GB/T 24347-2021 (GB/T24347-2021, GBT 24347-2021, GBT24347-2021) & related versions
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GB/T 24347-2021
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.080.01
CCS T 47
Replacing GB/T 24347-2009
DC/DC Converter for Electric Vehicles
ISSUED ON: AUGUST 20, 2021
IMPLEMENTED ON: MARCH 1, 2022
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative References ... 5
3 Terms and Definitions ... 6
4 Technical Requirements ... 7
4.1 Appearance Requirements ... 7
4.2 Input and Output Performance ... 8
4.3 Protective Functions ... 9
4.4 Environmental Adaptability ... 10
4.5 Electromagnetic Compatibility ... 11
4.6 Electrical Safety ... 14
5 Test Methods ... 15
5.1 Test Requirements ... 15
5.2 Appearance Test ... 16
5.3 Input and Output Performance Test ... 16
5.4 Protective Functions Test ... 21
5.5 Environmental Adaptability Test ... 24
5.6 Electromagnetic Compatibility Test ... 25
5.7 Electrical Safety Test ... 26
Bibliography ... 28
DC/DC Converter for Electric Vehicles
1 Scope
This Standard specifies the technical requirements and test methods of DC/DC
converter for electric vehicles.
This Standard is applicable to DC/DC converter for electric vehicles. Other circuits with
DC/DC conversion function may take this document as a reference.
2 Normative References
The contents of the following documents constitute indispensable clauses of this
document through 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 18655-2018 Vehicles, Boats and Internal Combustion Engines - Radio
Disturbance Characteristics - Limits and Methods of Measurement for the Protection
of On-board Receivers
GB/T 19596 Terminology of Electric Vehicles
GB/T 19951 Road Vehicles - Disturbances Test Methods for Electrical / Electronic
Component from Electrostatic Discharge
GB/T 28046.3-2011 Road Vehicles - Environmental Conditions and Testing for
Electrical and Electronic Equipment - Part 3: Mechanical Loads
GB/T 28046.4-2011 Road Vehicles - Environmental Conditions and Testing for
Electrical and Electronic Equipment - Part 4: Climatic Loads
GB/T 29259 Road Vehicle - Electromagnetic Compatibility Terminology
ISO 7637-2:2011 Road Vehicles - Electrical Disturbances from Conduction and
Coupling - Part 2: Electrical Transient Conduction along Supply Lines Only
ISO 7637-3:2016 Road Vehicles - Electrical Disturbances from Conduction and
Coupling - Part 3: Electrical Transient Transmission by Capacitive and Inductive
Coupling via Lines Other Than Supply Lines
ISO 11452-2 Road Vehicles - Component Test Methods for Electrical Disturbances
from Narrowband Radiated Electromagnetic Energy - Part 2: Absorber-lined Shielded
Figure 1 -- Schematic Diagram of Overshoot and Response Time
3.3 Quiescent Current
Quiescent current refers to the current of the low-voltage battery consumed by the
DC/DC converter in the dormant state.
3.4 Weighted Efficiency
Weighted efficiency refers to the weighted average value of each efficiency of the load
spectrum corresponding to the DC/DC converter.
3.5 DC/DC for High Voltage Output
DC/DC for high voltage output refers to DC/DC converter with rated output voltage
level greater than 60 V and not greater than 1,500 V.
3.6 DC/DC for Low Voltage Output
DC/DC for low voltage output refers to DC/DC converter with rated output voltage level
not greater than 60 V.
3.7 Ripple Factor
Ripple factor refers to the ratio of the half of the difference between the peak value and
the valley value of the pulsating DC power to the absolute value of its DC component.
[source: GB/T 19826-2014, 3.8]
4 Technical Requirements
4.1 Appearance Requirements
4.1.1 The outer surface of the DC/DC converter for electric vehicles (hereinafter
referred to as “DC/DC”) shall manifest no obvious defects, for example, damage or
deformation.
4.1.2 The terminals or lead wires of the DC/DC shall be intact and undamaged; the
fastener connections shall not be loose.
4.1.3 The accessible surface of the DC/DC shall be free of rust, burrs, trimmings and
similar sharp edges.
4.1.4 The installation of the marks containing product information shall be upright and
firm, and the handwriting shall be clear.
4.2.5 Quiescent current
When the DC/DC does not have output, for the port that has a fixed electrical
connection with the low-voltage battery (cannot be controlled to disconnect), the
quiescent current shall not be greater than 3 mA.
