|
US$494.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 19216.1-2021: Circuit integrity test for electric cables or optical fiber cables under fire conditions - Part 1: Test method for fire with shock at atemperature of at least 830 ℃ for cables of rated voltage up to and including 0.6/ 1 kV and with an overall diameter exceeding 20 mm
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 19216.1-2021 | English | 494 |
Add to Cart
|
5 days [Need to translate]
|
Circuit integrity test for electric cables or optical fiber cables under fire conditions - Part 1: Test method for fire with shock at atemperature of at least 830 ℃ for cables of rated voltage up to and including 0.6/ 1 kV and with an overall diameter exceeding 20 mm
| Valid |
GB/T 19216.1-2021
|
PDF similar to GB/T 19216.1-2021
Basic data | Standard ID | GB/T 19216.1-2021 (GB/T19216.1-2021) | | Description (Translated English) | Circuit integrity test for electric cables or optical fiber cables under fire conditions - Part 1: Test method for fire with shock at atemperature of at least 830 �� for cables of rated voltage up to and including 0.6/ 1 kV and with an overall diameter exc | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K13 | | Word Count Estimation | 26,295 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 19216.1-2021: Circuit integrity test for electric cables or optical fiber cables under fire conditions - Part 1: Test method for fire with shock at atemperature of at least 830 ℃ for cables of rated voltage up to and including 0.6/ 1 kV and with an overall diameter exceeding 20 mm
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Under flame conditions or optical cable line and cable test Part 1.Flame temperature is not tested 830 ℃ for fire to impose shock vibration, voltage voltage and outer diameter of more than 20 mm.)
ICS 29.060.20
CCSK13
National Standards of People's Republic of China
Line integrity test of cables or optical cables under flame conditions
Part 1.Fire supply with flame temperature not less than 830℃
Apply shock and vibration, rated voltage 0.6/1kV and below
Test method for cables with outer diameter exceeding 20mm
(IEC 60331-1.2018, Testforelectriccablesunderfireconditions-
Circuitintegrity-Part 1.Testmethodforfirewithshockatatemperature
0.6/1.0kVandwithanoveraldiameterexceeding20mm, IDT)
Released on 2021-05-21 and implemented on 2021-12-01
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Table of contents
Foreword Ⅲ
Introduction Ⅴ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Test environment 2
5 Test equipment 2
6 Samples (power cables and control cables with rated voltage 0.6/1kV and below) 8
7 Test procedure (power cable and control cable with rated voltage 0.6/1kV and below) 12
8 Performance requirements (power cables and control cables with rated voltage 0.6/1kV and below) 14
9 Repeat the test procedure 14
10 Test report (power cable and control cable with rated voltage 0.6/1kV and below) 14
11 Cable mark 15
Appendix A (Normative) Verification Procedure for Heat Source 16
Reference 18
Line integrity test of cables or optical cables under flame conditions
Part 1.Fire supply with flame temperature not less than 830℃
Apply shock and vibration, rated voltage 0.6/1kV and below
Test method for cables with outer diameter exceeding 20mm
1 Scope
This document describes the test methods for maintaining the integrity of the circuit when fire-resistant cables are subjected to flame and shock vibration under specified conditions.
This document applies to cables with a rated voltage of 0.6/1kV and below, including metal conductor data and telecommunications with a rated voltage below 80V
Electric cables and optical cables.
This document applies to test cables with an outer diameter greater than 20mm.
Cables with smaller diameters will be tested using the equipment, procedures and requirements of GB/T 19216.2.
This document describes the test failure points, continuity check devices, and test points of power cables and control cables with a rated voltage of 0.6/1kV and below.
Detailed information of the test samples, test procedures and test reports. The metal conductor data and the test failure point and continuity of telecommunications cables and optical cables are not given.
Detailed information about the test equipment, test samples, test procedures and test reports.
Although the scope of application is limited to cables with a rated voltage of 0.6/1kV and below, when the manufacturer and the buyer agree, and are equipped with suitable
After the fuse, it can be applied to cables with a rated voltage of 1.8/3(3.3)kV and below.
Appendix A gives the verification method of the burner and control system used in the test.
