GB/T 40428-2021 PDF in English
GB/T 40428-2021 (GB/T40428-2021, GBT 40428-2021, GBT40428-2021)
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Name of Chinese Standard | Status |
| GB/T 40428-2021 | English | 510 |
Add to Cart
|
0-9 seconds. Auto-delivery.
|
Electromagnetic compatibility requirements and test methods of conductive charging for electric vehicles
| Valid |
Standards related to (historical): GB/T 40428-2021
PDF Preview
GB/T 40428-2021: PDF in English (GBT 40428-2021) GB/T 40428-2021
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.020
CCS T 09
Electromagnetic compatibility requirements and test
methods of conductive charging for electric vehicles
ISSUED ON: AUGUST 20, 2021
IMPLEMENTED ON: MARCH 01, 2022
Issued by: State Administration for Market Regulation;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
Introduction ... 4
1 Scope ... 5
2 Normative references ... 5
3 Terms and definitions ... 7
4 Requirements ... 8
4.1 General requirements... 8
4.2 Broadband electromagnetic radiation emission characteristics ... 8
4.3 Harmonic emission characteristics along the AC power line ... 10
4.4 Voltage variation, voltage fluctuation, flicker emission characteristics along the
AC power line ... 12
4.5 Radio frequency conducted emission characteristics along the AC power line
... 12
4.6 Immunity to electromagnetic radiation ... 13
4.7 Immunity of electrical fast transient pulse groups along AC power lines ... 14
4.8 Surge immunity along AC power lines ... 14
5 Test method ... 15
5.1 General provisions ... 15
5.2 Electromagnetic radiation emission ... 17
5.3 Harmonic emission along AC power line ... 24
5.4 Voltage changes, voltage fluctuations, flicker emission along the AC power line
... 26
5.5 Conducted radio frequency emissions along AC power lines ... 28
5.6 Immunity to electromagnetic radiation ... 33
5.7 Immunity of electrical fast transient pulse groups along AC power lines ... 38
5.8 Surge immunity along AC power lines ... 39
Appendix A (Normative) Specific conditions for harmonic currents ... 42
Appendix B (Normative) Power and equipment requirements ... 43
Appendix C (Informative) Vehicle discharge operation method ... 45
References ... 46
Electromagnetic compatibility requirements and test
methods of conductive charging for electric vehicles
1 Scope
This document specifies the electromagnetic compatibility requirements and
test methods, for conductive charging of electric vehicles.
This document applies to electric vehicles (or vehicles for short), that can be
externally charged, as well as to systems, which are composed of vehicles and
power supply equipment.
This document applies to the electric vehicles, whose vehicle sockets
(connection method B and connection method C) comply with GB/T 20234.2
and/or GB/T 20234.3, AND power supply plugs (connection method A) comply
with GB/T 1002 and/or GB/T 20234.2.
This document does not apply to electric buses, which have top-contact
charging systems.
2 Normative references
The contents of the following documents constitute the indispensable clauses
of this document through normative references in the text. For the dated
documents, only the versions with the dates indicated are applicable to this
document; for the undated documents, only the latest version (including all the
amendments) is applicable to this standard.
GB/T 1002 Single phase plugs and socket-outlets for household and similar
purposes - Types, basic parameters and dimensions
GB/T 6113.102 Specification for radio disturbance and immunity measuring
apparatus and methods - Part 1-2: Radio disturbance and immunity
measuring apparatus - Coupling devices for conducted disturbance
measurements
GB/T 6113.201 Specification for radio disturbance and immunity measuring
apparatus and methods - Part 2-1: Methods of measurement of disturbances
and immunity - Conducted disturbance measurements
remaining frequency bands shall not be less than 25 V/m (root mean square
value).
4.6.2 During the immunity test, the vehicle in non-parking state, shall not be
able to move, through its own drive system; the parking function of the vehicle,
in the parking state, shall be normal; the vehicle charging process shall not be
interrupted. After the immunity test, the driving and parking functions of the
vehicle shall be normal.
4.7 Immunity of electrical fast transient pulse groups along AC
power lines
4.7.1 The open circuit test voltage is ±2 kV. The pulse waveform has a rise time
of 5 ns, a duration of 50 ns, a repetition frequency of 5 kHz. The duration of the
unipolar pulse group test shall not be less than 1 min.
4.7.2 During the immunity test, the non-parked vehicle shall not be able to move
through its own drive system; the parking function of the parked vehicle shall
be normal; the vehicle's charging function shall be able to recover by itself, after
the immunity test. After the immunity test, the driving and parking functions of
the vehicle shall be normal.
