GB/T 6113.201-2018 PDF English
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Specification for radio disturbance and immunity measuring apparatus and methods -- Part 2-1: Methods of measurement of disturbances and immunity -- Conducted disturbance measurements
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Specification for radio disturbance and immunity measuring apparatus and methods -- Part 2-1: Methods of measurement of disturbances and immunity -- Conducted disturbance measurements
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Specification for radio disturbance and immunity measuring apparatus and methods -- Part 2-1: Methods of measurement of disturbances and immunity -- Conducted disturbance measurements
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GB/T 6113.201-2018: Specification for radio disturbance and immunity measuring apparatus and methods -- Part 2-1: Methods of measurement of disturbances and immunity -- Conducted disturbance measurements
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NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 33.100
L 06
GB/T 6113.201-2018 / CISPR 16-2-1.2014
Replacing GB/T 6113.201-2017
Specification for Radio Disturbance and Immunity
Measuring Apparatus and Methods - Part 2-1.Methods of
Measurement of Disturbances and Immunity - Conducted
Disturbance Measurements
(CISPR 16-2-1.2014, IDT)
Issued on. DECEMBER 28, 2018
Implemented on. JULY 1, 2019
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword... 4
1 Scope... 7
2 Normative References... 7
3 Terms, Definitions and Abbreviations... 8
3.1 Terms and Definitions... 8
3.2 Abbreviations... 14
4 Types of Disturbance to be Measured... 15
4.1 General... 15
4.2 Types of Disturbance... 15
4.3 Detector Functions... 15
5 Connection of Measuring Equipment... 16
5.1 General... 16
5.2 Connection of Ancillary Equipment... 16
5.3 Connections to RF Reference Ground... 16
5.4 Connection between the EUT and the Artificial Mains Network... 19
6 General Measurement Requirements and Conditions... 19
6.1 General... 19
6.2 Disturbance not Produced by the EUT... 19
6.3 Measurement of Continuous Disturbance... 20
6.4 EUT Arrangement and Measurement Conditions... 20
6.5 Interpretation of measuring results... 25
6.6 Measurement Times and Scan Rates for Continuous Disturbance... 26
7 Measurement of Disturbances Conducted Along Leads, 9 kHz to 30 MHz... 36
7.1 General... 36
7.2 Measuring Equipment (receivers, etc.)... 37
7.3 Ancillary measuring equipment... 37
7.4 EUT Configuration... 40
7.5 System Test Configuration for Conducted Emissions Measurements... 58
7.6 In Situ Measurements... 63
8 Automated Measurement of Disturbances... 65
8.1 Precautions for Automating Measurements... 65
8.2 Generic Measurement Procedure... 65
8.3 Prescan Measurements... 66
8.4 Data Reduction... 67
8.5 Disturbance Maximization and Final Measurement... 67
8.6 Post Processing and Reporting... 68
8.7 Disturbance Measurement Strategies with FFT-based Measuring Instruments... 68
9 Test Set-up and Measurement Procedure Using the CDNE in the Frequency Range 30
MHz to 300 MHz... 68
9.1 General... 68
9.2 Test Set-up... 69
9.3 Measurement Procedure... 71
Appendix A (informative) Guidelines for Connection of Electrical Equipment to the
Artificial Mains Network... 73
Appendix B (informative) Use of Spectrum Analyzers and Scanning Receivers... 81
Appendix C (informative) Decision Tree for Use of Detectors for Conducted
Disturbance Measurements... 84
Appendix D (informative) Scan Rates and Measurement Times for Use with the
Average Detector... 86
Appendix E (informative) Guidelines for the Improvement of the Test Set-up with ANs
... 91
Appendix F (normative) Determination of Suitability of Spectrum Analyzers for
Compliance Tests... 97
Appendix G (informative) Basic Guidance for Measurements on Telecommunications
Ports... 98
Appendix H (normative) Specific Guidance for Conducted Disturbance Measurements
on Telecommunication Ports... 106
Appendix I (informative) Examples of AANs and ANs for Screened Cables... 115
Bibliography... 125
Foreword
GB/T 6113 Specification for Radio Disturbance and Immunity Measuring Apparatus and
Methods is a basic standard on electromagnetic compatibility. It is composed of the following
four parts.
