GB 34660-2017 PDF English
US$145.00 · In stock · Download in 9 secondsGB 34660-2017: Road vehicles - Requirements and test methods of electromagnetic compatibility Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 34660-2017 | English | 145 |
Add to Cart
|
0-9 seconds. Auto-delivery
|
Road vehicles - Requirements and test methods of electromagnetic compatibility
| Valid |
Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: GB 34660-2017
GB 34660-2017: Road vehicles - Requirements and test methods of electromagnetic compatibility---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/GB34660-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.040.10
T 36
Road vehicles - Requirements and test
methods of electromagnetic compatibility
Issued on. NOVEMBER 01, 2017
Implemented on. JANUARY 01, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative references... 4
3 Terms and definitions... 5
4 Requirements... 6
5 Test methods... 13
6 Type inspection... 27
7 Product consistency... 28
Appendix A (Informative) Judgment method for ESA applicability to the standard
... 30
Appendix B (Informative) Alternative test method for electromagnetic radiation
emission test... 31
1 Scope
This standard specifies the electromagnetic emission limits, immunity
performance and test methods for vehicles and their electrical/electronic
components.
This standard applies to category M, N, L vehicles and their electrical/electronic
components. Category O and other vehicles can make reference to it.
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 6113.104-2008 Specification for radio disturbance and immunity
measuring apparatus and methods - Part 1-4.Radio disturbance and
immunity measuring apparatus - Ancillary equipment - Radiated disturbance
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 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 33012.1-2016 Road vehicles - Vehicle test methods for electrical
disturbances from narrowband radiated electromagnetic energy - Part 1.
General
GB/T 33012.2-2016 Road vehicles - Vehicle test methods for electrical
disturbances from narrowband radiated electromagnetic energy - Part 2.Off-
vehicle radiation sources
GB/T 33012.4-2016 Road vehicles - Vehicle test methods for electrical
disturbances from narrowband radiated electromagnetic energy - Part 4.
Bulk current injection (BCI)
GB/T 33014.1-2016 Road vehicles - Component test methods for
electrical/electronic disturbances from narrowband radiated electromagnetic
energy - Part 1.General
GB/T 33014.2-2016 Road vehicles - Component test methods for
electrical/electronic disturbances from narrowband radiated electromagnetic
energy – Part 2.Absorber-lined shielded enclosure
3 Terms and definitions
The terms and definitions defined in GB/T 29259 and the following apply to this
document.
3.1 Electrical/electronic sub-assembly, ESA
An electrical/electronic device or component that has an associated
electrical connection that enables one or more of the specified functions.
3.2 Vehicle wiring harness
Vehicle-mounted power cables, bus systems (e.g. CAN) cables, signals or
active antenna cables.
3.3 Immunity related functions
It refers to several functions that affect safety and normal operation of the
power system after being harassed. It mainly includes the following functions.
4 Requirements
4.1 General requirements
4.1.1 The design, manufacture and installation of the vehicle and its ESA shall
enable the vehicle to meet the requirements of this standard under normal
conditions of use.
4.1.2 Vehicles shall be subject to radiated emission and radiated immunity tests.
The ESA shall be subject to radiation and conducted emission tests, as well as
radiation and conducted immunity tests.
Before the test, the testing institute and the manufacturer shall jointly develop
a test plan, which shall include at least the operational status, incentive
functions, monitoring functions, criteria for determination, and intentional launch
of the device under test.
4.2 Vehicle broadband electromagnetic emission limits
4.2.1 If the 10 m test is used, the radiated emission limits are shown in Table 1
and Figure 1.
4.2.2 If the 3 m test method is used, the radiated emission limits are shown in
Table 2 and Figure 2.