4.8 Surge immunity along AC power lines
4.8.1 The open circuit test voltage between line and ground is ±2 kV; the open
circuit test voltage between line and line is ±1 kV; the test voltage is applied
step by step. The surge waveform has a rise time of 1.2 μs AND a duration of
50 μs. Surge pulses of positive and negative polarity are applied 5 times each,
at the phases of 0°, 90°, 180°, 270°, respectively. The time interval between
consecutive pulses shall not be greater than 1 min.
4.8.2 In the immunity test, the non-parked vehicle shall not be able to move,
through its own drive system; the parking function of the parked vehicle shall
be normal; the vehicle's charging function shall be able to recover, through
simple manual operation, after the immunity test. After the immunity test, the
driving and parking functions of the vehicle shall be normal.
5 Test method
5.1 General provisions
5.1.1 Test plan
5.1.1.1 A test plan shall be developed, before the test, which at least includes
the operating state, excitation function, monitoring function, judgment criteria,
intentional launch, etc.
5.1.1.2 When the electric vehicle adopts the vehicle interface of GB/T 20234.2,
it shall use the AC analog power supply equipment, which is specified in B.2 of
Appendix B.
5.1.1.3 When the electric vehicle adopts the vehicle interface of GB/T 20234.3,
it shall use the DC analog power supply equipment, which is specified in B.3.
5.1.1.4 When the electric vehicle adopts connection mode A, it shall use the AC
power supply, which is specified in B.1, or the AC analog power supply
equipment, which is specified in B.2.
5.1.1.5 When the system, which is composed of electric vehicles and power
supply equipment, is the test object, it shall use the AC power supply specified
in B.1.
5.1.1.6 When the vehicle can work with two or more charging ports, at the same
time, the test shall be carried out, when the ports are working at the same time.
Among them, when the vehicle is the test object of the conducted emission and
conducted immunity test, it shall measure all working power circuits.
Note: The AC and DC charging ports generally cannot work at the same time.
5.1.1.7 When the system, which is composed of the vehicle and the power
supply equipment, is the test object, the test layout of the conducted emission
items can be adjusted as needed.
5.1.1.8 The test layout, power supply, equipment parameter configuration,
cable connection and other test conditions shall be recorded in the test report,
in detail.
5.1.2 Vehicle state
5.1.2.1 Before the start of the test, the state of charge of the vehicle's
rechargeable energy storage system shall be at a relatively low level; the
vehicle can be discharged, by referring to the operation method in Appendix C.
unless otherwise specified.
5.1.3.2 When conducting the immunity test of 5.6 ~ 5.8, the charging current of
AC charging shall not be less than 20% of the vehicle's continuous maximum
charging current value. When conducting the immunity test of 5.6, the charging
current of DC charging shall not be less than 20 A, or 20% of the vehicle's
continuous maximum charging current value, whichever is larger.
5.1.3.3 The charging current, at the beginning and end of the test, shall be
recorded in the test report.
5.2 Electromagnetic radiation emission
5.2.1 The simulated AC charging pile or simulated off-board charger can be
located in or outside the test site.
5.2.2 When using analog power supply equipment in the test site, the cables
on the equipment side shall fall vertically. The excess length of cables between
the artificial power supply network, artificial network and/or impedance
stabilization network shall be as close as possible, to the ground plane of the
site; meanwhile it should be folded into a "Z" shape. Where it cannot be folded
into a "Z" shape, the cable layout shall be accurately recorded in the test report.
5.2.3 When using an AC power supply's junction box or a DC charging cable's
junction box in the test site, the junction box shall be located on the ground
plane of the site; the cables between the artificial power supply network, artificial
network and/or impedance stabilization network shall be as short as possible,
AND as close as possible to the ground level of the site.
5.2.4 AC power supply shall use 50 Ω/50 μH artificial power supply network (V
type, applicable frequency band 0.15 MHz ~ 30 MHz), in accordance with GB/T
6113.102. The DC power supply shall use a 5 μH/50 Ω vehicle charging DC
high-voltage artificial network, that meets the requirements of GB/T 18655. The
artificial power network or artificial network shall be placed directly on the
ground plane of the test site; the enclosure shall be overlapped with the ground
plane of the site. The measuring port, that is not connected to the measuring
device, shall be terminated with a 50 Ω load.
5.2.5 When the vehicle is the test object, the charging communication cable
should be connected to the vehicle, via an impedance stabilization network.
The impedance stabilization network, that meets the requirements of GB/T
18655, shall be used. The impedance stabilization network shall be placed
directly on the ground plane of the test site; the enclosure shall be overlapped
with the ground plane of the site. The measurement port, that is not connected
to the measurement device, shall be terminated with a 50 Ω load.
meet the following requirements:
a) If the continuous maximum charging current of each phase of the vehicle
is ≤ 16 A, the test shall be carried out according to 5.3.6a);
b) If the continuous maximum charging current of each phase of the vehicle
is >16 A and ≤ 75 A, the analog power supply equipment shall be set up,
so that the input current of each phase of the vehicle is as follows:
- ≥ 12.8 A and ≤ 16 A: the test shall be carried out according to 5.3.6a);
- > 16 A and ≤ 75 A: the test shall be carried out according to 5.3.6b).
