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GB/T 19443-2017: Insulators for overhead lines with a nominal voltage above 1 500 V - Ceramic or glass insulator units for d.c. systems - Definitions, test methods and acceptance criteria
Status: Valid GB/T 19443: Evolution and historical versions
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Insulators for overhead lines with a nominal voltage above 1 500 V - Ceramic or glass insulator units for d.c. systems - Definitions, test methods and acceptance criteria
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GB/T 19443-2017
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Insulators for overhead lines with a nominal voltage above1000V -- Ceramic or glass insulator units for D.C systems -- Definitions, test methods and acceptance criteria
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GB/T 19443-2004
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PDF similar to GB/T 19443-2017
Basic data | Standard ID | GB/T 19443-2017 (GB/T19443-2017) | | Description (Translated English) | Insulators for overhead lines with a nominal voltage above 1 500 V - Ceramic or glass insulator units for d.c. systems - Definitions, test methods and acceptance criteria | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K48 | | Classification of International Standard | 29.080.10 | | Word Count Estimation | 46,460 | | Date of Issue | 2017-11-01 | | Date of Implementation | 2018-05-01 | | Older Standard (superseded by this standard) | GB/T 19443-2004 | | Regulation (derived from) | National Standard Announcement 2017 No. 29 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 19443-2017: Insulators for overhead lines with a nominal voltage above 1 500 V - Ceramic or glass insulator units for d.c. systems - Definitions, test methods and acceptance criteria
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Insulators for overhead lines with a nominal voltage above 1 500 V-Ceramic or glass insulator units for dcsystems-Definitions, test methods and acceptance criteria
ICS 29.080.10
K48
National Standards of People's Republic of China
Replacing GB/T 19443-2004
Overhead lines with nominal voltages higher than 1500V
Insulator DC system with porcelain or glass insulators
String element definition, test methods and acceptance criteria
Insulators for overheadlineswithanominalvoltageabove1500V-
Definitions, testmethodsandacceptancecriteria
(IEC 61325.1995, Insulators for overheadlineswithanominalvoltageabove
Definitions, testmethodsandacceptancecriteria, MOD)
2017-11-01 Release.2018-05-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Directory
Foreword V.
Introduction Ⅶ
1 Scope 1
2 Normative references 1
3 Terms and definitions 2
4 insulator classification and type 3
5 insulation 4
6 DC insulators specified characteristics and features 4
7 insulator logo 4
8 test classification 5
8.1 Type test 5
8.2 Sample Test 5
8.3 one by one test 5
9 Quality Management 6
Type test and sampling test procedure
10.1 type test insulators selection 6
10.2 sampling test insulators with rules and procedures 6
10.3 Sampling Test Repeat Test Procedure 6
11 high voltage test of the general requirements 7
12 Electrical test standard atmospheric conditions and correction factor 7
12.1 Standard Reference Atmospheric Conditions 7
12.2 Correction Factors for Atmospheric Conditions 7
13 Electrical Test Installation Arrangement 7
Lightning impulse voltage test
14.1 General 8
14.2 Test Procedure 8
14.3 Receiving guidelines 8
15 DC dry, wet withstand voltage test 8
15.1 DC dry withstand voltage test 8
15.2 DC Wet withstand voltage test 8
16 SF6 breakdown withstand test 9
16.1 Test Methods 9
16.2 Receiving Guidelines 9
Impact test in air 10
18 Ion Migration Test 10
18.1 Reference Conditions for Calculating Expected Charge Q50 10
18.2 Test Effectiveness 10
18.3 Test Procedure 10
18.4 Receiving Guidelines 12
19 Volume resistivity test 12
19.1 Test Procedure 12
19.2 Receiving guidelines 12
20 Thermal damage test 12
20.1 Test conditions and applied voltage 12
20.2 time 12
20.3 Test Procedure 13
20.4 Receiving Guidelines 13
21 DC artificial contamination withstand voltage test 13
21.1 General 13
21.2 Test Procedure 13
One by one electrical test
23 size check 14
Mechanical and Electrical (mechanical) damage load test 14
24.1 Test Procedure 14
24.2 Receiving Guidelines 14
24.3 Type Test Constant 15
24.4 Sampling Test Constant 15
25 heat engine performance test 15
25.1 Test Procedure 15
25.2 Receiving Guidelines 16
Residual mechanical strength test
26.1 Pre-test
26.2 Preparation of Test Sample 16
26.3 Test Procedure 16
26.4 Test Results 17
26.5 Acceptance Criteria for Type Tests 17
26.6 Acceptance Criteria for Sampling Tests 17