Part 1.Radio Disturbance and Immunity Measuring Apparatus
---Part 1-1.Radio Disturbance and Immunity Measuring Apparatus - Measuring
Equipment;
---Part 1-2.Radio Disturbance and Immunity Measuring Apparatus - Coupling Devices for
Conducted Disturbance Measurements;
---Part 1-3.Radio Disturbance and Immunity Measuring Apparatus - Ancillary Equipment
- Disturbances Power;
---Part 1-4.Radio Disturbance and Immunity Measuring Apparatus - Radiated Disturbance
Measuring Antenna and Test Site;
---Part 1-5.Radio Disturbance and Immunity Measuring Apparatus - Antenna Calibration
Sites and Reference Test Sites for 30 MHz ~ 1,000 MHz;
---Part 1-6.Radio Disturbance and Immunity Measuring Apparatus - EMC Antenna
Calibration.
Part 2.Methods of Measurement of Disturbances and Immunity
---Part 2-1.Methods of Measurement of Disturbances and Immunity - Conducted
Disturbance Measurements;
---Part 2-2.Methods of Measurement of Disturbances and Immunity - Measurement of
Disturbance Power;
---Part 2-3.Methods of Measurement of Disturbances and Immunity - Radiated
Disturbance Measurements;
---Part 2-4.Methods of Measurement of Disturbances and Immunity - Immunity
Measurements;
---Part 2-5.In Situ Measurements of Disturbing Emissions Produced by Physically Large
Equipment.
Part 3.CISPR Technical Reports
---Part 3.CISPR Technical Reports.
Part 4.Uncertainties, Statistics and Limit Modeling
---Part 4-1.Uncertainties, Statistics and Limit Modeling - Uncertainties in Standardized
EMC Tests;
---Part 4-2.Uncertainties, Statistics and Limit Modeling - Measurement Instrumentation
Uncertainty;
---Part 4-3.Uncertainties, Statistics and Limit Modeling - Statistical Considerations in the
Determination of EMC Compliance of Mass-produced Products;
---Part 4-4.Uncertainties, Statistics and Limit Modeling - Statistics of Complaints and a
Model for the Calculation of Limits;
---Part 4-5.Uncertainties, Statistics and Limit Modeling - Conditions for the Use of
Alternative Test Methods.
This is Part 2-1 of GB/T 6113.
This Part was drafted in accordance with the rules in GB/T 1.1-2009.
This Part serves as a replacement of GB/T 6113.201-2017 Specification for Radio Disturbance
and Immunity Measuring Apparatus and Methods - Part 2-1.Methods of Measurement of
Disturbances and Immunity - Conducted Disturbance Measurements. In comparison with GB/T
6113.201-2017, the main technical changes are as follows.
---In accordance with the principle of equivalence, “NOTE” is added to the Scope to reflect
the status of the EMC basic standard, and the relations between the product (category)
standards of the relevant horizontal technical committees and the basic standard, and to
consider necessary cooperation in the formulation of EMC standards;
---Four terms and definitions are added (see Chapter 3);
---Abbreviations are added (see 3.2);
---EUT arrangement is added (see 6.4.1);
---The working status of multi-function equipment is added (see 6.4.7);
---The determination of EUT arrangement that maximizes emissions is added (see 6.4.8);
---The recording of measurement results is added (see 6.4.9);
---The test set-up and measurement procedure using the CDNE in the frequency range 30
MHz ~ 300 MHz are added (see Chapter 9);
---The basic requirements for measurements on telecommunications ports are added (see
Appendix G);
---The specific guidance for conducted disturbance measurements on telecommunication
ports is added (see Appendix H);
---Examples of AANs and ANs used for screened cables are added (see Appendix I).
This Part adopts the translation method in the equivalent adoption of CISPR 16-2-1.2014
Specification for Radio Disturbance and Immunity Measuring Apparatus and Methods - Part
2-1.Methods of Measurement of Disturbances and Immunity - Conducted Disturbance
Measurements.
The Chinese documents that have a consistent correspondence with the international documents
normatively quoted in this Part are as follows.
---GB 4343.1-2018 Electromagnetic Compatibility Requirements for Household
Appliances, Electric Tools and Similar Apparatus - Part 1.Emission (CISPR 14-1.2011,
IDT);
---GB/T 4365-2003 Electro-technical Terminology - Electromagnetic Compatibility (IEC
60050 (161).1990, IDT);
---GB/T 6113.102-2008 Specification for Radio Disturbance and Immunity Measuring
Apparatus and Methods - Part 1-2.Radio Disturbance and Immunity Measuring
Apparatus - Ancillary Equipment - Conducted Disturbance (CISPR 16-1-2.2006, IDT);
---GB/T 6113.402-2018 Specification for Radio Disturbance and Immunity Measuring
Apparatus and Methods - Part 4-2.Uncertainties, Statistics and Limit Modeling -
Measurement Instrumentation Uncertainty (CISPR 16-4-2.2014, IDT).