5.3.3 When the system, which is composed of the vehicle and the power supply
equipment, is the test object, measure the input current of each phase of the
system, between the power supply equipment and the AC power supply. The
test conditions of the system shall meet the following requirements:
a) If the continuous maximum input current of each phase of the system is ≤
16 A, the test shall be carried out according to 5.3.6a);
b) If the continuous maximum input current per phase of the system is > 16
A, the test conditions are as follows:
- When the actual input current of each phase of the system is ≤ 16 A, the
test shall be carried out according to 5.3.6a);
- When the actual input current of each phase of the system is > 16 A and
≤ 75 A, the test shall be carried out according to 5.3.6b);
- When the actual input current of each phase of the system is > 75 A, no
harmonic emission test is required.
5.3.4 The total length of the charging cable, between the vehicle plug and the
measuring device, shall not be greater than 10 m. The excess length of the
cable shall be folded into a "Z" shape. The charging cable, on the vehicle side,
shall drop vertically at a distance of mm from the vehicle body. The
cable shall be placed on an insulating support material, which has a height of
100 mm ± 25 mm.
5.3.5 The test layout of the vehicle, during charging, is as shown in Figure 9.
The test layout of the system is as shown in Figure 10.
5.3.6 Unless otherwise specified, the test shall be carried out according to the
following requirements:
a) When the input current of each phase is ≤ 16 A, the test shall be carried
out in accordance with the provisions of GB 17625.1; the test observation
period shall be based on the type of equipment, which is operated in
quasi-steady state;
b) When the input current of each phase is > 16 A and ≤ 75 A, the test shall
be carried out in accordance with the provisions of GB/T 17625.8; the test
observation period shall be based on the type of equipment, which is
operated in quasi-steady state.
5.4 Voltage changes, voltage fluctuations, flicker emission
along the AC power line
5.4.1 When the test object can work under single-phase and/or three-phase AC
power supply conditions, the test shall be carried out, under all possible power
supply conditions, respectively.
5.4.2 When the vehicle is the test object, the test conditions of the vehicle shall
meet the following requirements:
a) If the continuous maximum charging current per phase of the vehicle is ≤
16 A, the test shall be carried out according to 5.4.6a);
b) If the continuous maximum charging current of each phase of the vehicle
is > 16 A and ≤ 75 A, the analog power supply equipment shall be set up,
so that the input current of each phase of the vehicle is:
- ≥ 12.8 A and ≤ 16 A: the test shall be carried out according to 5.4.6a);
- > 16 A and ≤ 75 A: the test shall be carried out according to 5.4.6b).
5.4.3 When the system, which is composed of the vehicle and the power supply
equipment, is the test object, measure the input current of each phase of the
system, between the power supply equipment and the AC power supply. The
test conditions of the system shall meet the following requirements:
a) If the continuous maximum input current of each phase of the system is ≤
16 A, the test shall be carried out according to 5.4.6a);
b) If the continuous maximum input current per phase of the system > 16 A,
the test conditions are as follows:
- When the actual input current of each phase of the system is ≤ 16 A, the
test shall be carried out according to 5.4.6a);
- When the actual input current of each phase of the system is > 16 A and
the artificial power supply network, artificial network and/or impedance
stabilization network, shall be as close as possible to the ground plane of the
site. Meanwhile, it should be folded into a "Z" shape. Where it cannot be folded
into a "Z" shape, the cable layout shall be accurately recorded in the test report.
5.6.3 When using an AC power supply's junction box or a DC charging cable's
junction box in the test site, the junction box shall be located on the ground
plane of the site; the cables between the artificial power supply network, artificial
network and/or impedance stabilization network shall be as short as possible,
AND as close as possible to the ground level of the site.
5.6.4 The AC power supply shall use a 50 Ω/50 μH artificial power supply
network (V-type, applicable frequency band 0.15 MHz ~ 30 MHz), that meets
the requirements of GB/T 6113.102. The DC power supply shall use a 5 μH/50
Ω vehicle charging DC high-voltage artificial network, that meets the
requirements of GB/T 18655. The artificial power network or artificial network
shall be placed directly on the ground plane of the test site; the enclosure shall
be overlapped with the ground plane of the site. The measurement port, that is
not connected to the measurement device, shall be terminated with a 50 Ω load.