When you need to identify the mark, you can choose to mark on the cable to indicate compliance with this document.
Caution. The tests in this document may involve the use of dangerous voltages and temperatures. Appropriate precautions should be taken to prevent possible
Risks of electric shock, burning, fire and explosion, as well as any harmful gases that may be produced.
2 Normative references
The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations
Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
This document.
IEC 60269-3 Low-voltage fuses Part 3.Supplementary requirements for fuses used by unskilled personnel (mainly used for household and class
Similar-purpose fuses) Examples of standardized fuse systems A to F (Low-voltagefuses-Part 3.Supplementaryre-
Requirementsforfusesforusebyunskiledpersons(fusesmainlyforhouseholdandsimilarapplica-
tions)-ExamplesofstandardizedsystemsoffusesAtoF)
IEC 60584-1 Thermocouple Part 1.Thermoelectromotive force specifications and tolerances (Thermocouples-Part 1.EMFspecifica-
tionsandtolerances)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Circuitintegrity
The ability to operate continuously in a specified state when burning under a specified fire source and time.
3.2
Draught-free environment
A space where the test results will not be significantly affected by the local air velocity.
4 Test environment
The test should be carried out in a suitable box with a minimum volume of 20m3 in an air-free environment.
Any harmful gas facilities. There should be sufficient ventilation to maintain the flame during the test. The position of the air inlet and exhaust chimney should be verified
Keep the burner flame stable during the process and test. If necessary, use a windscreen to protect the burner from any airflow.
In order to observe the condition of the cable during the test, an observation window can be installed on the wall of the box. Exhaust smoke should pass through a chimney at least 1m away from the burner
Natural ventilation is achieved. A damper can be used to adjust the ventilation conditions.
Note. Experience shows that a "3m cube" cabinet similar to GB/T 17651.1 is suitable.
At the beginning of each test, the box and the test device should be kept between 10°C and 40°C.
In the process of verification and cable test, the ventilation and barrier conditions in the box should be the same.
5 Test equipment
5.1 Test device
The test device shall consist of the following parts.
a) The test ladder frame for the installation of cables, including the steel frame fixed on the rigid support as described in 5.2;
b) Heat source, horizontally installed belt burner as described in 5.3;
c) The shock and vibration generating device described in 5.4;
d) The test wall is equipped with the thermocouple used to verify the heat source described in Appendix A;
e) The continuity check device described in 5.6;
f) The fuse described in 5.7.
The general layout of the test device is shown in Figure 1, Figure 2 and Figure 3.
5.3.3 Verification of the heat source
The burner and control system shall be verified in accordance with the procedures specified in Appendix A.
5.4 Shock and vibration generating device
The shock vibration generator shall consist of a low carbon steel round bar with a diameter of (25.0±0.1) mm and a length of (600±5) mm. The circle
The rod should rotate freely around an axis parallel to the test ladder frame, and should be located in the same horizontal plane (200 ± 5) mm from the upper edge of the test ladder frame.
The axis shall divide the round bar into two unequal lengths, the longer part is (400 ± 5) mm, and the ladder frame shall be impact tested. The round rod should be
The mass of the body falls from an angle of (6050)° with the horizontal plane, and the impact is at the midpoint of the test ladder frame, as shown in Figures 1 and 3.
5.5 Location of the heat source
The burner should be placed in the test box, and the burner spray surface should be at least.200mm away from the box floor or any mounting plate, and the distance from any box
The body wall is at least 500mm.
Based on the centerline of the test cable, the burner should be positioned at the horizontal distance between the burner's flame surface and the centerline of the test cable
(H±2)mm, the vertical distance between the centerline of the burner flame surface and the centerline of the test cable is (V±2)mm, as shown in Figure 3.
During the test, the H and V values to determine the correct position of the burner should be equal to the H'and V'values determined by the verification procedure in Appendix A.
During the test, the burner should be firmly fixed on the bracket to prevent relative displacement with the sample.
5.6 Continuity check device (power cable and control cable with rated voltage 0.6/1kV and below)
During the test, the current used for continuity check should flow through all conductors of the cable, and the current should be changed by a three-phase star connection.