26.7 Comparison of Type Test and Sampling Test Results 17
Inspection of Axial, Radial and Angular Displacements
27.1 Test Procedure 17
27.2 Disk Suspension Insulator Acceptance Guidelines 18
27.3 Long rod insulator acceptance criteria 19
Inspection of locking devices 19
28.1 General 19
28.2 Compliance of locking devices 19
28.3 Checking the locking status 19
28.4 Location of the locking device 19
28.5 Procedures for Operating a Test 19
28.6 Operating Test Acceptance Criteria 20
29 temperature cycle test 20
29.1 Insulator String Components Test Procedure 20
29.2 Special test procedures for insulators of thick sections or extra large insulators 20
29.3 Additional Provisions 21
29.4 Receiving guidelines 21
30 Thermal shock test 21
30.1 Test Procedure 21
30.2 Acceptance criteria 21
Porous test
31.1 Test Procedure 22
31.2 Acceptance criteria 22
Zinc plating test
33 Visual inspection by appearance
33.1 Porcelain insulators 22
33.2 glass insulator 23
34 Mechanical test 23
35 Zinc sleeve test 23
35.1 General Requirements for Zinc Sheaths 23
35.2 Type Test Procedures 23
35.3 Sampling Procedures 23
36 Zinc ring test 23
36.1 General Requirements for Zinc Rings 23
36.2 Type Test and Sampling Test Procedure 24
Insulator test
Appendix A (informative) This standard and IEC 61325.1995 Chapter number control 27
Appendix B (informative) Technical differences between this standard and IEC 61325.1995 and its causes 29
Appendix C (Informative) The main dimensions and characteristics of a typical disc suspension insulator 33
Appendix D (informative) mechanical and electrical (mechanical) failure type test and sampling test comparison method 36
References 37
Figure 1 SF6 breakdown withstand test layout 9
Figure 2 Volume resistivity measurement layout 11
Figure 3 heat engine test program diagram 16
Figure 4 Measurement of axial and radial offset 18
Figure 5 Measurement of angular offset 18
Figure 6 insulation body diameter and maximum thickness 21
Figure 7 zinc ring diagram 24
Figure C.1 35
Table 1 insulator sampling test sample number 6
Table 2 Sample Test Constants 15
Table 3 three operating load range 20
Table 4 Disc Suspension Insulator Test Refer to Table 25
Table A.1 This standard and IEC 61325.1995 subsection number control table 27
Table B.1 This standard and IEC 61325.1995 technical differences and their causes 29
Table C.1 Typical Sizes and Characteristics of Disc Suspension Insulators 33
Table D.1 without repeated testing constant value 36
Table D.2 with repeated tests when the value of 36
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 19443-2004 "insulators for overhead lines with a nominal voltage higher than 1000V for DC systems, porcelain and glass
Definition of glass insulator components, test methods and acceptance criteria ", and GB/T 19443-2004 compared to the main technical changes are as follows.
--- In order to meet the definition of high voltage of IEC 62217.2012, the standard name is changed to "direct current with nominal voltage higher than 1500V
Insulators for overhead power lines ";
--- Due to a clear DC long rod insulator test by both supply and demand with reference to this standard agreement, Chapter 1 deleted the DC long rods
Form insulator test description;
--- To coordinate with GB/T 20642-2006, the term "impact over-voltage breakdown withstand voltage" to "impact breakdown voltage, and repair
Changed the definition. "At the same time, the title of chapter 17 was changed to" air impact breakdown test ";
--- Taking into account the DC engineering practice appears V-shaped suspension with the insulator iron hat electrolytic corrosion phenomenon, in Chapter 6 provides iron cap
Zinc ring should be added. At the same time in 35.1 provides that "the thickness of the zinc sleeve should be not less than 4mm, the exposed part of the length should not be less than 7mm,
And about 50% of the total length of the zinc sheath. "In 36.1 provides that" the insulator iron cap should be provided with a zinc ring, zinc ring and insulation should be between
Seal properly. For suspended suspension used in suspension insulators, zinc ring effective maximum thickness of not less than 2mm. Correct
In non-suspended installation of the disc suspension insulator, zinc ring effective maximum thickness of not less than 6mm, the outer edge of the linear length
Should not be less than 7mm. For long rod insulators, the effective maximum thickness of the zinc ring should be not less than 6mm ", and increase Figure 7 shows
Definition of "effective maximum thickness of zinc ring" and "length of straight edge of outer edge"
--- In order to standardize the operation and determine the results, in 35.2,35.3,36.2, an increase of zinc sleeve, zinc ring size measurement methods and criteria.