5.6.5 The charging communication cable should be connected to the vehicle,
via an impedance stabilization network. It shall use the impedance stabilization
network, that meets the requirements of GB/T 18655. The impedance
stabilization network shall be placed directly on the ground plane of the test site;
the enclosure shall be overlapped with the ground plane of the site. The
measurement port, that is not connected to the measurement device, shall be
terminated with a 50 Ω load.
5.6.6 The projection of the charging cable, BETWEEN the artificial power supply
network, artificial network and/or impedance stabilization network AND the
vehicle, on the horizontal plane, shall be linear AND perpendicular to the
longitudinal direction of the vehicle, which has a projection length of m.
The excess length of cable shall be folded into a "Z" shape, which has a width
of not more than 0.5 m. If it cannot be folded into a "Z" shape, the cable layout
shall be accurately recorded in the test report. The charging cable, on the
vehicle side, shall drop vertically at a distance of mm, from the vehicle
body. The cable shall be placed on a non-conductive insulating support material,
which has a low relative permittivity (εr ≤ 1.4) AND a height of 100 mm ± 25 mm.
5.6.7 The test layout of the vehicle, during AC charging, is as shown in Figure
15 and Figure 16. The test layout of the vehicle, during DC charging, is as
shown in Figure 17 and Figure 18.
5.6.8 Unless otherwise specified, the test shall be carried out, in accordance
length of m. The excess length of the cable shall be folded into a "Z"
shape, which has a width of not more than 0.5 m. The charging cable, on the
vehicle side, shall drop vertically, at a distance of mm from the vehicle
body. The cable shall be placed on an insulating support material, which has a
height of 100 mm ± 25 mm.
5.7.3 The vehicle shall be placed directly on the metal grounding plate; the plate
shall be larger than the vertical projection size of the vehicle body; the distance,
between the edge of the plate and the horizontal distance of the vehicle body,
shall not be less than 20 cm.
5.7.4 The test layout is as shown in Figure 19 and Figure 20.
5.7.5 Unless otherwise specified, the test shall be carried out, in accordance
with the provisions of GB/T 17626.4.
5.8 Surge immunity along AC power lines
5.8.1 When the test object can work under single-phase and/or three-phase AC
power supply conditions, the test shall be performed, under all possible power
supply conditions, respectively.
5.8.2 The projection of the charging cable, between the coupling/decoupling
network and the vehicle, on the horizontal plane, shall be linear AND
perpendicular to the longitudinal direction of the vehicle, which has a projection
length of m. The excess length of the cable shall be folded into a "Z"
shape, which has a width of not more than 0.5 m. The charging cable, on the
vehicle side, shall drop vertically, at a distance of mm from the vehicle
body. The cable shall be placed on an insulating support material, which has a
height of 100 mm ± 25 mm.
5.8.3 The vehicle shall be placed directly on the metal grounding plate; the plate
shall be larger than the vertical projection size of the vehicle body; the distance,
between the edge of the plate and the horizontal distance of the vehicle body,
shall not be less than 20 cm.
5.8.4 The test layout is as shown in Figure 19 and Figure 20.
5.8.5 Unless otherwise specified, the test shall be carried out, in accordance
with the provisions of GB/T 17626.5.
Appendix B
(Normative)
Power and equipment requirements
B.1 AC power supply
The AC power supply of the test site shall be filtered; the power quality is:
a) Frequency: 50 Hz ± 0.5 Hz;
b) Voltage: 220 V/380 V, allowable deviation ±5%;
c) Current: Meet the relevant requirements of this document.
B.2 AC analog power supply equipment
B.2.1 The charging mode shall be mode 3; the connection mode shall be
connection mode B or connection mode C; the vehicle plug and/or power supply
interface shall comply with GB/T 20234.2.
Note: The analog AC charging pile can be replaced by a charging control device and
an AC power supply's junction box.
B.2.2 The output power supply shall be a single-phase or three-phase
alternating current, that meets the requirements of B.1; meanwhile it has the
charging current adjustment function.
B.2.3 The pilot circuit and control principle shall meet the relevant requirements
in Appendix A of GB/T 18487.1-2015.
B.2.4 If the simulated AC charging pile is placed in the test site, the
electromagnetic emission level of the simulated AC charging pile shall be lower
than the specified limit, by at least 6 dB.
B.3 DC analog power supply equipment
B.3.1 The charging mode shall be mode 4; the connection mode shall be
connection mode C; the vehicle plug shall comply with GB/T 20234.3.
B.3.2 The pilot circuit and control principle shall comply with Appendix B of GB/T
18487.1-2015; the communication protocol shall comply with GB/T 27930-2015;
the voltage of the low-voltage auxiliary power supply circuit is 12.0 V ± 0.6 V;
the current is 10 A; the PE And A- shall be electrically isolated.
B.3.3 If the simulated off-board charger is placed in the test site, the
electromagnetic emission level of the simulated off-board charger shall be at
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
|