4.2.6 Ripple factor of output voltage
The ripple factor of the DC/DC output voltage shall not be greater than 5%.
4.3 Protective Functions
4.3.1 Input overvoltage and undervoltage protection
When the DC/DC input voltage is greater than or equal to the overvoltage protection
value, or less than or equal to the undervoltage protection value, the output shall be
turned off or limited. After troubleshooting, the output can be automatically restored, or
after necessary human intervention.
The input overvoltage protection value and input undervoltage protection value shall
comply with the stipulations of the product technical documents.
4.3.2 Output overvoltage and undervoltage protection
When the DC/DC output voltage is greater than or equal to the overvoltage protection
value, or less than or equal to the undervoltage protection value, the output shall be
turned off or limited. After troubleshooting, the output can be automatically restored, or
after necessary human intervention.
The output overvoltage protection value and output undervoltage protection value shall
comply with the stipulations of the product technical documents.
4.3.3 Output short-circuit protection
For the DC/DC with short-circuit protection function, when a short-circuit occurs at the
DC/DC output terminal, the power output shall be turned off or limited. After
troubleshooting, the output can be automatically restored, or after necessary human
intervention.
4.3.4 Over-temperature protection
The DC/DC shall have over-temperature protection function. When the temperature of
the DC/DC temperature sampling point reaches the set value of the over-temperature
protection, the output shall be turned off or limited. After troubleshooting, the output
can be automatically restored, or after necessary human intervention.
The over-temperature protection value shall comply with the product technical
documents.
The high-temperature operation resistance of the DC/DC shall comply with the
requirements of 5.1.2.2 in GB/T 28046.4-2011.
4.4.4 Damp heat
4.4.4.1 Damp heat cycle
The damp heat cycle resistance of the DC/DC shall comply with the requirements of
5.6 in GB/T 28046.4-2011.
4.4.4.2 Steady-state damp heat
The steady-state damp heat resistance of the DC/DC shall comply with the
requirements of 5.7 in GB/T 28046.4-2011.
4.4.5 Salt spray
The salt spray resistance of the DC/DC shall comply with the requirements of 5.5 in
GB/T 28046.4-2011.
4.4.6 Vibration resistance
The vibration resistance of the DC/DC shall comply with the requirements of 4.1 in
GB/T 28046.3-2011.
4.4.7 Mechanical shock
The mechanical shock resistance of the DC/DC shall comply with the requirements of
4.2 in GB/T 28046.3-2011.
4.5 Electromagnetic Compatibility
4.5.1 Functional feature status
Functional feature status, which defines the expected target of functional features of
the device under test (DUT) in the test environment, is applicable to each independent
function of the DUT. It describes the working status of the expected function during and
after the test. Four functional feature statuses are provided below:
---Status I: the design function can be completed during and after the test;
---Status II: the design function cannot be completed during the test, but it can
automatically return to the normal status after the test;
---Status III: the design function cannot be completed during the test, but after the
test, through the simple operation of the testing personnel, it can return to the
normal status, for example, by turning on / off the DUT, or restarting;
---Status IV: the design function cannot be completed during the test, and more
4.5.3.1.1 For the measurement of unshielded systems and low-voltage artificial
network radio frequency ports through the conducted emission voltage method, the
limits shall comply with the limit requirements of Level-3 in Table 5 of GB/T 18655-2018,
or the stipulations of the product technical documents.
4.5.3.1.2 The measurement through the conducted voltage method by the shielded
power supply device shall comply with the limit requirements of Level-3 in Table I.1 of
GB/T 18655-2018, or the stipulations of the product technical documents.
4.5.3.1.3 The limits of the DC/DC conducted emission current probe method shall
comply with the limit requirements of Level-3 in Table 6 of GB/T 18655-2018, or the
stipulations of the product technical documents.
4.5.3.2 Radiated emission disturbance
The DC/DC radiated emission disturbance shall comply with the limit requirements of
Level-3 in Table 7 of GB/T 18655-2018, or the stipulations of the product technical
documents.
4.5.3.3 Electrical transient conduction disturbance along the power line
The electrical transient conduction disturbance of DC/DC along the power line shall
satisfy the requirements of Level III in Appendix B of ISO 7637-2:2011.
4.6 Electrical Safety
4.6.1 Insulation resistance
The insulation resistance of DC/DC shall satisfy the following requirements, or the
stipulations of the product technical documents.
a) The insulation resistance between each independent live circuit and the
ground (enclosure) shall be not less than 10 M;
b) The insulation resistance between the circuits without electrical connection
shall be not less than 10 M.