--- Chapter 7, in order to coordinate and standardize with JB/T 9683-2012, "IEC 60305 and contained in IEC 60433
Model can also be used "to" use the product model specified in JB/T 9683-2012 ";
--- Chapter 21 modified the DC artificial pollution test salt density, only to provide test data, and delete
Appendix F of GB/T 19443-2004 "Percentage increase of maximum DC artificial pollution resistance voltage of insulators";
--- Chapter 22, the requirements of the porcelain insulator "one by one implementation of high-frequency or frequency spark discharge test" to "one by one implementation of high-frequency and industrial
Frequency spark discharge test ";
--- Chapter 23, due to the ultra-high voltage or UHV engineering insulator string used more insulator, monolithic insulator creepage distance negative bias
Poor accumulation will have a significant impact on the performance of the insulator string, the provisions of the average creeper insulators shall not be less than the nominal creepage
distance;
--- To avoid duplication of text, GB/T 19443-2004 chapters 24 and 25 merged into Chapter 24 of this standard;
--- In Chapter 24, Chapter 25 and Chapter 26, according to our engineering practice, modify the mechanical and electrical (mechanical) damage load test connection
Income constant
--- In Chapter 25, according to our engineering practice, the low temperature of the thermomechanical test was changed from -30 ℃ to -40 ℃;
--- In Chapter 26, according to our engineering practice, to improve the residual mechanical strength test acceptance criteria quality index and requirements;
--- According to our engineering practice, the standard connection marks 28 and 32 operating test value by the note into Table 3;
--- Because of the standard glass insulators have to withstand temperature cycling test, the 29th chapter of the "porcelain insulator" to "insulator."
Taking into account the high alumina cement may not be suitable for experiencing the test temperature exceeds 75 ℃, increase "Note. When the insulator using high-alumina cement
Glue, the test hot water temperature to be maintained below 75 ℃, see GB/T 22709-2008A.2 ";
--- Chapter 31, due to environmental protection requirements, and in accordance with IEC /TC36 standards issued in recent years to coordinate, the porosity test with dye
Materials from 1% of magenta alcohol solution to red or purple 3% methine dye methanol or ethanol solution;
--- Chapter 32 galvanized test, a clear surface exposed should not be visually visible zinc deficiency, and deleted to allow zinc deficiency carried out
Remedial note, and direct reference to JB/T 8177;
--- Coordinated with the existing engineering practice, the visual inspection of the glass insulators in Chapter 33 direct reference to JB/T 9678-2012;
--- Remove GB/T 19443-2004 Table 5 "long rod-shaped porcelain insulator reference table", clear A type insulator test, except
The provisions of this standard, the other test requirements and the number of test products should refer to Table 4 of this standard and by the supply and demand both parties agreement;
--- Appendix C, an increase of three umbrella products and and 530kN, 550kN grade products, according to the rules JB/T 9683-2012
Write insulator model
--- Removed Appendix E "SF6, volume resistance, heat engine and other tests and shaft (diameter), the angular displacement measurement, the maximum thickness of the insulator to determine
Icon ", the figure inserted into the text.
This standard uses redrafted law to amend the use of IEC 61325.1995 "Overhead Line Insulators with a nominal voltage higher than 1000V
DC system with porcelain or glass insulator string components definition, test methods and acceptance criteria. "
This standard compared with IEC 61325.1995, in the standard structure to delete the international standard section number for structural division and
Section title, according to the requirements of GB/T 1.1, in accordance with the provisions of Chapter Code division standard content, Appendix A lists this standard and IEC 61325.
1995 reg number control list.
This standard compared with IEC 61325.1995 there are technical differences, the provisions of these differences have been passed in the outer margin of the page margin
The vertical single line (|) is marked, and Appendix B shows a list of these technical differences and their causes.
This standard proposed by the China Electrical Equipment Industry Association.
This standard by the National Standardization Technical Committee insulator (SAC/TC80) centralized.
This standard was drafted unit. China Electric Power Research Institute, Xi'an High Voltage Electric Research Institute Co., Ltd., the national insulator arrester
Quantity Supervision and Inspection Center, Suzhou Ceramics Co., Ltd., Dalian Ceramics Group Co., Ltd., NGK Tangshan Ceramics Co., Ltd., Southern Power
Network Institute of Science and Technology Co., Ltd., Tsinghua University, Shenzhen Graduate School, Nanjing Electric (Group) Co., Ltd., Yibin, Sichuan Province, Universal
Group Co., Ltd., Zigong Cedeville Tempered Glass Insulator Co., Ltd., Chongqing University.
