GB/T 36282-2018 PDF English
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| GB/T 36282-2018 | English | 145 |
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Electromagnetic compatibility requirements and test methods of drive motor system for electric vehicles
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GB/T 36282-2018: Electromagnetic compatibility requirements and test methods of drive motor system for electric vehicles
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT36282-2018
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.040
T 35
Electromagnetic compatibility requirements and test
methods of drive motor system for electric vehicles
Issued on. JUNE 07, 2018
Implemented on. JANUARY 01, 2019
Issued by. State market regulatory administration;
Standardization Administration of PRC.
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative references... 4
3 Terms and definitions... 5
4 Requirements... 6
4.1 Electromagnetic radiation emission... 6
4.2 Immunity... 7
5 Test methods... 8
5.1 Electromagnetic radiation emission test... 8
5.2 Immunity test... 12
6 Test report... 19
Appendix A (Normative) Functional status classification... 20
Appendix B (Normative) Immunity test level... 21
Appendix C (Informative) Test report requirements... 23
References... 24
1 Scope
This standard specifies the electromagnetic compatibility requirements and test
methods of drive motor system for electric vehicles.
This standard applies to the drive motor systems of pure electric vehicles,
hybrid electric vehicles and fuel cell electric vehicle.
In this standard, it considers the HV (high voltage) power system component
as a typical full shielding system.
Note. Electric vehicle power systems are usually divided into two types. the first
type is common LV (low voltage) system, its typical structural features are
unshielded; and the second type is HV system, its typical structural features are
shielded.
2 Normative references
The following documents are essential to the application of this document. 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) are applicable to this standard.
GB/T 18384.3-2015 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 Road vehicles - Test methods for electrical disturbances from
electrostatic discharge
GB/T 21437.2-2008 Road vehicles - Electrical disturbances from conduction
and coupling - Part 2.Electrical transient conduction along supply lines only
GB/T 29259 Road vehicle - Electromagnetic compatibility terminology
GB/T 33014.1 Road vehicles - Component test methods for
electrical/electronic disturbances from narrowband radiated electromagnetic
energy - Part 1.General
3 Terms and definitions
The following terms and definitions as defined in GB/T 29259 apply to this
document.
3.1
Equipment under test; EUT
This standard refers specifically to the drive motor system for electric
vehicles.
3.2
Low voltage; LV
Corresponds to the grade A voltage as specified in GB/T 18384.3-2015.
3.3
High voltage; HV
Corresponds to the grade B voltage as specified in GB/T 18384.3-2015.
3.4
High voltage artificial network; HV AN
A device that is in series on the high-voltage DC power line of the device
under test and provides a specified load impedance for measuring the
disturbance voltage in a given frequency range and isolates the device under
test from the power source.
4 Requirements
4.1 Electromagnetic radiation emission
4.1.1 Broadband electromagnetic radiation emission limits
The EUT broadband radiation emission limits are shown in Table 1 and Figure
1 in the frequency range of 30 MHz ~ 1000 MHz.
4.1.2 Narrowband electromagnetic radiation emission limits
The EUT narrowband electromagnetic radiation emission limits are shown in
Table 2 and Figure 2 in the frequency range of 30 MHz ~ 1000 MHz.
4.2 Immunity
4.2.1 Electromagnetic radiation immunity
In the frequency range of 20 MHz ~ 2000 MHz, the test is carried out in
accordance with the provisions of 5.2.1 using the big current injection (BCI)
method and the anechoic chamber (ALSE) method. Electromagnetic radiation
immunity test grade and functional status requirements shall at least meet the
requirements of Table 3.
4.2.2 Transient conducted immunity along the power line
Test only on 12V or 24V LV modules. The immunity test grade and functional
status requirements for transient disturbances conducted along the power line
shall meet at least the requirements of Table 4.See Appendix B for the test
grade definition.
4.2.3 Electrostatic discharge immunity
When direct contact discharge and air discharge tests are performed in two
cases where the EUT is not energized and only the LV is supplied, the EUT
functional status shall meet the requirements of Table 5.
5 Test methods
5.1 Electromagnetic radiation emission test
5.1.1 Broadband electromagnetic radiation emission test
5.1.1.1 Test method
The method is used to test the broadband electromagnetic radiation emissions
produced by the EUT. If there is no other requirement, in the frequency range
of 30 MHz ~ 1000 MHz, the test shall be carried out in accordance with the
method specified in GB/T 18655-2010.
5.1.1.2 Test status
The EUT shall be in normal operation status with a speed at 50% of the rated
speed, a torque at 50% of the rated torque, and a mechanical output load
reaching to 25% of the continuous power.
5.1.1.3 Test arrangement
The test layout is shown in Figure 3.
The shielding configuration shall be arranged in accordance with the actual
situation of the vehicle. Normally all shielded HV components shall be grounded
with low impedance (e.g. AN, cable, connector, etc.). Both the EUT and the load
shall be grounded. Outdoor HV power supplies shall be connected via
feedthrough filtering.
5.1.2 Narrowband electromagnetic radiation emission test
5.1.2.1 Test method
The method is for testing narrowband electromagnetic radiation emissions
produced by an EUT, such as a microprocessor-based system. If there is no
other explanation, in the frequency range of 30 MHz ~ 1000 MHz, the test shall
be carried out in accordance with the method specified in GB/T 18655-2010.
5.1.2.2 Test status
The HV and LV are powered normally, the EUT drive module is in standby mode
with no output power.
5.1.2.3 Test arrangement
Same as the test layout requirements of 5.1.1.3, as shown in Figure 3.
5.1.2.4 Test requirements
Measurements shall be made in a semi-anechoic chamber with a frequency
range of 30 MHz ~ 1000 MHz.
5.2 Immunity test
5.2.1 Electromagnetic radiation immunity
5.2.1.1 General requirements
The test was carried out by a combination of an anechoic chamber method and
a big current injection (BCI) method. Among them, in the frequency range of 20
MHz ~ 200 MHz, use the big current injection (BCI) method, the immunity test
intensity shall be no less than 60 mA; in the frequency range of 200 MHz ~ 2000
MHz, the anechoic chamber (ALSE) method shall be used, the intensity of the
immunity test shall be not less than 30 V/m.
5.2.1.3 Test arrangement
The big current injection (BCI) test layout is shown in Figure 4; the anechoic
chamber (ALSE) test layout is shown in Figure 5.
5.2.2 immunity test of power line transient conduction
In accordance with the provisions of GB/T 21437.2-2008, it shall apply the test
pulses 1, 2a, 2b, 3a, 3b and 4 to the LV power cable and other connection lines
that may be connected to the LV power cable. The EUT shall be in standby
status and the HV and LV will be powered normally. The controller of the EUT
shall be monitored in real time during the test. If necessary, measures shall be
taken to isolate the auxiliary monitoring device.
5.2.3 Electrostatic discharge immunity test
Test in accordance with the provisions GB/T 19951.The test shall be carried
out in sequence with the EUT not energized and only the LV is supplied.
When the EUT is not energized, simulate the direct discharge of the human
body to the EUT during assembly or maintenance, to apply discharge to the nut
and opening on the easily touchable (but not limited to) concave connecting
pins, housings, buttons, switches, display screens, and housings when the EUT
is handled. Use the solid insulated wire with a cross-sectional area of 0.5 mm2
~ 2 mm2 and a length of no more than 25 mm to draw the concave connecting
pin.
6 Test report
Except as required by this standard to record in the test report, see Appendix C
for other requirements of the test report.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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