4.6.2 Voltage resistance
The voltage resistance between each independent circuit and the ground (enclosure)
and between the circuits without electrical connection shall comply with the stipulations
of Table 6. The duration of the voltage resistance test is 1 min; there shall be no
breakdown or arcing, and the leakage current limits shall comply with the stipulations
of the product technical documents.
---the DC/DC weighted efficiency, expressed in (%);
i---working condition No.;
n---total number of working conditions;
i---the efficiency of the DC/DC converter under i working condition, expressed in (%);
Pouti---the output power of the DC/DC converter under i working condition;
Pini---the input power of the DC/DC converter under i working condition;
wi---the load weight of the DC/DC converter under i working condition.
5.3.3 Rated power test
The test methods and steps are as follows:
a) In accordance with Figure 2, properly connect the test circuit. Make the
DC/DC working voltage value equal to the rated voltage value. Set the
electronic load to constant-current (or constant-resistance) load mode;
b) Adjust the load current, so that the product with the rated voltage is not less
than the rated power;
c) Continuously work for no less than 2 h. Every 0.5 h, record the output voltage
and the output current value; calculate the output power value.
5.3.4 Control error test
5.3.4.1 Voltage control error test
The test methods and steps are as follows:
a) In accordance with Figure 2, properly connect the test circuit. Set the
electronic load to constant-current (or constant-resistance) load mode;
b) Under the conditions of rated input and rated output, turn on the DC/DC; make
it work in a constant-voltage output state. The voltage is a certain set value
Uzo within the controlled range of the DC/DC;
c) Respectively adjust the input voltage to the minimum input voltage, the rated
input voltage and the maximum input voltage. Respectively adjust the output
load to 20% (or the minimum load given in the product technical documents),
50% and 100% of the load capacity under the current conditions. At this
moment, respectively measure the actual voltage Uz of the DC/DC. In
accordance with Formula (2), calculate the output voltage error:
b) Under the conditions of rated input, turn on the DC/DC; make it work under
the minimum load (load current is greater than zero);
c) Gradually adjust the DC input voltage to the overvoltage protection value or
the undervoltage protection value, until the DC/DC is turned off or the output
is limited;
d) Gradually adjust the DC input voltage from the overvoltage protection value
or the undervoltage protection value to the normal operating voltage range
and observe the DC/DC output status; or re-start the DC/DC under rated
conditions and observe its output status.
5.4.2 Output overvoltage and undervoltage protection test
5.4.2.1 Output overvoltage protection test
The test methods and steps are as follows:
a) In accordance with Figure 2, properly connect the test circuit. The output
terminal is connected to a DC voltage source;
b) Under the conditions of rated input, turn on the DC/DC. Set the output voltage
to the rated output voltage value;
c) Turn on the DC source at the output terminal; adjust the voltage source at the
output terminal to the output overvoltage protection value, until the DC/DC is
turned off or the output is limited;
d) Turn off the DC source at the output terminal and observe the DC/DC output
status; or re-start the DC/DC under rated conditions and observe its output
status.
5.4.2.2 DC output undervoltage protection test
The test methods and steps are as follows:
a) In accordance with Figure 2, properly connect the test circuit. Set the
electronic load to constant-resistance (or constant-voltage) load mode;
b) Under the conditions of rated input, turn on the DC/DC; make it work in the
output current limit state;
c) Reduce the resistance value of the electronic load (or reduce the voltage
setting value of the electronic load), so that the output voltage gradually
reaches the undervoltage protection value; observe the DC/DC output status;
d) Restore the electronic load resistance value to the rated load state (or set the
constant-voltage setting value to the DC/DC rated output voltage) and
observe the DC/DC output status; or re-start the DC/DC under rated
conditions and observe its output status.
5.4.3 Output short-circuit protection test
5.4.3.1 Short-circuit protection test before starting
The test methods and steps are as follows:
a) In accordance with Figure 2, properly connect the test circuit. Short-circuit the
DC/DC output DC positive and negative poles;
b) Under the conditions of rated input, turn on the DC/DC; check the DC/DC
status;
c) After the output short circuit is removed, observe its output status; or re-start
the DC/DC under rated conditions and observe its output status.
5.4.3.2 Short-circuit protection test during operation
The test methods and steps are as follows:
a) In accordance with Figure 2, properly connect the test circuit;
b) Under the conditions of rated input, turn on the DC/DC; make it in the rated
working state;
c) Short-circuit the output DC positive and negative poles; check the DC/DC
working status;
d) After the output short circuit is removed, observe its output status; or re-start
the DC/DC under rated conditions and observe its output status.