This Part was proposed by and shall be under the jurisdiction of National Technical Committee
79 on Radio Interference of Standardization Administration of China (SAC/TC 79).
The drafting organizations of this Part. Shanghai Electrical Apparatus Research Institute; China
Electronic Standardization Institute; Shanghai SANKI Electronics Industry Co., Ltd.; State
Grid Electric Power Research Institute; Nanjing Rongce Testing Technology Co., Ltd.; China
Shipbuilding Electromagnetic Compatibility Testing Center; Xiamen Products Quality
Supervision & Inspection Institute; Shaanxi Hitech Electronic Co., Ltd.; Jiangsu Electronic
Information Product Quality Supervision & Inspection Institute.
The main drafters of this Part. Xing Lin, Cui Qiang, Shi Beina, Jiang Ninghao, Zhang Xia,
Cheng Jianghe, Ren Ping, Guo Enquan, Zhao Dongjie, Wang Peng.
The issuing of the previous versions.
---GB/T 6113.201-2008, GB/T 6113.201-2017.
Specification for Radio Disturbance and Immunity
Measuring Apparatus and Methods - Part 2-1.Methods of
Measurement of Disturbances and Immunity - Conducted
Disturbance Measurements
1 Scope
GB/T 6113 is designated a basic standard, which specifies the methods of measurement of
disturbance phenomena in general in the frequency range 9 kHz to 18 GHz and especially of
conducted disturbance phenomena in the frequency range 9 kHz to 30 MHz. With a CDNE, the
frequency range is 9 kHz to 300 Hz.
2 Normative References
The following documents are indispensable to the application of this document. 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 6113.101-2016 Specification for Radio Disturbance and Immunity Measuring Apparatus
and Methods of Measurement - Part 1-1.Radio Disturbance and Immunity Measuring
Apparatus - Measuring Equipment (CISPR 16-1-1.2010, IDT)
3 Terms, Definitions and Abbreviations
network used to measure (or inject) asymmetric (common mode) voltages on unshielded
symmetric signal (e.g. telecommunication) lines while rejecting the symmetric (differential
mode) signal
4 Types of Disturbance to be Measured
Depending on the types of disturbance, measurements may be carried out using a measuring
receiver with.
Measuring receivers incorporating these detectors are specified in GB/T 6113.101-2016.
5 Connection of Measuring Equipment
The artificial network (AN) shall be connected to the reference ground by a low RF impedance,
e.g. by direct bonding of the case of the AN to the reference ground of a shielded room, or with
a low impedance conductor as short and as wide as practical (the maximum length to width
ratio of which is 3.1, and the inductance of which is less than approximately 50 nH
corresponding to an impedance of less than approximately 10 Ω at 30 MHz). An in situ test of
the voltage division factor as explained in Appendix E is recommended.
6 General Measurement Requirements and Conditions
The measurement signal-to-noise ratio with respect to ambient noise shall meet the following
requirements. Should the ambient noise level exceed the required level, it shall be recorded in
the test report.
The measuring receiver shall be kept tuned to the discrete frequency under investigation and
retuned if the frequency fluctuates.
Where not specified in the product standard, the EUT shall be configured as described in the
following paragraphs.
7 Measurement of Disturbances Conducted Along Leads, 9 kHz to 30 MHz
The common mode, differential and unsymmetric mode impedances of actual networks, such
as of power mains and telecommunication networks, are location dependent and, in general,
time varying.
8 Automated Measurement of Disturbances
The second step in the overall measurement procedure is used to reduce the number of signals
collected during prescan and thus aimed at further reduction of the overall measurement time.
These processes can accomplish different tasks, e.g.
9 Test Set-up and Measurement Procedure Using the CDNE in the Frequency Range 30 MHz to 300 MHz
In general, the level of asymmetric voltage is higher than the level of unintentional symmetric
voltage. Therefore, a minimum longitudinal conversion loss (LCL) value of 20 dB is adequate
to prevent any influences of the symmetric voltage on the measurement results. The CDNE,
with a defined minimum LCL of 20 dB, is not appropriate for EUTs with an intentional
differential mode on the mains network.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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