GB/T 24338.4-2018 English PDF (GBT24338.4-2018)

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GB/T 24338.4-2018: Railway applications -- Electromagnetic compatibility -- Part 3-2: Rolling stock -- Apparatus
GB/T 24338.4-2018
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 29.280
S 35
Replacing GB/T 24338.4-2009
Railway applications - Electromagnetic compatibility -
Part 3-2. Rolling stock - Apparatus
(IEC 62236-3-2.2008, MOD)
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 ... 7 
2 Normative references ... 8 
3 Terms and definitions ... 9 
4 Performance criteria ... 10 
5 Test conditions ... 10 
6 Emission test and limits ... 11 
7 Immunity test and limits ... 13 
Appendix A (Informative) Examples of electrical apparatus and port ... 16 
Appendix B (Informative) Conducted disturbance generated by power converter
... 21 
References ... 22 
Foreword
GB/T 24338 “Railway applications - Electromagnetic compatibility” consists of
the following parts.
- Part 1. General;
- Part 2. Emission of the whole railway system to the outside world;
- Part 3-1. Rolling stock - Train and complete vehicle;
- Part 3-2. Rolling stock - Apparatus;
- Part 4. Emission and immunity of the signaling and telecommunications
apparatus;
- Part 5. Emission and immunity of fixed power supply installations and
apparatus.
This part is part 3-2 of GB/T 24338.
This part was drafted in accordance with the rules given in GB/T 1.1-2009.
This part replaces GB/T 24338.4-2009 “Railway applications - Electromagnetic
compatibility - Part 3-2. Rolling stock - Apparatus”. As compared with GB/T
24338.4-2009, the main technical changes are as follows.
- ADD the requirements of the test report (see clause 5);
- ADD the measurement requirements, CLARIFY that frequencies that are
not required are not tested (see clause 1);
- ADD the general EMC requirements (see clause 6);
- DELETE the measurement requirements for the emission of 9 kHz ~ 0.15
MHz from the Table (see clause 7 of the 2009 version);
- DELETE the Tables 1 and 2 (see clause 7 of the 2009 version);
- MODIFY the Table 3, CHANGE the public AC power supply requirements
from the note of the Table to the Table entry requirements (see Table 1;
Table 3 of the 2009 version);
- DELETE the Table 5 (see clause 7 of the 2009 version);
- MODIFY the surge test requirements of Table 7 (see Table 4; Table 7 of the
2009 version);
Railway applications - Electromagnetic compatibility -
Part 3-2. Rolling stock - Apparatus
1 Scope
This part of GB/T 24338 specifies the emission and immunity requirements for
electromagnetic compatibility of electrical and electronic apparatus for railway
rolling stock. This part applies to integration of apparatus on rolling stock.
The frequency range considered in this part is from 0 GHz ~ 400 GHz. No
measurements need to be performed at frequency band where no requirement
is specified.
The test methods used are related to the particular apparatus, structure, port,
technology and operating conditions.
This part takes into account the internal environment of the railway rolling stock
and the external environment of the railway, as well as interference from other
apparatus to the apparatus, such as hand-held radio transmitters.
The radiated emissions requirements as specified in this part do not apply to
intentional emissions from ITU-defined wireless transmitters.
The limits for immunity are not applicable to the excluded bands as specified in
the EMC related standards for wireless devices.
This part does not apply to transient emissions when starting or stopping the
device.
The selected emission requirements shall ensure that the interferences caused
by the normal operation of the apparatus on the railway rolling stock does not
exceed the level that would interfere with the normal operation of other
apparatus.
In addition, the selected immunity requirements shall ensure that the immunity
of the rolling stock apparatus is sufficiently severe. The severity does not
include extreme situations where the probability is very small. Special
requirements that are inconsistent with this part need to be specifically pointed
out.
The test requirements for each port are specified.
The specific provisions of this part shall be used in conjunction with the general
provisions of GB/T 24338.1.
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 4365 Electrotechnical terminology - Electromagnetic compatibility
[GB/T 4365-2003, IEC 60050 (161).1990, IDT]
GB/T 6113.101 Specification for radio disturbance and immunity measuring
apparatus and methods of measurement - Part 1-1. Radio disturbance and
immunity measuring apparatus - Measuring apparatus (GB/T 6113.101-
2016, CISPR 16-1-1.2010, IDT)
GB/T 6113.104 Radio disturbance and immunity measuring apparatus and
methods - Part 1-4. Radio disturbance and immunity measuring apparatus -
Radiated disturbance measuring antenna and test site (GB/T 6113.104-
2016, CISPR 16 -1-4.2012, IDT)
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 (GB/T 6113.201-
2017, CISPR 16-2-1.2010, IDT)
GB/T 6113.203 Specification for radio disturbance and immunity measuring
apparatus and methods of measurement - Part 2-3. Methods of
measurement of radio disturbance and immunity - Radiated disturbance
measurements (GB/T 6113.203-2016, CISPR 16-2-3.2010, IDT)
GB/T 9254 Radio communication disturbance limits and measurement
methods for information technology apparatus (GB/T 9254-2008,
IEC/CISPR 22.2006, IDT)
GB/T 17626.2 Electromagnetic compatibility (EMC) - Testing and
measurement techniques - Electrostatic discharge immunity test (GB/T
17626.2-2006, IEC 61000-4-2.2001, IDT)
GB/T 17626.3 Electromagnetic compatibility - Testing and measurement
techniques - Radiated radio-frequency electromagnetic field immunity test
(GB/T 17626.3-2016, IEC 61000-4-3.2010, IDT)
GB/T 17626.4 Electromagnetic compatibility - Testing and measurement
techniques - Electrical fast transient/burst immunity test (GB/T 17626.4-2008,
ports (for example, select 4 ports or 20% of the total) to simulate the field
conditions, to ensure that all different types of ports are covered.
Unless otherwise specified in the basic criteria given in clause 7, during the test,
the EUT shall use the rated power supply and work within the specified
operating range.
The measurements specified in this part shall be performed on the relevant port
of the apparatus. If it considers the electrical performance, connection and use
of rolling stock apparatus, some tests may not be necessary (for example,
radiation immunity tests are not necessary for induction motors and
transformers), but the test program and test report shall record the decisions
on which tests are not performed.
Unless otherwise specified, the electromagnetic compatibility test is the content
of the type test.
6 Emission test and limits
The emission test and limits are specified in accordance with the port type. See
Table 1 ~ Table 3 for details.
Each type of interference shall be measur...