The main drafters of this standard. Liu Yansheng, Li Qingfeng, Yao Junrui, Hu Wenqi, Dan Peng, Luzhou, Zhang Jijun, Dong Gang, Su Zhiyi, Li Ruihai,
Zhang Fuzeng, Zhao Hui, Wang Liming, Shi Yu Bing, Hu Chuan, He Yong, Jiang Xingliang, Wang Yunpeng.
This standard replaces the standards previously issued as.
--- GB/T 19443-2004.
Introduction
The issuing authority of this document draws attention to the fact that statements in compliance with this document may relate to Chapter 36 of the Zinc Ring-related patents
use. The patent number/patent application number of the three patents are respectively .201310094428.2,.201310094429.7 and.201320134536.3.
The issuing authority of the document has no position regarding the authenticity, validity and scope of the patent. The patent holder has sent this document
The fabric agency pledged that he is willing to negotiate a patent license with any applicant on reasonable and non-discriminatory terms and conditions. The patent
The holder's statement has been filed with the issuing authority of this document. Related information can be obtained through the following contact.
Patent holder name China Southern Power Grid Research Institute Co., Ltd., Tsinghua University, Shenzhen Graduate School
Contact name. Zhang Fuzeng
Address. Yuexiu District, Guangzhou City, Guangdong Dongfeng Road Shuigang Kong on the 8th
Please note that in addition to the above patents, some of the contents of this document may still involve patents. The issuing agencies of this document are not responsible for identifying these specializations
Lee's responsibility.
Overhead lines with nominal voltages higher than 1500V
Insulator DC system with porcelain or glass insulators
String element definition, test methods and acceptance criteria
1 Scope
This standard specifies the characteristics of DC overhead power lines with porcelain or glass insulator string components (hereinafter referred to as insulators), and test this
Conditions and acceptance criteria for the value of these characteristics.
This standard specifies the GB/T 1001.1 similar to the basic characteristics of the test. In order to ensure the long-term performance of DC insulators need to be here
Based on the increase of some experiments. Currently, these additional tests involve only disk-mount insulators.
This standard applies to the nominal voltage higher than 1500V DC overhead power line with insulators.
This standard does not apply to composite insulators.
This standard does not include insulator selection requirements or special tests under specific operating conditions, for example, aging caused by specific operating conditions.
Note 1. This standard does not include radio interference test and insulator group test. These problems and related test methods are described in GB/T 24623-2009,
GB/T 1001.2-2010 discussed.
Note 2. For insulators used in DC traction lines, there are a few other test requirements in addition to the requirements and tests of this standard, see ISO 9001.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 1001.1 Overhead line insulators with nominal voltage higher than 1000V - Part 1. Insulators for ceramic or glass for AC systems
Components --- Definition, test methods and criteria (GB/T 1001.1-2003, IEC 60383-1.1993, MOD)
GB/T 2900.8-2009 Electrotechnical terminology insulators (IEC 60050-471.2007, IDT)
GB/T 4056 insulator string ball socket connection size (GB/T 4056-2008, IEC 60120.1984, IDT)
GB/T 7253 Overhead line insulators for nominal voltages above 1000V AC or ceramic insulator components Discs
Suspension insulator element characteristics (GB/T 7253-2005, IEC 60305.1995, MOD)
GB/T 16927.1-2011 High voltage test techniques - Part 1. General definitions and test requirements (IEC 60060-1.2006,
MOD)
GB/T 19001-2016 Quality Management System Requirements (ISO 9001.2015, IDT)
Impact breakdown test of GB/T 20642 high voltage line insulators in air (GB/T 20642-2006, IEC 61211.2004, MOD)
GB/T 22707-2008 Artificial contamination test for high voltage insulators for DC systems (IEC 61245.1993, MOD)
GB/T 22708-2008 Insulator series components of the heat engine and mechanical properties test (IEC 60575TREd1.0.1977, MOD)
Residual strength after mechanical damage to insulators of overhead line glass and porcelain insulator string components (IEC 60797-2004).
1984, MOD)
GB/T 25317 insulator string element slot connection size (GB/T 25317-2010, IEC 60471.1977, IDT)
Locking pins for ball and socket joints of insulator string components - Dimensions and testing (IEC 60372..1999);
1984, IEC 60372/AM2.2003, MOD)
JB/T 8177 insulator metal annex hot dip galvanized layer general technical conditions
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