The transformer or single-phase transformer (group) is provided. The transformer should have sufficient capacity to maintain the test voltage when the maximum allowable leakage current is reached.
Note 1.When determining the rated power of the transformer, pay attention to the characteristics of the fuse.
This current should be obtained by connecting an appropriate load and indicating device (such as a bulb) to each conductor or group of conductors at the other end of the sample.
Note 2.Under the test voltage, the current passing through each conductor or group of conductors is preferably 0.25A.
5.7 Fuse
The fuse used in the test procedure in Chapter 7 shall be DⅡtype 2A in accordance with IEC 60269-3 fuse system A to D.
A circuit breaker with equivalent characteristics can be used instead.
When using a circuit breaker, the equivalent characteristics should be verified according to the characteristic curve shown in IEC 60269-3.
When there is a dispute, the fuse test method should be used.
6 Samples (power cables and control cables with rated voltage 0.6/1kV and below)
6.1 Sample preparation
The length of the cable used for the test should be at least 4.5m, and a piece of finished cable with a length of not less than 1500mm should be taken as a sample.
Each individual sample should consist of a cable, and about 100mm of sheath or outer sheath should be stripped at each end of the cable.
At each end of the sample, each conductor should be properly treated for electrical connection. If there is more than one conductor, they should be exposed separately
Conductors to avoid contact with each other.
6.2 Installation of the sample
6.2.1 Multi-core cables and single-core cables with concentric metal layers
The sample should be bent into a shape similar to the arc in the circumference, and the inner radius of the bend should be the smallest in normal use declared by the manufacturer
7.3 Supplying fire and applying shock and vibration
Ignite the burner and adjust the propane and air flow to the values obtained in the verification procedure in Appendix A.
After igniting the burner, immediately start the shock and vibration generating device, and start the test timer at the same time. 5min±10s after starting and
After that, every 5min±10s, the shock and vibration generating device shall be impact tested on the ladder frame. After each impact, the impact rod should be 20s after the impact
Lift the inside from the test ladder frame.
7.4 Applied voltage
After the test timer starts, the power should be turned on immediately and the voltage should be adjusted to the rated voltage of the cable (the minimum voltage is AC
100V), that is, the test voltage between the conductors should be equal to the rated voltage between the conductors. The test voltage between the conductor and the ground should be equal to the
Rated voltage between ground.
The test shall be carried out continuously for the time given in 8.1, after which the flame shall be extinguished.
8 Performance requirements (power cables and control cables with rated voltage 0.6/1kV and below)
8.1 Fire time
The fire supply time should be specified in the relevant cable product standards. If it is not specified, the time for fire and impact should be selected as
30min, 60min, 90min and 120min.
8.2 Eligibility criteria
In accordance with the test procedures given in Chapter 7, cables that maintain circuit integrity, as long as during the test.
---The voltage is maintained, that is, no fuse is blown or the circuit breaker is disconnected;
---The conductor is not disconnected, that is, none of the bulbs goes out.
Failure of any of the criteria listed shall be considered as the cable test failure.
9 Repeat the test procedure
If the test fails, according to the requirements of the relevant standards, two additional samples should be taken from the same sample to repeat the test. If two samples
If all meet the test requirements, the test shall be deemed qualified.
10 Test report (power cable and control cable with rated voltage 0.6/1kV and below)
The test report should include the following.
a) The number of this document;
b) A complete description of the tested cable;
c) The manufacturer of the cable under test;
d) The test voltage actually applied to the electrical connection specified in paragraphs 7 to 9 of 7.2;
e) Use of any option in the test procedure (i.e. failure detection method);
f) The type and characteristics of the clamp for fixing the cable sample;
g) The actual bending radius of the cable in this test;
h) The temperature monitoring method used in the verification procedure;
i) The mechanism of the test failure point (that is, the voltage is not maintained or the conductor is disconnected);
j) Actual performance requirements (refer to Chapter 8);
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 19216.1-2021_English be delivered?Answer: Upon your order, we will start to translate GB/T 19216.1-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of GB/T 19216.1-2021_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 19216.1-2021_English will be deemed to be sold to your employer/organization who actually pays 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. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.
|