.1-2017
   
 
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