5.4.4 Overtemperature protection test
The DC/DC overtemperature protection test shall be performed in accordance with the
following methods:
---For air-cooled DC/DC, after the high-temperature operation test, continue to
gradually increase the temperature of test chamber to the over-temperature
protection value, observe and record the DC/DC working status. Restore the
test chamber to the temperature range, in which, the rated operation of the
DC/DC is possible, and the DC/DC can automatically restore the output or
restore the output after necessary human intervention.
---For liquid-cooled DC/DC, after the high-temperature operation test, gradually
increase the temperature of the coolant to the over-temperature protection
value, observe and record the DC/DC working status. Restore the temperature
5.5.4 Salt spray test
The salt spray test of the DC/DC shall be performed in accordance with the stipulations
of 5.5 in GB/T 28046.4-2011.
5.5.5 Vibration test
In accordance with the installation location, the vibration test of the DC/DC shall be
performed in accordance with the stipulations of 4.1 in GB/T 28046.3-2011.
NOTE: vibration test requires power-on test, which can be tested with small load.
5.5.6 Mechanical shock test
The mechanical shock test of the DC/DC under the non-working status shall be
performed in accordance with 4.2 in GB/T 28046.3-2011.
5.6 Electromagnetic Compatibility Test
5.6.1 Working status
When the DC/DC receives the electromagnetic compatibility test under the working
status, if there are no special requirements, the DC/DC works under the rated input
voltage and the rated output voltage, and the output power reaches 30% of the rated
power.
5.6.2 Electromagnetic immunity test
5.6.2.1 Electrostatic discharge immunity test
The test arrangement and test method shall comply with GB/T 19951.
5.6.2.2 Low-voltage electrical transient conduction immunity test along the
power line
The test arrangement and test method shall comply with the requirements of different
impulse tests on the low-voltage input power line in Chapter 4 of ISO 7637-2:2011.
5.6.2.3 Low-voltage conduction immunity test along the non-power line
The test arrangement and test method shall comply with the requirements of ISO 7637-
3:2016.
5.6.2.4 Anechoic chamber immunity test
The test arrangement and test method shall comply with the requirements of ISO
11452-2.
5.6.2.5 Bulk current injection (BCI) method immunity test
The test arrangement and test method shall comply with the requirements of ISO
11452-4.
5.6.2.6 Magnetic field immunity test
The test arrangement and test method shall comply with the requirements of ISO
11452-8:2015.
5.6.3 Electromagnetic emission disturbance test
5.6.3.1 Conducted emission disturbance test
The test arrangement and test method shall comply with the requirements of GB/T
18655-2018. The test shall be performed at the input port.
The voltage method is used to assess the characteristics of disturbance signals
transmitting along low-voltage power lines and high-voltage wiring harnesses.
The current probe method is used to assess the characteristics of disturbance signals
transmitting along low-voltage wiring harnesses.
5.6.3.2 Radiated emission disturbance test
The test arrangement and test method shall comply with the requirements of GB/T
18655-2018.
5.6.3.3 Low-voltage electrical transient conduction disturbance test along the
power line
The test arrangement and test method shall comply with the requirements of ISO 7637-
2:2011.
5.7 Electrical Safety Test
5.7.1 Insulation resistance test
When the DC/DC is not working, use an insulation resistance tester to measure the
insulation resistance of the DC/DC; apply a DC test voltage of 500 V and maintain a
steady-state value for 60 s, then, determine the insulation resistance.
5.7.2 Voltage resistance test
During the test, the terminals of the same independent circuit loop in the DC/DC shall
be short-circuited. In accordance with the voltage resistance value in Table 6, apply
the test voltage:
a) Between the terminal and the ground (enclosure);
b) Between circuits without electrical connection.
......
GB/T 24347-2009
GB/T24347-2009
GB
ICS 43.080.01
T 47
NATIONAL STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
The DC/DC converter for electric vehicles
ISSUED ON. SEPTEMBER 30, 2009
IMPLEMENTED ON. FEBRUARY 1, 2010
Issued by. General Administration of Quality Supervision, Inspection
and Quarantine of the People’s Republic of China;
Standardization Administration of China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 5
4 Classification and model designation ... 7
5 Requirements ... 7
6 Test method ... 10
7 Inspection rules ... 14
8 Labeling, packaging, transportation, and storage ... 16
Foreword
This Standard was proposed by National Development and Reform Commission.