4.3 Vehicle narrowband electromagnetic emission limits
4.4 Vehicle immunity to electromagnetic radiation
In the frequency band above 90% of 20 MHz ~ 2000 MHz, the field strength
shall be 30 V/m (root mean square), the field strength in other remaining
frequency bands shall not be lower than 25 V/m (root mean square value). In
the process of immunity test, the performance of the immunity-related function
shall not be reduced in the vehicle. The failure judgment criteria are as shown
in Table 9.
4.5 ESA broadband electromagnetic emission limits
The ESA broadband radiation emission limits are shown in Table 5 and Figure 5.
4.6 ESA narrowband electromagnetic emission limits
The ESA narrowband emission limits for electromagnetic radiation are shown
in Table 6 and Figure 6.
4.7 ESA immunity performance for electromagnetic radiation
In the 90% frequency band from 20 MHz ~ 2000 MHz, the strength of the
immunity test (root mean square value) shall be.
4.8 ESA immunity performance for transient conduction along power lines
The level of immunity and the functional status requirements of the ESA for
transient disturbances conducted along the power line shall at least meet the
requirements of Table 7.For the definition of test levels and system function
status, see Appendix A of GB/T 21437.2-2008.
4.9 ESA transient conduction emission limit
The transient conduction emission pulse limit generated by the ESA shall meet
the requirements of Table 8.
4.10 Supplementary provisions
4.10.1 Whole-vehicles
4.10.2 Electrical/electronic components (ESA)
4.10.3 Other instructions
4.10.3.1 During the immunity test process, when the applied interference signal
is within the necessary bandwidth of the on-board receiver, that is, in the
frequency band of the specific radio device as specified in the national standard,
the function determination of the receiver does not have to follow the failure
criterion.
4.10.3.2 Radio frequency transmitters shall be tested in transmission mode. It
does not consider the intentional transmission in the necessary bandwidth
(such as the emission of radio frequency transmission system) and out-of-band
emission. Spurious emissions need to be tested.
5 Test methods
5.1 General requirements
Vehicle broadband and narrowband electromagnetic radiation emission tests
shall be conducted using the 10 m method or the 3 m method. Broadband
emission tests shall be conducted using quasi-peak or peak detectors. If peak
detectors are used, it shall use the 20 dB correction factor as specified in
CISPR12.2005 for correction. (See Figure 1 of CISPR12.2005 for the
compliance determination method).
5.2 Vehicle broadband electromagnetic emissions test
5.2.1 General
This method is used to test the broadband emissions generated by the vehicle's
electrical or electronic systems (such as ignition systems or motors). If no other
requirement, in the full frequency range of 30 MHz ~ 1000 MHz, it shall be
performed in accordance with the method specified in clause 5 of CISPR 12.2005.
5.2.2 Vehicle status
5.2.2.1 Engine
The engine shall be running.
5.2.2.2 Other vehicle systems
All devices (such as wiper motors and cooling fans) that operate for a long
period of time and can produce broadband emissions shall be switched on to
operate at their maximum load, except for short-term devices such as horns
and window regulator motors.
5.2.3 Alternative test methods
If vehicle manufacturers can provide full-band test data tested by authorized
testing organizations, alternative test methods can be used to reduce the
number of test frequency points. See Appendix B for details.
5.2.4 Data processing and analysis
The maximum readings of the antenna located at the left and right sides of the
vehicle with horizontal polarization and vertical polarization at 14 sub-bands
(see B.1) shall be recorded as characteristic values of the measured frequency.
If the test result exceeds the limit, analysis shall be performed to ensure that
the measured radiation emission is from the vehicle rather than the background noise.
5.3 Vehicle narrowband electromagnetic emissions test
5.3.1 General
5.3.2 Vehicle status
5.3.3 Test requirements
The average detector shall be used for testing.
5.3.4 Alternative test methods
If vehicle manufacturers can provide full-band test data tested by authorized
testing organizations, alternative test methods can be used to reduce the
number of test frequency points. See Appendix B for details.