This Standard shall be under the jurisdiction of National Technical Committee on Road
Vehicles of Standardization Administration of China.
The responsible drafting organizations of this Standard. Tsinghua University, Chinese
Automotive Technology & Research Centre, Beijing University of Aeronautics and
Astronautics, and CSR’S Zhuzhou Electric Locomotive Research Institute.
The chief drafting staffs of this standard. Chen Quanshi, He Yuntang, Gao Dawei, Qi
Bojin, Shi Shuangrong, Yang Weibin, and Wu Lixun.
The DC/DC converter for electric vehicles
1 Scope
This Standard specifies the requirements, test method, inspection rules, labeling,
packaging, transportation and storage, etc. for the DC/DC converter for electric vehicles.
This Standard applies to the DC/DC converter of power supply for electric vehicles. For
the DC/DC converter used for low voltage power system (12V, 24V) of accessories and
control systems, it may reference to the relevant contents of this Standard.
The power rating of DC/DC converters involved in this Standard is KW-level (1 kW ~ 200
kW). It does not include modular low-power DC/DC converters.
2 Normative references
The articles contained in the following documents have become part of this Standard
when they are quoted herein. For the dated documents so quoted, all the modifications
(excluding corrections) or revisions made thereafter shall not be applicable to this
Standard. For the undated documents so quoted, the latest editions shall be applicable to
this Standard.
GB/T 2423.1 Environmental testing for electric and electronic products – Part 2. Test
methods – Tests A. Cold (GB/T 2423.1-2008, IEC 60068-2-1. 2007, IDT)
GB/T 2423.2 Environmental testing for electric and electronic products – Part 2. Test
methods – Tests A. Hot (GB/T 2423.2-2008, IEC 60068-2-2. 2007, IDT)
GB/T 2423.17 Environmental testing for electric and electronic products – Part 2. Test
methods – Tests Ka. Salt spray (GB/T 2423.17-2008, IEC 60068-2-1. 1981, IDT)
GB 4208-2008 Degrees of protection provided by enclosure (IP code) (IEC 60529.2001,
IDT)
GB 14711-2006 General requirements for safety of small and medium size rotating
electrical machines
GB/T 17619-1998 Limits and methods of testing for immunity of electrical / electronic
sub-assemblies in vehicles to electromagnetic radiation
The earthing point shall be clearly indicated with earthing mark.
5.9 Electrical gap and creepage distance
The electrical gap and creepage distance shall be in accordance with the relevant
requirements specified in Table 3 of GB/T 18488.1-2006.
5.10 Rated power
The maximum output power from the DC/DC converter shall be greater than or equal to
the rated power value indicated on the nameplate after the temperature rise is stable,
under specified environmental condition, rated voltage, and continuous operating
condition.
5.11 Peak output power and duration
For a DC/DC converter, the overloading output power shall not be less than 1.2 times of
its rated power. The operating duration measured at peak value according to the method
as mentioned in sub-clause 6.11 shall not be less than 6 min.
5.12 Electromagnetic compatibility (EMC)
For a DC/Dc converter, the conductive interference and radiated interference generated
during operation shall not exceed the limits specified in clauses 12 and 14 in GB 18655-
2002.
The anti-interference of an operating DC/DC converter shall comply with clause 4 of
GB/T 17619-1998.
5.13 Dynamic response time
The dynamic response time of a DC/DC converter shall meet the delivery documents
signed by the manufacturer and user.
5.14 Reliability
The mean time between failures (MTBF) of a DC/DC converter shall not be less than
3000 h, under the rated load or according to the set condition of cyclic operation.
5.15 Durability
The durability requirements of a DC/DC converter shall meet the delivery documents
signed by manufacturer and user.
For a DC/DC converter, the humidity test shall be carried out in accordance with sub-
clause 3.11 of QC/T 413-2002, for 2 cycles. During test, when 0 ~ 45°C, the DC/DC
converter shall operate at normal state.
6.1.3 Salt spray
The salt spray test shall be in accordance with the relevant requirements of GB/T
2423.17. The DC/DC shall be properly installed. The recommended test duration shall be
16 h, 24 h and 48 h. Upon completion of test, and after the DC/DC converter is recovered
for 1 h ~ 2 h, check if it can operate normally after energized.
6.2 Vibration test
A DC/DC converter shall be performed for vibration test in accordance with sub-clause
3.12 of QC/T 413-2002.