5.3.5 Data processing and analysis
The maximum readings of the antenna located at the left and right sides of the
vehicle with horizontal polarization and vertical polarization at 14 sub-bands
(see Appendix B.1) shall be recorded as characteristic values of the measured
frequency.
If the test results exceed the limit, analysis shall be performed to ensure that
the measured radiation emission is from the vehicle rather than the background
noise.
5.4 Vehicle immunity to electromagnetic radiation
5.4.1 General
5.4.1.1 This method is used to test the electrical/electronic system immunity
performance of the vehicle. The vehicle shall be fully exposed to the
electromagnetic field and the vehicle shall be monitored during the test.
5.4.1.2 If there is no other requirement, it shall be conducted in accordance with
the test method specified in GB/T 33012.2-2016.
5.4.1.3 Alternative methods may be selected. Vehicles are tested at an outdoor
test field.
5.4.2 Vehicle status
5.4.2.1 Except for the necessary test devices, the vehicle shall be unloaded.
5.4.2.2 The engine shall operate normally with a speed of 50 km/h. The stable
speed of category L1 and L2 vehicles shall be 25 km/h (if the vehicle cannot
reach 25 km/h, it shall run at the maximum speed). The vehicle shall be placed
on the dynamometer. If there is no dynamometer, it can be placed on the
insulation support and the minimum ground clearance is guaranteed. The drive
shafts, belts or chains (e.g. trucks, two-wheel vehicles or three-wheel wheels)
can be disconnected.
5.4.2.3 The basic test conditions for the disturbance immunity test of vehicles
are shown in Table 9.The test conditions (status) and failure criteria for other
systems of the vehicle that may affect the immunity-related functions shall be
determined by the manufacturer and the testing institute through negotiation.
5.4.2.5 If certain electrical and electronic control systems do not work under the
test of the whole-vehicle, the manufacturer shall provide an inspection report
issued by an authorized testing institute to indicate that the system meets the
requirements of this standard.
5.4.3 Reference point
The reference point for establishing the field strength shall meet the following
requirements.
5.4.4 Test requirements
The vehicle shall be exposed to a vertically polarized electromagnetic radiation
field in the frequency range of 20 MHz ~ 2000 MHz. If there are no other
provisions, the test signal shall be modulated as follows.
5.4.5 Field strength calibration
5.5 ESA broadband electromagnetic emissions test
5.5.1 General
This method is used to test broadband electromagnetic radiation emissions
from ESA (e.g., ignition systems, motors, etc.). If there are no other
requirements, in the range of 30 MHz ~ 1000 MHz, it shall be carried out in
accordance with the method specified in GB/T 18655-2010.
5.5.2 ESA status
In accordance with the provisions of 4.4.1 of GB/T 18655-2010.
5.5.3 Test field and arrangement
5.5.4 Alternative test methods
If the manufacturer can provide full-band test data tested by an authorized
testing organization, alternative test methods can be used to reduce the number
of test frequency points. See Appendix B for details.
5.5.5 Data analysis
If the test results exceed the limit, analysis shall be performed to ensure that
the measured interference is from the ESA rather than background noise.
5.6 ESA narrowband electromagnetic emissions test
5.6.1 General
This method is used to test the narrowband electromagnetic radiation emission
generated by an ESA (for example, a microprocessor-based system). If there
is no other explanation, in the whole frequency range of 30 MHz ~ 1000 MHz,
it shall be carried out in accordance with the method specified in GB/T 18655-
2010.
5.6.2 ESA status
The ESA shall be in normal working condition.
5.6.3 Test field and arrangement
5.6.4 Test requirements
The test shall use an average detector.
5.6.5 Alternative test methods
If the manufacturer can provide full-band test data tested by an authorized
testing organization, alternative test methods can be used to reduce the number
of test frequency points. See Appendix B for details.
5.6.6 Data analysis
If the test results exceed the limit, analysis shall be performed to ensure that
the measured interference is from the ESA rather than background noise.
5.7 ESA immunity to electromagnetic radiation
5.7.1 General
The ESA test can freely choose any of the following methods or combination
methods in the frequency range of 20 MHz ~ 2000 MHz. The general test
conditions are in accordance with GB/T 33014.1-2016.
5.7.2 ESA status
5.7.3 General test requirements
5.7.4 Specific test requirements
5.7.4.1 Absorber lined shielded enclosure method
A test field shall be established in accordance with GB/T 33014.2-2016 using
the “alternative method”, the ESA shall be exposed to the electromagnetic
radiation field generated by the antenna under vertical polarization for immunity
test.
5.7.4.2 TEM cell method
It shall be carried out in accordance with the provisions of GB/T 33014.3-2016.
Depending on the ESA, it can choose to couple the maximum radiation field to
the ESA or wire harness in the TEM cell.
The typical parameters of the TEM cell dimensions are given in Table A.1 of
GB/T 33014.3-2016, where the upper frequency 200 MHz column is a typical
parameter for automotive component test.
5.7.4.3 Bulk current injection method
The immunity test shall be carried out on the test bench in accordance with
GB/T 33014.4-2016 (Road vehicles - Component test methods for
5.7.4.4 150 mm strip line method
Put the ESA-connected wiring harness into the specified field strength to carry
out the immunity test in accordance with the provisions of GB/T 33014.5-2016.
5.7.4.5 800 mm strip line method (applicable to ESA with a maximum size
less than 1/3 of the metal plate spacing)
6 Type inspection
6.1 Whole-vehicle type inspection
Applications for complete vehicle type inspection of electromagnetic
Allowable working
6.2 ESA type inspection
If the ESA passes the electromagnetic emission and immunity test along with
the whole-vehicle, it is no longer necessary for the ESA to carry out a separate
type inspection in accordance with this standard. If ESA manufacturers apply
for ESA type inspections on electromagnetic compatibility, it shall comply with
the relevant provisions of clause 4.The principle of determining the same type
of ESA is as follows.
7 Product consistency
7.1 The consistency of the product is determined by the fact that the product
meets the requirements of clause 4 after testing in accordance with clause 5.
7.2 For the consistency verification of vehicles and ESA extracted from a batch
product, if the vehicle test results do not exceed 4 dB (60%) above the limits
specified in 4.2.1, 4.2.2, 4.3.1, and 4.3.2,
7.3 For the consistency verification of the vehicles extracted from the batch
product, if the vehicle is in the state specified in 5.4 and the test field strength
reaches 80% of the electromagnetic radiation intensity specified in 4.4, when
the vehicle has no performance degradation related to immunity function, it is
considered that the vehicle complies with the requirements of this standard for
electromagnetic radiation immunity.
7.4 For conformance verification of ESA extracted from a batch product, if the
ESA meets the requirements of 4.8, 4.9, the product is deemed to comply with
the requirements of this standard for transient conduction immunity and
transient emissions.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
Tips & Frequently Asked QuestionsQuestion 1: How long will the true-PDF of English version of GB 34660-2017 be delivered?Answer: The full copy PDF of English version of GB 34660-2017 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice. Question 2: Can I share the purchased PDF of GB 34660-2017_English with my colleagues?Answer: Yes. The purchased PDF of GB 34660-2017_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- GB 34660-2017 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds. How to buy and download a true PDF of English version of GB 34660-2017?A step-by-step guide to download PDF of GB 34660-2017_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).
Step 2: Search keyword "GB 34660-2017".
Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart.
Step 4: Select payment option (Via payment agents Stripe or PayPal).
Step 5: Customize Tax Invoice -- Fill up your email etc.
Step 6: Click "Checkout".
Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively.
Step 8: Optional -- Go to download PDF.
Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice.
See screenshots for above steps: Steps 1~3 Steps 4~6 Step 7 Step 8 Step 9
|