6.3 Mechanical strength of outer housing
Evenly apply a force equivalent to a weight of 100 kg onto an arbitrary area of 30 cm × 30
cm on the surface of the outer housing of the DC/DC converter. Observe the plastic
deformation on the surface.
6.4 Protection level
Test shall be carried out in accordance with GB 4208-2008 with respect to IP55.
6.5 Noise
A DC/DC converter shall be performed for operating noise in accordance with sub-clause
4.4 of QC/T 413-2002.
6.6 Insulation performance
Under the condition that the DC/DC converter is not operated, when the ambient
temperature is 23°C±2°C and relative humidity is 80% ~ 90%, use a 1000V megger (or
other instrument with the same function and precision level) to measure the insulation
resistance between the live circuit of a DC/DC converter and the earth (outer housing).
6.7 Performance of voltage withstanding
Under the condition that the DC/DC converter is not operated, when the ambient
temperature is 23°C±2°C and relative humidity is 80% ~ 90%, use a voltage withstanding
tester with a measuring range of 2000 V (DC) (or rated voltage of +1500 V) to measure
b) Certificate of conformity; and
c) Instructions for use.
8.3 Transportation
8.3.1 During transportation, the product shall be kept away from serious mechanical
impact, strong sunlight and rain, not turned upside down.
8.3.2 During loading/unloading, handle the product with care. Strictly avoid throwing,
rolling and heavy load.
8.4 Storage
8.4.1 The product may be stored in a dry, clean, and well-ventilated warehouse with a
temperature range from -30 ~ +70°C.
8.4.2 The product shall not be exposed to direct sunlight and kept away from heat source
by not less than 2 m.
8.4.3 The product shall not be turned upside down and shall avoid mechanical impact
and heavy load.
......
Standard ID | GB/T 24347-2021 (GB/T24347-2021) | Description (Translated English) | DC/DC converter for electric vehicles | Sector / Industry | National Standard (Recommended) | Classification of Chinese Standard | T47 | Classification of International Standard | 43.080.01 | Word Count Estimation | 22,232 | Date of Issue | 2021-08-20 | Date of Implementation | 2022-03-01 | Older Standard (superseded by this standard) | GB/T 24347-2009 | Drafting Organization | Suzhou Inovance United Power System Co., Ltd., Beijing New Energy Automobile Co., Ltd., Huawei Technologies Co., Ltd., Shanghai Pandong Electric Technology Co., Ltd., China Automotive Technology Research Center Co., Ltd., Hangzhou Forte Technology Co., Ltd., Shanghai Weilai Automobile Co., Ltd., BYD Automobile Industry Co., Ltd., China Automotive Research Institute Automobile Inspection Center (Tianjin) Co., Ltd., Shenzhen Vmax New Energy Co., Ltd., Toyota Motor Investment (China) Co., Ltd., Delta Electronics Enterprise Management (Shanghai) Co., Ltd. , Pan-Asian Automotive Technology Center Co., Ltd., China FAW Co., Ltd., Alyons Automotive Research and Development (Shanghai) Co., Ltd., China Automotive Engineering Research Institute Co., Ltd., Qoros Automobile Co., Ltd., Chongqing Changan New Energy Automobile Technology Co., Ltd. Company, Zhengzhou Yutong | Administrative Organization | National Automotive Standardization Technical Committee (SAC/TC 114) | 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 24347-2009 (GB/T24347-2009) | Description (Translated English) | The DC/DC converter for electric vehicles | Sector / Industry | National Standard (Recommended) | Classification of Chinese Standard | T47 | Classification of International Standard | 43.080.01 | Word Count Estimation | 11,111 | Date of Issue | 2009-09-30 | Date of Implementation | 2010-02-01 | Quoted Standard | GB/T 2423.1; GB/T 2423.2; GB/T 2423.17; GB 4208-2008; GB 14711-2006; GB/T 17619-1998; GB/T 18384.1-2001; GB/T 18488.1-2006; GB 18655-2002; QC/T 413-2002 | Drafting Organization | Tsinghua University | Administrative Organization | National Automotive Standardization Technical Committee | Regulation (derived from) | National Standard Approval Announcement 2009 No.10 (Total No.150) | Proposing organization | National Development and Reform Commission | 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 DC/DC converter requirements, test methods, inspection rules, signs, packaging, transport, storage and so on. This standard applies to electric vehicle power supply system using DC/DC converter. Accessories and control systems Low (12V, 24V) power supply system using a DC/DC converter can refer to this standard related content. Involved in the standard DC/DC converter power rating of kilowatt (1kM-200kW), does not include modular low-power DC/DC converters. |
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